Student O x ford Pr imar y Br ia n Mur r a y Book Ma thema tics Year s Programme PY P 1 Oxford It University furthers the scholarship, trademark and of Press is a University’s education Oxford department objective by of of publishing University Press the University excellence in in worldwide. the UK and of Oxford. research, Oxford in is certain a registered other countries. Published Oxford Level © 8, 737 Oxford The rights rights by the You 978 Press the No or on 0 writing or by have of this been 3008, Australia. asserted Oxford terms publication in form University Oxford this any agreed reproduction work the the University in any by Press, with outside may or be or as means, scope form at of and you above must 4 Barbara Typeset Newgen Proofread by Printed China Rebecca by Bakos KnowledgeWorks Pvt. Ltd., Chennai, Hill Leo Paper Products Ltd Acknowledgements Getty/Walker and Walker. Internal: Shutterstock. 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Enquiries to Street, 2019 system, permission by Press Bourke published retrieval law, Australia University moral First All in University a prior by organisation. should be sent above. impose this same To the Ox ford a nd teacher Mathemat ics i ndependent u nder st a nd i ngs, rea l-world clea r, as teacher s to coverage ca n a lso suppor t suppor ted • topics st udent s concept of • t he by to in – a u se. t hat worked oppor t u n it y g u ided for t he f it wel l t he exa mple for a nd problem - solv i ng suppor t i ng W h i le across sk i l ls t he ser ies scope a nd of fer s sequence, w it h ot her PY P c u r r ic u lu m. of st udent s t he to in mater ia ls a rea s of concept, pract ise, sca f fold i ng prac t ice con sol idate d i f ferent f i nd mat hemat ics lea r n i ng ca ref u l Independent to t he prac t ice by ea sy u se feat u res: fol lowed w ill PY P Each topic a nd w it h mat hemat ica l oppor t u n it ies t he Books Gu ided as Teacher s st udent st udent s suppor t of Student • prov ides to wel l contex t s. comprehen sive complete work PY P work – f u r t her t hei r ways, oppor t u n it ies u nder st a nd i ng w it h a decrea si ng of for t he a mou nt sca f fold i ng E x tended to apply in new prac t ice t hei r – lea r n i ng t he oppor t u n it y a nd ex tend for t hei r st udent s u nder st a nd i ng contex t s. Differentiation D i f ferent iat ion t he c u r r ic u lu m relea se at approach teacher s prov ide is to to t hei r of choose act iv it ies ex ten sion. key en su r i ng poi nt t he of St udent appropr iate for st udent s t hat need. ever y In Book s, t he pat hways who st udent add it ion Teacher for requ i re to ca n t he Book s st udent s, ex t ra access g radu a l help a nd suppor t or O x ford Pr imar y Ma thema tics Year s Pro gramme 5 C ontents N U M BE R , Unit 1 PAT T E R N Number and AND F U NCT ION place M E A SU R E M E N T, 2. 3. 4. Place value Addition Addition written strategies strategies mental written strategies Multiplication mental strategies 22 7. Multiplication written strategies 26 8. Factors 9. Divisibility 2. Area 3. Volume 4. Mass 84 strategies and multiples Fractions 1. Comparing 2. Adding 5. Time 88 3. Decimal 4. Percentages 4 72 76 and capacity 80 6 Shape 1. 2D shapes 92 2. 3D shapes 96 32 strategies 40 and and and ordering subtracting fractions fractions fractions Money 7 Geometric reasoning Angles 10 0 decimals 44 Unit Unit perimeter 36 written Financial and 18 1. 1. measurement Length Unit 3 of 1. Unit Unit units 14 6. 2 Using 10 Subtraction Unit 5 6 5. 10. Division S PACE 2 mental Subtraction AND value Unit 1. SH A PE 8 Location and transformation 48 1. Transformations 104 2. Symmetr y 10 8 3. Enlargements 4. Grid 5. Giving 52 56 and nancial Number patterns 2. Number operations 112 references 116 directions 12 0 60 and 1. reductions mathematics plans Patterns and algebra DATA H A N DL I NG Unit Data 64 and properties 68 9 representation 1. Collecting 2. Representing Unit 10 and representing and and interpretation data interpreting data 124 12 8 Chance 1. Chance 2. Chance 132 experiments 13 6 Glossary 140 Answers 150 UNIT 1: TOPIC Place value 1 5 In a on number, its position, 923856 It the also is value or easier makes it of each digit 9 depends 2 6 8 place. to read easier to if we say write the it as 923 856. number: , Guided 1 practice Look at Show the number: value the 38 4. other 7 is on 70 0 place 0 0 0 0 0. value s enO s n eT 0 wor th the s d e r d nu H 0 The digits s d n a s u oh T 7 of 725 s d n a s u oh t n eT s d n a s u oh t d e r d nu H e.g. this 0 grid. Write the using gaps 700 number, if necessar y 000 Remember use a a a zero c d e If we we write use Write 3 2 a as thir t y-two zero to nine b twent y-ve c one in show there are ve no hundred tens: and 32 nine in numerals, 509 digits: a Write thousand, thousand, three hundred thousand hundred and two and and seven for t y- six thousand, seven hundred and one words: a 28 6 0 b 13 4 65 c 28 705 OX FOR D as space-filler. b 2 to U N I V E RSI T Y PR E S S Independent 1 2 What is the practice value e.g. 85 306: a 53 b 48 Write e.g. 80 the red digit in each number ? c 29 207: d 135 28 4: 0 05: e 39 9 517: each 85 of 000 number 306: from eight y- ve question 1 thousand, in 425: words. three hundred and six a b c d e 3 Write eight y- six b one c six hundred hundred and and eight one hundred and twent y- one the 800 U N I V E RSI T Y PR E S S as numerals. thousand, and Circle 25 OX FOR D numbers a d 4 these number that hundred for t y-two ft y- six and 25 two ve is 780 thir t y- one thousand thousand, thousand, one and more 25 three nine than 799 hundred hundred 25 78 9. 25 790 3 5 Expand these numbers. The rst one has been done for you. Remember 14 217: 10 000 + 4000 + 200 + 10 + to use 7 spaces the bet ween digits where necessary. 6 a 25 123: b 63 382: c 6 0 0 4: d 125 381: e 860 0 9 4: Use the 20 digits on 6 7 the to make: 5 the largest b the smallest c the largest d the smallest the + cards 1 a Write 000 number number using number number if number shown 3 if “5” the if on the in the “7” is in “1” each 7 cards. is the is spike ones the in place. hundreds the of thousands abacus as thousands place. place. numerals and in words. b a Hth 4 all 9 Tth Th H T O Hth Tth numeral: numeral: words: words: Th H T O OX FOR D U N I V E RSI T Y PR E S S Extended This 1 practice table shows unusual record - breaking Place Ac tivit y USA Number Spain People salsa Poland People ringing bells Hong People playing percussion Singapore People line Por tugal People making Mexico People doing India Trees USA People England The Kong Complete from the the lowest Number of dogs in a dancing a dog by a scar f walk together 2 241 The in 3 10 1 19 following various 986 adver tising at group the in numbers ever in ways. Write 633 are the same one sign time day line highest 38 together knitted the table number. 322 from actual list by The centimetres) rewriting events the are in 31 17 in number 34 question for 1. They f 10 b 40 000 g 10 0 c 30 0 0 h 12 d 30 0 i 40 0 0 e 10 j 35 50 once: List 10 0 000 many PR E S S nearest people. 1 as U N I V E RSI T Y 000 the 2 of The 5 the ten 12 thousand, actual the number 6 numbers below from low in order, to high. 20 0 6 can 3868 have 1 1 been 967 10 102 rounded each. 000 to order 309 80 Rounded numbers numbers 000 the (in a was OX FOR D 021 instruments together Record 80 together together aerobics column the a human conga longest to on dancing planted number activities. be 000 000 000 000 population made by of using Noosa each in of Queensland these digits 9 that could be the actual population as you can. 5 UNIT 1: TOPIC Addition 2 mental strategies F or $100: What 250 Imagine There you are several However, in Guided 1 You only 3 on a TV quiz strategies 4 show and you could you would seconds could use 250 the is 50 0. Then add = e.g. 252 + 250 250 + 250 = a 150 + 16 0 150 + 150 = b 126 + 126 125 + c 14 0 0 + a 2 Find to 4 seconds come probably up have to answer with to the use a the right question. answer. mental strategy. split the numbers. 20 0 + Fill the gaps. in Problem Expand e.g. 252 20 0 a 66 b 14 0 c 1250 + + could 250 34 + 60 230 + 502. in Fill 252 the + 250: gaps. Now 500 I need add 2 add 10 to: Answer more 502 more 10 0 the + + + 6 + For numbers 2 + 30 40 + example, + + 20 0 + 4 20 0 250 Join 20 0 60 + 30 + 10 0 the + + 252 + the same 20 0 + + 20 0 + 6 + + + 50 + 2 + Answer + 2 = 50 0 4 = 90 + 10 40 + 30 = 30 0 is the 50 jump + strategy 52? on an empt y number + + 2 502 70 a line: What is 105 + + as: par tners 20 0 30 is 23 47 use What for 14 50 could 50. strategy near- double You e.g. use near- doubles Problem You had is 252? practice Double 2 were + 50 + + 8 4? 80 + 4 2 10 5 50 10 0 Answer: b What is 50 + 1 158 + 10 2 52 + = 102 130? c 10 0 6 What is 105 2424 + 115 8 Answer: Answer: + + 84 = 505? + + 2424 1 158 + 130 = Answer: 2424 + 505 = OX FOR D U N I V E RSI T Y PR E S S Independent 1 Another For 74 mental + tosolve practice 19, we strategy can for round adding 19 to is 20 the and compensation say 74 + 20. strategy. Use the It uses rounding compensation strategy these. Using rounding it Now Problem I need to: Answer becomes: 2 3 OX FOR D e.g. 74 + 19 74 + 20 a 56 + 41 56 + 40 = 96 add b 25 + 69 25 + 70 = 95 take c 125 + 62 125 + d 136 + 19 8 136 + e 19 5 + 24 9 f 1238 + 501 g 16 4 5 + 19 9 8 Use the compensation a 35 c 173 e 1451 Use the + + = take 18 5 strategy to solve 19 8 + 14 9 9 jump strategy 125 + 38 = b 16 4 + 47 = c 1 193 d 2585 PR E S S 60 94 99 a U N I V E RSI T Y = + + 8 42 to solve away 1 93 1 away 1 add these. b 24 + 101 d 14 07 + 10 02 f 1562 + 10 0 4 these. = 1321 = 7 4 the split strategy Problem Expand e.g. 125 + 132 10 0 a 173 + 125 b 124 0 + 2130 c 5125 + 123 4 d 7114 + 2365 e 25 6 4 5 8 Practise + + with the + 5 these addition numbers + 10 0 + problems. Join + 2 10 0 the + par tners 10 0 + + Answer + 5 + 2 257 4236 Use your choice you used. + 19 0 of strategy a 713 b 14 9 0 + 14 9 0 = c 20 0 9 + 20 0 9 + d 18 6 4 + 313 4 = e 24 9 9 + 10 02 = f 1236 + 247 g 24 9 9 + 24 9 9 = h 3130 + 236 0 = to nd the answer. Be ready to explain the strategy = 20 0 9 = = OX FOR D U N I V E RSI T Y PR E S S Extended practice Improving help 1 Look by at these underlining World Cehi: the c Mont Blanc: d Mont Maudit: e Mt Everest: f Mt Kosciusko: g Mammoth Circle the The deepest the total of the Mont Blanc c If walked 3700 goes to checkout set: the b Which PR E S S you with of would round 20 a these m, should the km, the numbers m 210 0 or 220 0? 1502 m 150 0 or 16 0 0? 4 8 07 m 4800 or 4 9 0 0? 4 466 m 4 400 or 4 50 0? world 8 8 50 m 8800 or 8 9 0 0? Australia 2228 m 220 0 or 230 0? Europe in the in in Europe world. the and 590 world Cehi 212 600 500 m 50 0 000 600 0 0 0? 20 0 000 30 0 0 0 0? m number or or correct. caves is about m m, 30 m, Mammoth km, shop. calculations. 2191 the in 70 can Rounded information 200 of She 80 300 Cave km, has m $1 1 taller and 800 to than the Mont Wind Maudit. Cave you would km spend. She goes items: 9 9c Calculator: Notebook: dollar, in 3400 bargain Ball: nearest the m, 700 in cave skills Metres mountain cave rounding mental world Krubera lengths in the and numbers. mountain make 3600 about with in mountain longest will m, shopping item the depths the $1.25 To time world mountain highest about $1.9 9 a U N I V E RSI T Y is travelled Sarah Pen how the the four th - longest that b set: the the in tenth - highest highest Cave: m, Paint of cave highest the the 3500 the Show one cave tenth - deepest number have OX FOR D the Cave: you gures. save estimating fac t b Wind and highlighting Krubera: a 3 or a h 2 facts you your how Sarah 4 9c much put Geometr y more back to than be $1 1 closest $1.9 9 set: is $1.9 9 the to a Cuddly toy: Stickers: $1.9 9 $1.29 total? total of $1 1? 9 UNIT 1: TOPIC Addition T 3 written strategies O One of the most common written strategies for addition T O 3 8 2 5 6 3 is 1 3 4 to + 2 5 5 9 Guided 1 2 add the each numbers column Sometimes you out in ver tically. You star t with the ones and + turn. need to trade from one column to the next. practice Complete + set the following. T O H T O H T O Th H T O 2 6 1 3 3 3 7 5 3 6 4 1 2 3 1 4 1 1 2 3 1 2 2 5 + Complete the + + following. Y ou to T O H T O H T O H T trade O with 1 1 + 3 5 7 2 9 Star t with a + d + 10 + the ones H T O 2 4 9 1 3 7 these. 1 1 2 8 1 5 6 and need add b + Tth Th H T O 4 2 7 4 2 3 2 3 7 8 + each column 1 3 9 2 8 6 in Th H T O 3 2 4 6 1 3 7 7 e + 6 6 8 + turn. c 3 2 2 8 6 + 1 5 5 3 7 Hth Tth Th H T O 4 3 4 5 3 6 2 6 5 5 9 5 OX FOR D U N I V E RSI T Y PR E S S Independent Look 1 a + d + g + for in the 3 8 8 7 2 3 9 3 6 2 1 7 1 5 0 7 8 1 9 4 6 5 9 2 4 2 9 8 1 for answers for each 5 3 8 6 9 6 6 2 5 9 b 5 Look 2 pattern 8 j + a practice + linking e + h + save + f 8 9 3 6 2 0 7 7 1 8 1 8 6 5 1 1 4 6 8 2 time in 7 0 6 6 5 2 7 9 1 5 8 9 7 4 3 + 4 + to c 2 k numbers row. written i + l + 7 2 3 9 1 8 6 1 2 8 2 5 8 3 1 6 addition. 2 5 a b c d e 2 7 2 1 4 1 8 4 4 7 5 5 9 3 2 2 1 3 1 2 3 5 1 0 1 2 1 8 2 3 1 9 6 2 2 6 1 3 5 8 9 8 1 8 2 7 9 1 7 0 6 0 9 5 9 8 1 4 2 5 2 6 9 0 Link + 3 On a $ 92 he OX FOR D + holiday, on had presents spent a If b How U N I V E RSI T Y Jack you PR E S S spent and and round much + $213 used the did $29 5 a on on + $207 on travel, enter tainment. He wanted calculator numbers, Jack food, + is spend and found Jack ’s that answer the $ 9 85 to total for his know was Link + hotel, how much $1612. reasonable? altogether ? 11 When you impor tant write to an keep addition the digits problem in the ver tically, correct it T O 4 5 is you don’t, you will get the wrong Rewrite a these 1 14 + problems H T b d 3 7 8 7 + solve 173 + 33 + 927 + H T 38 e 138 c T 739 O + Th 257 H + + Th 2318 T + 8 2 278 Th 5 37 + H 49 T f 6 37 O H + 77 Th + 1452 7 T O + 55 4 O + 3 them. + H g then O + 5 answer. ver tically, 137 4 columns. 4 4 O 1 + If T + 829 H T O + h 35 O 174 Tth + 257 Th + 2318 H T + 624 O + + i 61 28 6 Tth + 4 35 Th + H 24 T + 325 j 579 + 4529 Tth O Th + H 33 + T 65 8 9 + 527 O + + 12 OX FOR D U N I V E RSI T Y PR E S S Extended 1 Find practice four different solutions a to make addition b + 6 A football 20 0 000 correct. c + 6 3 2 this d + 6 3 team can have spectators at more their + 6 3 than Game 3 Possible number home 1 games in a season. 2 Here is some information about one 3 famous football team. 4 • Number • Total of home games: 12. 5 212 • number of spectators: 052. Average 6 attendance per home 7 game: 17 671. 8 • Ever y game had more than 9 10 • 000 No spectators. games number List for the of had game. the 10 same spectators. possible each exactly number Make of sure 11 spectators the total 12 is Total 212 the 3 052. Use numbers Find the make a U N I V E RSI T Y in total of pattern. Working- out OX FOR D the PR E S S grid to help you keep columns. 30 521 Make + 85 three 365 other + 7570 and three - line you will addition see that problems the digits with the in the same answer answer. spac e 13 UNIT 1: TOPIC Subtraction 4 mental strategies Can out Round numbers are easier to work with. you the to 76 – your We 76 could – So, = 76 – say 76 56. We 19 Guided 1 Use = – instead took away of 1 76 too – work answer 19 in head? 19. many, so we add 1 back to the answer. 57 practice the compensation strategy Using (rounding) rounding, to solve these. Fill in the gaps. it Now Problem I need to: Answer becomes: e.g. 76 – 19 76 – 20 = 56 add 1 a 53 – 21 53 – 20 = 33 take away b 85 – 28 85 – 30 = 55 add c 167 – 22 167 – d 14 6 – 19 8 346 – e 1787 f 58 40 g 6178 Splitting 2 – – – take can make (expand) • First take • Next take away • Then take away • So, 479 – the subtraction number away 135 strategy. = Fill : : : 479 – 379 – 349 Expand the – 14 479 – 1 a 257 – b 548 c 5 1 5 = 10 0 + 126 126 = 10 0 + – 224 224 = 765 – 4 42 d 878 – 236 e 999 – 753 are = = = away more For taking example, away: 479 135 – 135 = ? becomes + and 379 349 34 4 34 4 in the gaps. away the Take away Take away Answer number 1st e.g. easier. you Take Problem back 39 9 5 Split split 147 more 310 0 numbers the = 1 39 0 • Use 20 2 back 20 par t + 5 479 – 10 0 = + 6 257 – 10 0 = 379 the 2nd par t the 3rd 379 – = 349 – 349 5 par t = 344 OX FOR D 34 4 U N I V E RSI T Y PR E S S Independent 1 2 3 Use the practice compensation a 47 b 18 4 – 29 c 5 47 – 231 d 2455 – 1219 e 56 67 – 2421 Use – the split b 46 4 – 34 3 c 676 – 25 4 d 5727 – 3325 e 8 958 – 56 35 e.g. – strategy 45 split to solve these — or nd your own sensible shor t cut. 22 a The strategy to solve these — or nd another shor t cut. 24 strategy What is can 900 – be used on an 350? open number a line. Fill What – – 50 – in is the 776 3 – gaps. – 423? – 20 400 300 7 76 550 600 Answer: b What is 900 900 4 87 – – 350 = 550 26 4? – Answer: c What is 776 1659 – 423 – = 5 36? 200 487 Answer: OX FOR D U N I V E RSI T Y PR E S S 4 87 – 26 4 = 16 5 9 Answer: 1659 – 5 36 = 15 $3.75 up $3.80 Another strategy for is to 5c subtraction The $3.80 is to count Tina buys a sandwich She gives a $5 at change, $ 3.75 note. the and for To work up to $4 out up is star ts to the counting-up a a toy c a melon e a game You can also numbers. • 6 Use at up – 57 c 20 0 – 135 e 10 05 a – to to nd the what 16 0 is up 45, is strategy the to difference so the to difference work out the your choice strategies to you $1 if you another way of saying $5 $ 3.75 nd – for item d a calculator at $ 4.45 f a pencil at $2.15 the at each book 20 0 16 0 set and up 20 0 difference to between $1.25. and 150 – 128 d 151 – 1 18 f 250 0 answers to a $10. ordinar y is 155 between – with 155? 20 0 b the = $ 8.75 difference is 45. these numbers. = = 239 0 = these problems. use. – 19 = b 65 c 78 – 21 = d 150 e 1515 f 20 0 0 = is a between the paid 89 1220 That $1.25 a – is is = between = explain $1.25. $5 b nd = of + • strategy strategy change change = 890 mental ready to counting - up counting - up 10 0 Use the and $5 20c $5.35 counted a Be 16 the strategy + $ 3.50 example, 155 I at $ 3.75 $1 $7 .50 use For Altogether 5 at between 20c $5. 5c Use difference $4 $ 3.75. shopkeeper counts another T he 4 to up. is the up – 14 – = 75 – = 1450 = OX FOR D U N I V E RSI T Y PR E S S Extended 1 A 2 The 3 Iva football game difference receives used and 4 What 5 star ts how 4235 Bob, Bill and Bob pays at between $2.45 is than 6 practice 397? Ben $74 6 4 two change much – 1:30 was for the his and 3 - digit after ends at numbers paying with 3:05 is a 57 . note. pm. How What long might Which does the banknote it last? numbers might be? have been spent? Explain buy pm how same car. Bill you model pays got of the car $193 answer. from more different than Bob, dealers. but Bill pays $19 3 less Ben. How much Fill the in do gaps Bill to and Ben show pay three for more their cars? ways to make the subtractions correct. e.g. 6 1 3 – 6 3 6 6 5 3 5 = 7 8 – 5 = 7 8 3 – 5 = 7 8 3 – 5 = 7 8 a b c OX FOR D U N I V E RSI T Y PR E S S 17 UNIT 1: TOPIC Subtraction Some written reminder such as of 54 written subtractions how – 5 it works, strategies involve using trading. MAB and Here is a When small numbers, in 4 a for ones. 10 ten Take 5 away Take ones. write algorithm, 25. Trade you 2 away the you same There aren’t Trade a the trade way. enough ones. ten. tens. That leaves 4 T tens. O Now 4 are 10 ones – 3 Star t (You with 5 4. c annot There take (4 there 1 2 5 2 9 + = 4 14 7 are tens s till and 14 54 That leaves 4 9. ones). The is answer 29. away5ones.) Guided 1 You a practice could T use MAB to b O help H with T 3 – e – i – Subtraction with 7 3 2 4 Th H T O 7 2 7 3 1 1 4 7 – 1 f – Tth Th H T O 8 3 4 1 9 6 1 2 3 2 the trading c O as you H T these algorithms. d O H T O 7 2 5 3 1 8 1 2 7 Th H T O 4 3 6 1 1 2 6 7 Tth Th 4 2 j – – 2 g 3 5 – Th H T O 5 2 5 3 3 7 4 7 H T O 3 7 2 4 5 4 6 5 – l h Th H T O 6 7 7 1 2 7 7 3 Tth Th H T O 7 0 7 3 5 3 7 4 8 8 – k – Hth Tth Th H T O 8 1 3 5 1 8 2 4 5 8 7 9 larger – 18 complete OX FOR D U N I V E RSI T Y PR E S S Independent Practise 1 a 2 trading H T O 4 1 0 8 9 – Once the practice b you e T O 5 0 8 7 6 know how are. T O 1 8 2 1 5 8 7 H T O 8 3 2 2 6 to b – f 6 4 the – for T O 8 1 2 2 6 9 with trading, following. Th H T O 3 7 1 4 1 3 6 9 Th H T O 4 1 patterns H – 8 8 Look c subtract Complete H Th – H Th – subtraction. – numbers a with 1 6 d doesn’t There – the – it c in is a There a is also a Tth Th H T O 1 3 4 6 5 2 3 5 4 Tth Th H T O 6 6 1 3 3 2 1 6 8 9 – d – 4 Use digits 1, 3, using all the digits using all the digits. Find OX FOR D the pattern the U N I V E RSI T Y the 2 e 4 the and 7 . between the 7 2 2 1 8 matter in e – how the H T O 5 6 4 3 2 1 8 7 Th H T O 9 9 3 4 5 8 to 5 - digit H T O 2 6 0 8 1 3 8 5 9 Tth Th H T O 7 7 2 4 1 2 1 6 8 6 Make the largest T O 9 5 3 1 8 8 answers. d – Th H T O 6 1 5 5 1 5 8 8 Th H T O 9 7 5 3 9 8 8 – these H large h g Th smallest 8 Th Tth – O 4 answers b T 3 – 6, and difference PR E S S 2, in H pattern – 3 answers. subtractions. c Tth Th H T O 3 8 9 8 1 5 6 4 8 Tth Th H T O 9 1 2 3 5 2 4 5 6 9 – f – number number two numbers. 19 Rounding 5 you avoid Imagine and get and estimating making you an careless subtract answer 18 9 of can help One 6 mistakes. from 824. If Estimate 913 the and estimate you know so the is wrong. answer Write an exact answer. 900 must algorithm – be and 20 0 = 1 2 4 8 8 1 2 4 9 1 5 2 2 9 5 8 7 1 9 4 1 4 2 0 5 6 9 4 7 7 2 5 8 b ones when are you needed trade, there is nothing there are no That tens in a the next – OR OR column. hundred. leaves 2 1 – so trade a – f – 20 FROM TO Practise 7 H T 2 4 8 8 2 2 4 9 1 5 2 2 9 5 8 6 1 9 4 1 4 2 0 5 6 9 4 7 8 2 5 8 – OR Here’s – what 2 Trade hundreds. That 1 a the 4 trading b O 1 3 4 Th H T O 3 4 0 7 2 5 8 9 7 – the tens – to do: ten. leaves 9 2 9 tens. 1 1 hundreds 1 … Trade … 6 spac e Sometimes but circle algorithm. 6 – … then wrong. the c More is 70 0. – Working- out answer, pair 70 0, around nd correct each the – answer the in you a round algorithm 5 – Now there are 10 tens. Now there are 15 ones. r s t . across H 2 two T 4 columns c O 8 g – – with these H T O 6 0 2 1 7 7 subtractions. d – Tth Th H T O 2 6 0 5 9 1 2 3 8 2 H T O 4 0 6 2 5 8 h – e – H T O 9 0 3 5 3 4 Hth Tth Th H T O 5 3 0 7 7 2 1 4 4 8 4 6 OX FOR D U N I V E RSI T Y PR E S S Extended 1 Follow • practice the be 5 • 5 rules digits take different other 2 write have This table Use the the answer shows the information Football Australian Rugby football Union NFL What is the smallest By how bigger What d 3 The 76 is the If be OX FOR D many than is answer must: great ground to were Ireland 84 8 65 19 5 4 Dublin, Ireland 121 69 6 1970 Melbourne, 10 9 874 20 0 0 Sydney, 102 36 8 19 57 Los Gaelic and the between Football the strategies to between games was dog ground is to of the two the size of about: a its shoulder. 105 4 total world. spac e Australia USA and (NFL) of crowd the Australian correct the 22 Yorkshire measures the Australia Angeles, biggest Football the circle the around crowd? between total events Working- out Dublin, difference mm response. 000 The games? crowds terrier. It two at 23 is only tallest dog high the 000 Rugby Union 24 000 25 000 from shoulder. side difference PR E S S Place 19 61 which its spor ting 55 6 smallest dane, some Year American Hurling the crowd the and at questions. was difference from the table? The world’s of crowd 90 the the the the rounding U N I V E RSI T Y to of in Use the size crowds games they algorithm 9 9 9. difference Irish mm a Each two Hurling c algorithms. the Size Gaelic b subtraction away from Spor t a three digits be • to by in side, their what would heights? 21 UNIT 1: TOPIC Multiplication 6 mental strategies 5 Multiplying by ten 50 12 is 120 13 m 1.3 m easy— but you don’t 7 just 70 3 add a zero. move (If one you same The place a zero length. It is 150 to multiply clearly not 1.3 the m by product 10, of the 1.3 answer m and would be 1.30 m and that’s the 10.) practice Complete 1 30 10 bigger. added Guided × 15 digits the grid. e.g. a T O T 4 b O c T O 7 d T O 8 e T O 6 f H 9 T O 1 4 H T O 1 9 × 10 4 0 Remember, Multiply 2 each of these by the to a 1.5 mo ve 10. m you digits the one left multiply place 1. 4 when by 1 b 2.2 L c 4.5 t d $1.70 e 3.8 cm f 3.6 g $2.75 When multiply 10 0, the t wo places For Th 1 digits to by 3 Multiply by 10 = ? 4 4 10 0. move the left. a 14 b 17 c 13 d 27 e 23 f 45 g 64 h 3.7 i $1.25 example, what 22 you . x ten. 1 m m H 1 is 11 × T O 1 1 0 0 100? m OX FOR D U N I V E RSI T Y PR E S S Independent Once In 5 5 × Fill 1 you × 3 know 30, = in practice 30 15 the is so the 5 × ten trick, same 3 tens as = 15 9 c 8 d 7 multiply can number the problem 6 × 20 6 2 6 × 2 number OX FOR D and it can by or to multiply change it to 5 × by 3 multiples of 10. tens. 150. = tens × = and solve 30 Rewrite 6 × 30 6 × 3 = the 6 × problem 3 and solve tens tens 12 tens = tens tens 6 × = 120 20 = 120 in the gaps. a b c d e 5 12 15 50 40 a then × 8 Strategy 2 16 Double 4 32 Double again 8 64 Double again again. by 8, double three U N I V E RSI T Y Fill 4, double multiply you so it × 2 To tens, use 6 b double tens, Rewrite So, you 3 can 20 12 To you gaps. × a the PR E S S a times. 23 If you It works halve 3 Fill double 6. in like this: This the one number and Imagine would give you the 5 × a 3 × 14 6 b 5 × 18 10 c 3 × 16 d 5 × 22 e 6 × 16 f 4 × 18 is a 10 mental × × 5 a 16 b 18 c 24 d 32 e 48 Use you 24 got 5 × × 3 6 = make multiplication = You 30. could easier. double 5 and 30. Produc t 30 × 9 for multiplying Then choice the a 18 × c 2.5 e 14 × g 13 × i $1.75 of by 5. multiply halve it Multiplication strategy 70 to nd the 14 product. Be × 5 ready = 70 to explain how answer. 10 b 14 × 10 0 d 34 × 10 20 f 150 × 8 h 9 × 40 j 8 × 60 m fac t 10 140 your 10 can 3 strategy by 14 that answer: 5 e.g. know it 7 First × same other, and e.g. Here didn’t the gaps. Problem 4 halve × × 10 10 5 OX FOR D U N I V E RSI T Y PR E S S Extended 1 Use practice the split strategy to multiply by 15. Halve × 15 × 2 12 a 16 b 14 c 20 d 30 e 25 At the 120 beginning of Add the t wo Multiplication to e.g. it 10 nd × 5 60 the year, 120 Dee’s mum + 60 = 180 12 two • spending - money Choice this • 2: “Would rst four four weeks, weeks, Dee weeks, and then so weeks × $10 Mum.” Was this better Dee have Tran is the got if reading reads you like you prefer $10 a for each books for for a his Monday 48 Tuesday 48 Wednesday 48 Thursday 48 for I’ll How for of 48 Saturday 45 Sunday 45 PR E S S next four the take much Choice next year ?” said, Choice 1 would 2? school’s read - a -thon. He writes down to the how many pages week. b U N I V E RSI T Y spac e the the and Use mental pages Friday for the trick $520. taken it rest ten choice? she’d day the is it the a OX FOR D 180 week 10c double double on thanks, he = choices. then remembered “52 3 “Would 15 year ?” Choice • 1: × gave Working- out her fac t answers Tran Explain the strategies reads way during you nd the found total number of week. the answer. 25 UNIT 1: TOPIC Multiplication You can and marking This is work called marked off, out you written multiplication them an 7 off area are on grid model, nding strategies problems by breaking the numbers down by place value paper. because the area of as you the calculate the total number of squares rectangle. 30 6 36 8 8 Guided 7 × 36 8 = 8 = 24 0 × 30 + + 48 = 28 8 8 × practice Would 1 × × 34 = 7 × + 7 the same by = the product be × the if I multiplied ones first? + = 30 4 7 7 2 5 × × 28 30 = = 5 7 × = + 5 × 4 = × + = 20 8 5 5 26 × 20 = 5 × 8 = OX FOR D U N I V E RSI T Y PR E S S 6 Independent Shade 1 6 the × model practice and ll in the blanks to nd the product. 32 = × = + + × 30 2 = 6 2 5 × 35 = × = + + × + × = 3 7 × 48 = × = + = OX FOR D U N I V E RSI T Y PR E S S 27 Guided practice 4 42 × 4 is the same as 2 × 4 and 4 tens × 4, so the × 4 answer is 8 plus multiplication You in If star t turn you to shor t with nd need 16 the the to tens by (16 0). writing ones and You a can make contracted then multiply can do it each a the 4 this. Trade if 4 × 6 c 3 6 4 3 necessar y. b 4 8 1 algorithms. 1 6 product. 1 Complete d 5 × 2 3 e 9 × 9 2 2 × 3 7 It Solve these problems in the same 4 works 2 × 1 2 2 4 2 × 4 6 2 3 3 6 4 × 8 4 2 1 × 2 7 5 3 k 2 5 7 × j 3 4 ones, g 5 i 1 × 1 × h the 3 f 5 3 5 × e 3 28 4 × d at c 5 2 same numbers. way. b 1 the larger Start a 8 × with 2 4 column × 1 1 algorithm. trade, like 4 written 3 you 2 2 × 1 7 3 4 1 2 3 × 2 8 OX FOR D U N I V E RSI T Y PR E S S Independent Once 1 the you understand number each practice is column that in the you shor t are form of multiplying. multiplication, Star t b 6 2 matter ones column and c 3 × the doesn’t 1 4 7 3 2 4 5 1 3 2 2 3 3 1 5 3 × h 8 8 5 2 3 5 Find 2 the product. 7 0 6 3 7 × Look for a 3 a 4 3 4 0 7 in the 7 0 3 7 6 5 9 2 5 × To 3 multiply Complete an these e.g. 1 3 6 5 in the × 4 $ 0 3 7 0 7 × 4 9 i 2 6 9 8 × 4 1 7 money, same 4 way star t as with the the column 4 × of least 2 8 5 7 7 value. example. a b c $ $ $ × $ U N I V E RSI T Y 7 9 7 7 1 of 7 2 $ OX FOR D 9 amount 3 f 9 × 3 7 × h 2 4 9 3 6 7 g 0 answers. × 4 × 4 × e 7 6 c 3 d 3 7 2 5 pattern 7 × 0 5 × b 3 3 j 2 × 2 × 3 i 3 4 g 6 × 2 complete 6 × f 2 big d 4 × e 1 how turn. a 1 at it PR E S S 3 × $ 5 × 6 $ 29 The ten In trick the ten moves When of you ten, are multiplying youneed to by a remember trick , over ever y thing one plac e. multiple 2 3 2 0 6 0 the × Then jus t “tentrick” . multiply 4 Use 4 the a × ten 1 7 2 0 trick to complete b × 1 4 2 0 0 these c × 1 6 3 0 d × 1 6 4 0 e × like by doing in one. You a 2- digit are two split multiplications the multiplying × 3 ) + ( 17 × 2 What 5 Split the number × 3 × the a t wo 1 t wo d, What Make is e is 17 × × × multiply. × 3 the Use separate 24? b What 1 5 2 0 Make t wo 1 paper is 16 to d Make 30 work × 23? multiplic ations. 6 × the 5 1 3 4 0 3 9 1 out the 17 answer s. 24 What t wo is 3 Add = 16 16 × × 23 answers × 1 6 2 0 c What Make t wo 1 0 = 3 91 to 39? multiplic ations. is 19 × 25? multiplic ations. 9 × 5 × 1 9 2 0 the 0 answer s. Add + × 4 total. 0 + 15 nd + 0 Add 0 f. multiplic ations. 4 2 23? to and 5 7 answer s 1 multiplic ations. 15 t wo 1 by. numbers questions 0 tens ) 7 to are 3 1 1 5 There 7 number Add you 2 0 2 is 2. algorithms. ( 17 Multiplying × e Make the answer s. + × 23 What t wo is = 15 19 × 37? multiplic ations. × 25 f What Make t wo is = 19 × 45? multiplic ations. OX FOR D U N I V E RSI T Y PR E S S Extended practice Distance An its aeroplane lifetime. ies This millions table of kilometres shows the other Melbourne airports airport, around in the Australia 651 Bangkok, Thailand 736 3 Australia, Dar win, world. USA 11 Australia Germany need a What b How c If a d A plane If a People can a Olivia c a A plane How OX FOR D in travels PR E S S points one two to of a y from it Chicago distance to and trip km 9 62 km USA 8 870 to to makes Melbourne 30 8 Lumpur, Angeles, nd the South Africa Malaysia 14 619 km 10 326 km 6 36 0 USA km 12 km 76 4 km answers. calculations. return if 16 Honolulu, method your to Istanbul? three eight Dar win does from it return times, and trips how back to far twice Bangkok? does it a for day y? cover ? Johannesburg 50 times, would it kilometres? for the point distances for Melbourne again from ever y to they kilometre Adelaide Monday travel on on that cer tain its passengers business to Friday. How to Melbourne airlines. each many day points y. and does weeks? from How many ies and million from home many U N I V E RSI T Y ies holiday to What a for plane travelled family. How a from offers earn Tran his ies earn Airlines she ies own ABC b does plane back 3 far paper distance weeks. have 2 extra the plane two e is multiplication km 16 Turkey km 993 Scotland Los may km 13 Glasgow, Kuala You 559 314 3 Canada Johannesburg, ef cient km to Istanbul, an km distances Frankfur t, Choose to: Adelaide, Edmonton, 1 Melbourne in Chicago, from from Kuala many points Lumpur points does a does family of he earn four in once a people a month to visit year ? earn by twice a going on Frankfur t? from Melbourne kilometres does it to y Adelaide in one and back day. week? 31 UNIT 1: Factors TOPIC and 8 multiples 1 of A fac tor 2 is A multiple 6 is a a is factor 2 32 number of is that will divide evenly into another a factor every whole number: 4. the multiple Guided 1 a is of result 3 (3 × of 2 multiplying = a number by a whole number: 6). practice Circle the factors of each number. a The factors of 8 are: 1 2 3 4 5 b The factors of 5 are: 1 2 3 4 5 c The factors of 9 are: 1 2 3 4 d The factors of 6 are: 1 2 3 4 e The factors of 2 are: 1 2 f The factors of 4 are: 1 2 3 4 g The factors of 7 are: 1 2 3 4 h The factors of 3 are: 1 2 3 Write the e.g. 10: a 3: b 6: c 9: d 2: e 4: f 8: g 7: h 5: rst 10, ten 20, multiples 30, 40, 50, of each 60, 70, 6 7 8 5 6 7 8 5 6 5 6 9 7 number. 80, 90, 100 OX FOR D U N I V E RSI T Y PR E S S Independent 1 2 3 4 Write the practice factors of each number. a 15 b 16 c 20 d 13 e 14 f 18 Which numbers between a two c three a List b Which number List factors. The of Factors and 30 have exactly: factors? factors? all eight its number ever y 21 2 even that is factors a of b four d six factors? factors? 24. between 30 and 40 has even more are a c more called the The fac tors of 16 are: The fac tors of 20 are: The common same number fac tors factors of 4 are: The factors of 8 are: The common factors The factors of 14 are: The factors of 21 are: U N I V E RSI T Y PR E S S common of 10 and 20 2 4 are: factors The are: OX FOR D one common The 24? number. are than than factor 1 for factors factors b of 4 and 8 are: d of 14 and 21 The factors of 6 are: The factors of 8 are: The common factors The factors of 12 are: The factors of 18 are: The common factors of 6 and of 12 8 and are: 18 are: 33 5 For each row, circle the numbers that are multiples of the red number. e.g. 6 7 a 5 15 21 25 40 50 57 60 65 69 75 85 10 0 b 4 8 12 22 24 26 28 30 34 36 40 42 48 c 8 8 12 16 20 24 30 32 36 44 48 56 60 d 7 14 20 21 27 28 35 37 42 47 49 56 60 e 9 9 12 18 21 24 27 36 39 45 55 63 72 How do a 74 is a multiple of 2? b 48 is a multiple of 3? c 10 01 is not d 5551 is a When List know not numbers the a of 2: Multiples of 3: multiple a of of multiple share multiples Multiples that: 2 the and 10? of same 3 as 2 4 3 6 5? multiples, far as 30. we call Circle Find a common multiple of 4 and 5 between 1 9 Find a common multiple of 2 and 3 between 31 What is the lowest common them the common common multiples. multiples. 6 8 10 34 you multiple and 30. and 4 0. of: a 6 and 9? b 3 and 4? c 5 and 7? d 3 and 5? e 5 and 9? f 4 and 7? OX FOR D U N I V E RSI T Y PR E S S Extended 1 In a practice biscuit they have to a If biscuits 50 50 b 2 factor y, A decide one the What would Circle the were b How c If which for d the Which both 3 4 the options The Bigfoot and colour. Sock a How many b Bigfoot’s U N I V E RSI T Y PR E S S in of and same item. When put each packet. they factors biscuits of four that in of could of could is to 2a three would in donuts it be are ready, will packed. to possible make biscuits all put in each packet? minute. for the 50 machine down be ever y 36 the that biscuits donuts it 50 put the machine 52 one a to make: 90 96 hour ? minute, possible make? of donuts slower Pencil the different number makes ways will number come of be made off the pencils 10 0 could not of can from speeds? Company Company the be number question customers for the hour, ve donuts does to for an 50 batch numbers Pixie options OX FOR D the the Find all of faster at that slowed machine the Pencils a of 30 donuts numbers in another 24 machine lot should sensible numbers many the a makes 16 many ways be a baked Find other machine make how box. show donut a in they socks the accept socks that a that odd could could day. socks an conveyor be go Ever y in a in batches of 9 6. packet. sock is the same size packed? number be belt put of in a socks. pack What from are one the batch? 35 UNIT 1: TOPIC 9 Divisibility 2 is one your factor of half of all the whole 2 of 2 all the 43 is an numbers 29 even a Is b Test 78 ever y three your notice 4 Circle all answer 36 by exactly 10 0 0 the circling divisible 20 01 divisibilit y 425 that the by 2. 2. 123 4 990 2223 1 18 are of are that numbers 12 red exactly divisible 428 appear 340 on this 4: and by ones) 716 of divisible 38 and each by 4. 20 36 3 20, 40 5812. What do you number ? 4. 3 42 page, exactly 18 34 by (tens are 16 32 divisible par t that 14 30 exactly the 4? even 28 426 numbers by 10 26 numbers numbers using divisible 8 24 620 Without 707 6 these the are number 4 about 1 12 5 of that 514 even 22 All is by number. 2 3 fac tors. practice Circle 4 your one even number 18 NOT numbers. divisible 1 of fac tor s. Every Guided is 716 714 410 412 write: a a 3 - digit number that is exactly divisible by 2. b a 3 - digit number that is exactly divisible by 4. c a 4 - digit number that is exactly divisible by 2. d a 4 - digit number that is exactly divisible by 4. OX FOR D U N I V E RSI T Y PR E S S Independent practice There Test to see number divided if can is a way to test for divisibilit y. a be exac tly It can if … Example by: In 2 the number is even 135 so 135 (135 3 the sum the number by of the is digits 792 the 972 792 ÷ is 2 last an = digit even 67 is an even number number. 8 9 6) in In 24 the (6 ÷ In 132, sum of the digits is 2 + 4 = 6. divisible 3 = 2) 3 the last two digits can be the last 2 digits are 32. 4 divided the by 4 number ends in 5 can be 95 ends 78 is divided by 4 (132 ÷ 4 = 3 4) or 5 a 32 in 5 (9 5 ÷ 5 = 19). 0 the number is even and it even and the sum of its digits is 6 is divisible the last by three 3 7 digits a number that can 8 = 15. the by sum is divisible by 3 (78 ÷ 6 = 13). 10 4 8, the last 3 digits are 0 4 8. 48 is be divisible divided 15 are In 8 + by 8 (10 4 8 ÷ 8 = 131). 8 of the digits in the In 15 3, the sum of the digits is 1 + = 17). 5 + 3 = 9. 9 number 10 the is divisible number ends by in a 9 15 3 is 543 210 Use the divisible OX FOR D divisibilit y tester for this ends activit y. Circle 210 the ÷ 9 in a 10 = 54 numbers (15 3 zero ÷ so 9 it is divisible by 10. 321) that are exactly by: a 41 1 b 552 c 71 1 d 888 24 8 24 4 884 e 819 6 93 5 39 252 f 8 02 820 990 10 01 U N I V E RSI T Y by zero (5 4 3 1 divisible PR E S S 207 775 702 4 33 6 30 522 513 751 6 03 37 2 A prime number because Use on 3 the this it is par t a only divisibilit y Numbers 35 can has of a that be have two to by help 1 1 and you and itself. 37 is a prime 37 . circle the only other factors are called prime more than It has 35, and 7 . b 3 and 6? c 4 and 8? d 2 and 3? e 2, 4 and f 3 and 1 1? g 2, 3, 4, 5 How do a It you has 8? by 3 in by: What that are 5 31 it. its is other factors? divisible b It is an by 3? odd Circle one number. answer. c The is 38 6 Circle the number 7 Jack has a How b Would c Explain d How 24 6 it that model could you is divisible cars. He explain by wants to Jack 4. to possible to put your answer to question more cars them would 4 4 46 put that be many numbers. 9? 3. know a divisible 5 4? divisible exactly 1, and is are factors: 2 39 2 four a and number composite numbers 4 question two Which 6 number char t. number. in factors: divided tester 10 0 composite just it in 9 324 them in is possible not groups of groups of to sum of divisible the by 24 42 digits 3. 123 4 4. do that? 3? 7b. Jack need to be able to make groups of 4? OX FOR D U N I V E RSI T Y PR E S S Extended 1 When that it practice a number number. can Circle also the Use For be example, divided 54 the divisible numbers 24 2 is Venn by that 2 by 2 72 and and are another by are 3. divisible 96 diagram 3 number, factors Prove by 48 6, it 2 it of for and 6. which numbers 4 3 4 and by are the 3 and by 44 45 48 72 76 81 92 96 How b Find There is all a 7 . show you the know the is divisible both OX FOR D 4 U N I V E RSI T Y and PR E S S by the that 30 6 is divisible numbers 70 0 special the divisible by 6, following. by 3 Divisible by 4 5 12 8 and that 730 by will that 6? divide is exactly divisible by into 30 6. ever y single - digit number number ? diagram numbers 4, with is of 3. 6 that Divisible are number factors 78 by between Venn some 3, single - digit number What Complete to do a the 4. 20 a if by following divisible both So, divisible to 15 except 5 of also yourself Divisible show is and by 4 Divisible by 5 by 5. 39 UNIT 1: TOPIC Division 10 written strategies Let ’ s One written solve is to are a division split the dividing Guided 1 way Split number by to these 68 ÷ 2 is 60 ÷ 2 = So, 2 ÷ So, 68 = What is 2 is ÷ quotient. 2 is ÷ 2 = 2 = So, to nd the the same as ÷ 2 and ÷ 2 3 ÷ 2 = + = 3 quotient. 2? same b as 60 ÷ 2 84 the = ÷ 2 = = What is and 22 is ÷ 2 ÷ and 8 ÷ 2 = 69 ÷ 3 is 60 ÷ 3 = as 80 ÷ 2 and 4 ÷ 2 122 ÷ = 69 as 2 = What is ÷ 4 145 4 ÷ 2 124 = So, 60 ÷ 3 and 9 ÷ 3 ÷ 124 ÷ as = 4? 10 0 ÷ 4 and 24 ÷ 4 = ÷ 4 What 5 is = is 145 + 145 the ÷ = + as + same and = 3? = = 122 ÷ same 3 10 0 f ÷ ÷ the ÷ 69 = is So, 2? same 3 is the 124 24 2 2 ÷ d + the What So, 2? same 2 2 2 + ÷ ÷ ÷ ÷ is the ÷ 40 numbers 2 122 So, the ÷ ÷ 9 ÷ 84 e 22 nd you = 68 c 84 marbles problem What ÷ 86 practice a 8 to share ÷ 5 = ÷ 5 = ÷ 5 = ÷ = 5? same as ÷ 5 5 + = OX FOR D U N I V E RSI T Y PR E S S Independent practice Ste p Division can be set out in 4 algorithm. “box” shor t You and put split division. it the up. number This Imagine is the in a 42 ÷ 3. This is how it tens split groups called makes of 1 into Ste p three group of the three problem ten tens lef t and for ones. Find the quotient 10 Now ten over. there are works: 12 1 2 Trade 3 1 is 1 an using the shor t division ones. method. 1 4 2 OX FOR D 5 1 6 2 3 6 3 7 2 7 8 4 6 8 4 3 8 7 These problems 1 1 4 4 6 6 6 2 3 U N I V E RSI T Y 2 contain larger 5 8 5 3 8 numbers but you can 9 solve 6 them in the same 6 7 8 5 9 5 7 9 1 way. 8 5 5 6 0 3 6 5 1 2 8 5 0 9 6 3 9 5 4 5 5 8 5 7 7 9 8 6 7 4 6 6 9 0 3 6 4 5 4 8 9 6 3 7 8 7 7 9 1 2 8 9 8 6 6 8 4 PR E S S 41 When There 1 the digit in the aren’tenough of 2. We 1 1 tens star t split with into rst column hundreds 1 1 to cannot make be divided, this 2 groups of what Trade That tens. groups is 2 = 18 5r1 you the into 5 2 Find 3 the 1 2 8 2 write in the the 1 for 18 10 ones. groups 5 9 1 8 ones. of 2 = 9 quotient. 8 Remember ten makes split do. 5 1 1 7 4 3 1 6 2 1 4 4 1 3 6 1 3 2 4 2 6 8 2 7 0 3 9 9 4 6 8 6 2 8 2 6 8 0 3 7 2 2 9 4 5 3 9 5 6 4 4 1 9 8 to digits correct columns. wrong 2 H T 5 9 right O H 11 8 2 T O 5 9 Sometimes 11 8 When using For 4 Find the quotient. this “r” the happens for example, Use “r” number to you you are have a dividing will remainder. not This split can equally. be shown remainder. 13 ÷ show 3 the = 4 r1. remainder. r 4 42 2 5 1 3 3 9 5 6 7 6 2 9 3 9 3 5 7 6 9 1 2 5 6 7 7 2 5 8 2 7 8 2 7 5 2 6 5 2 7 7 9 4 5 4 7 1 9 9 OX FOR D 8 0 U N I V E RSI T Y PR E S S Extended Not 1 the a 2 7 number quotient ÷ ÷ 2 for can 3 we r1, have 9 answers ÷ in 2 these r1 Seven b Two people are c Two sisters share a school, there and shared given are 161 other where what 13 ÷ 2 to = do 6 145 with r1. numbers. necessar y c ÷ in Write the is d the You best 38 6 know way to senior nd ÷ 7 that express nine two marbles. How much children in people. How do many they can each each person have? get? the Class six to answers. 6 remainders. What algorithms situations? between $13. by 3 out real - life a At donuts ÷ work 4 equally remainders 72 to = divided Use b life, = be these. 5 real the 3 ever y 97 In practice Number of classes. students a To nd class, the mean divide number of the (average) total classes. number number The of mean of students students by 3W 25 3/ 4D 26 per the 4M is: 5S b Complete the table to show the actual number that 5/6H could be in each None of the class. Two classes have been lled 6T in. students 4 5 Three people any share a Calculate how b They ask a a share. At a for fair chicken boxes. OX FOR D as Each 30 0 0 U N I V E RSI T Y a prize much List to of the same number of $10 0. money coins eggs hold has class. change the 30 0 0 can classes other bank farm, box other 8 a each the and day dozen should money notes are receive. so that that each packaged. eggs. How they might They many can each have have. are boxes put are into needed eggs? PR E S S 43 UNIT 2: TOPIC Comparing What look does a 1 and ordering fraction fractions A like? fraction of T he is number the the numerator . number is on the on the a can whole be par t thing. top Write the a What fraction fractions in words b 1 1 4 2 is sixth A and quar ter is of the Half blue. beads of the are red. numbers. fraction c What green? is fraction d blue? What is fraction black? one Shade a Shade the shapes. 3 3 b 3 What 4 Shade c of the group group to 3 d 3 is match e Shade 5 the 6 fraction. 2 c 12 5 Shade shaded? 5 b 3 Shade 4 fraction each 2 Shade 8 44 things. 1 2 10 of par t bottom What 1 a group be T he denominator red? one a can practice 1 is fraction of circle Guided A 2 d 5 4 OX FOR D U N I V E RSI T Y PR E S S Independent 1 Write the practice missing fractions on the number lines. a 1 3 5 5 b 9 10 c 1 4 d 3 8 e 1 3 f 4 6 g 0 2 Which fraction 1 a 1 each pair is closer 3 or 4 b ? e or lines in question 1 ? c f 7 i ? 8 7 ? 7 or 2 8 help. ? or 4 1 or 8 to 8 3 ? 3 1 1 or 4 1 or h number 6 5 ? 5 the 1 2 4 7 10 Use or 1 1 10 g 1? 3 or 5 to 1 ? 8 1 d in ? 10 1 3 Which fractions are the same distance along the number line as ? 2 OX FOR D U N I V E RSI T Y PR E S S 45 4 Use the number smallest 4 a 3 , 1, 1 c 9 , 1 3 d 1 2 e , 2 , 5 Use the these order each group from 10 3 , 6 2 3 2 2 , 3 6 , 10 5 3 , 4 , 8 you , 10 3 3 10 help 1 1 , 8 , 8 , 10 , 4 2 1, 10 , 2 to 5 3 , 49 2 5 7 10 page , 5 b on largest 1 , 5 5 to lines , 6 10 symbols number 3 7 4 8 3 1 8 2 5 2 6 3 > (is bigger than), < (is smaller than) or = to complete sentences. a 1 1 4 8 2 5 4 8 b e 3 1 6 2 c f 2 2 3 6 d 9 4 10 5 g 3 6 5 10 h i 6 0 a 1 Circle on the the 6 two fractions number describe the position of the triangle line. 6 6 8 10 8 Circle the and b that 1 6 4 8 and fraction that 3 and describes 2 2 2 3 8 4 how far 4 from 1 the triangle is. 3 c Draw a diamond that is of the way from 0 to 1. 8 7 a Divide b Shade the rectangle into eighths. 2 8 c 46 What other fraction describes the fraction that you have shaded? OX FOR D U N I V E RSI T Y PR E S S Extended practice a the 1 Divide into 2 three b Shade c Write Write equal one two these rectangle par ts. par t. fractions fractions at 1 that the describe correct the place shaded on 1 number 3 c 4 line. 3 b a the par t. 7 d 2 e 4 8 8 0 3 4 1 Write a that bigger b smaller c bigger than a d bigger than ve - sixths e smaller Some so Is true? out on, than and more can nd Number • Fraction: Was the found U N I V E RSI T Y PR E S S this but two -thirds third an it but eighth is than but bigger but larger a than a a half. half. than fold half. a one. twelfth. square of paper in half, then half again, times. fur ther, fraction to a than than smaller impossible eight than but go no smaller smaller times of result quar ter many the • you say How you a than people and it than is: a When OX FOR D fraction can that you write the keep down folds folding the have a piece number split the of of paper folds, paper in then half? open the paper into. folds: as you expected? Write a sentence to say how easy or how dif cult task. 47 UNIT 2: TOPIC Adding Working and with numbers 2 subtracting fractions when you is rst like fractions working star ted with school. 3 A fraction such tells as you the name of What are they c alled? apples 4 the of fraction par ts (denominator) that you denominator have and the number (numerator). 4 name What are they c alled? 4 quar ter s It works same Guided You can just as practice add you fractions do with 1 Fill a 1 c 2 in apple with the ordinar y the quar ter + 2 apples same denominator objects. + 1 quar ter 1 4 4 + 3 apples 2 fths = quar ters b 1 4 = e 48 = quar ter + 2 quar ter s = 3 quar ter s 1 2 3 4 4 4 gaps. 1 fths the for subtraction. 1 1 in way fths eighth + 2 8 d 2 sixths eighths 8 + 3 sixths = eighths 8 = sixths f 3 1 4 4 OX FOR D U N I V E RSI T Y PR E S S Independent 1 Write the practice number sentence. e.g. a + = 1 2 + = 3 + = 4 4 4 + 2 Use two colours 2 e.g. 1 + 4 U N I V E RSI T Y complete the 1 4 5 ✕✕ a c 5 – e = 6 2 = = 8 6 1 sentences. 2 6 = 1 – 3 = 10 – 8 3 PR E S S + subtraction 10 5 5 e = – = 8 2 – 3 4 10 4 9 = + 8 help sentence. 5 3 to number = 3 + 5 c diagrams 10 the 1 a 4 2 b OX FOR D 3 = – 4 5 match 3 3 d to 2 the e.g. diagram = + 3 Use each 6 1 3 shade 2 + 6 d to = 4 2 b – = – = 3 49 If the total comes to more than one 5 whole, you use an improper frac tion ( ) 4 1 or a mixed number (1 3 2 5 1 4 4 4 4 ). 4 4 Write the answer 5 Use the improper fraction and as a mixed 4 = or 8 lines + help you add and Complete the 1 6 6 subtract. 3 3 4 8 4 3 1 = = 4 or 6 2 + 4 = 6 8 to number. 4 1 8 number 3 6 an 4 + 8 5 as – following. Use improper fractions and = 8 8 4 mixed 8 numbers for the addition problems. 3 3 a 5 + or = 4 4 1 3 or 0 50 d 1 2 1 = or f 1 1 2 0 1 2 1 2 = 2 – 3 2 6 0 4 10 1 4 – 6 + = 8 2 = 1 9 7 – 0 5 0 10 2 4 + 5 e 1 8 0 c b = 3 OX FOR D U N I V E RSI T Y PR E S S Extended It practice is possible and to quar ters, same t ype but of one add different rst you fractions, need to such change as halves them to the fractions. whole 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 For example, what is 1 + 2 • On the ? 4 fraction wall, you cansee 2 that 1 is the same size as 4 2 1 • 2 1 to Change 2 1 4 + 4 2 • Now you 1 + have 4 1 Use the fraction wall 2 3 + = 4 4 4 complete these addition 3 = 4 and 1 = 2 the 4 diagrams is to help you problems. the + + = a same 1 as 1 1 + = 6 + 2 is b = 6 6 6 the + = + same as 1 + = + 10 2 Use the fraction + 1 b e 1 PR E S S = 2 h these problems. c 1 3 = f 4 = 2 3 + 8 = 4 1 1 + 2 1 – 4 1 + 4 solve 1 – 1 1 help 1 = 2 + 6 to 10 3 1 = 1 lines = 10 1 + 6 10 + U N I V E RSI T Y number 3 – 5 OX FOR D or 2 = 1 1 3 diagrams 5 10 g wall, 1 3 a d 10 = 8 51 UNIT 2: TOPIC Decimal If you par ts, split split one each is a and Guided 1 par t tenths fractions whole whole par t show fractions one each 3 is a into into tenth. 10 0 as If equal you equal hundredth. and 10 You hundredths par ts, can one as whole one -tenth one - hundredth 1 1 10 10 0 0.1 0.01 1 decimals. practice Write the shaded par t as e.g. a fraction and as a decimal. a b t wo -tenths tenths t wo- hundredths 2 10 0.2 c 2 d Shade the diagrams 0.4 3 Write these to match e the 0.0 4 as 0.15 3 23 b 10 Write a 52 these 0.6 0.7 3 c 10 0 as 0.9 9 decimals. a 4 decimals. 10 0 fractions. b 0.77 c 0.0 8 OX FOR D U N I V E RSI T Y PR E S S Independent A hundredth not be ver y practice of a chocolate much, but would there are one -thousandth even smaller fractions. If you split 1 a hundredth into ten equal par ts, 10 0 0 each 1 Fill par t in is the called a thousandth 0.0 01 gaps. a F our -thousandths a piece would of be 0. of chocolate so small you’ d 10 0 0 need a glass magnifying to see it! four-thousandths b 0. c 0. 10 0 0 10 0 0 one - hundredth 2 Write these and as three -thousandths 125 2 4 87 22 99 f 10 0 0 10 0 0 fraction: a 0.0 05 b 0.255 c 0.101 d 0.035 e 0.9 9 9 f 0.0 0 9 Write this four teen OX FOR D four-thousandths 10 0 0 e 10 0 0 a and c 10 0 0 d as t wo - hundredths 8 b 10 0 0 Write tenth, decimals. a 3 one U N I V E RSI T Y number ones, PR E S S using digits: six-tenths, two - hundredths and seven -thousandths 53 5 Complete these by writing the symbols > (is bigger than), < (is smaller 3 a 0.01 0.0 03 c 10 0 0 0.0 03 0.25 6 e 0.2 0.125 f 10 0 0 0.01 10 0 0 2 g 19 0.02 h 1 i 0.9 9 9 0.19 10 0 0 10 0 0 52 j 999 0.052 k 0.4 30 l 0.0 4 3 0.9 9 9 10 0 0 6 7 54 Fill in the gaps on 10 0 0 these decimal a Count in tenths. b Count in hundredths. c Count in thousandths. Use the number a 0.2 c 0.0 07 e 0.1 lines 0.5 0.0 0 4 0.1 1 =. 10 0 0 125 d or 25 b 0.0 01 than) to 0.1 help 0.2 you 0.9 0.0 0 8 number these 0.4 0.0 02 0.22 order 0.0 01 0.15 lines. from smallest to 0.07 largest b 0.0 4 0.02 d 0.2 0.3 0.02 f 0.5 0.05 0.0 05 0.0 6 0.0 02 0.555 OX FOR D 0.03 0.1 0.055 U N I V E RSI T Y PR E S S Extended 1 Write practice the position of the triangle on each 0.0 6 number line. 0.07 a b 1 2 There are 10 0c in $1. So, one cent is of a dollar. It can also be a decimal? written as $0.01. 10 0 How 3 can Write ve the cents following be written with a with dollar a sign dollar and a sign and decimal: 15 a 25c b 8c c of a dollar of a dollar 10 0 80 d 75c e f 20c 10 0 2 g 1 15c h 2 dollars and of a dollar 10 4 To work 2 out $2.9 0 × 3 . Show on a calculator, you could press seven keys like this: × how it could be done by pressing just six keys: = 5 Some cafés decimal Using nd their prices using just one place. the the show Men u normal cost way of writing money, Coffe e Small : of: Large: a A small b A large coffee coffee and and a large two muf n. fruit scones. Muf ns Small : c A small muf n and and a large two coffee, plain a small Large: A large coffee and one plain scone. (2 Plain: Fruit: e Two and OX FOR D U N I V E RSI T Y PR E S S large two coffees, fruit $2.4 $4.7 scones. Scon es d $3.2 $3.9 one plain per serv e) $3.7 $4.2 scone scones. 55 UNIT 2: TOPIC 4 Percentages The The symbol % stands for per cent. It means amount shaded is: out 1 frac tion of a hundred. It can be a percentage. written Guided 1 Write and 1 % means as a one out fraction, as of a a 10 0 hundred. decimal or as 0.01 decimal 1 % perc entage practice each as a shaded par t as a fraction, as a decimal percentage. 3 F rac t ion F rac t ion F rac t ion Decimal Decimal Decimal Percen t age Percen t age Percen t age F rac t ion F rac t ion F rac t ion Decimal Decimal Decimal Percen t age Percen t age Percen t age 100 2 Shade the grid. Fill the gaps. 20 F rac t ion F rac t ion 10 0 Decimal Decimal Percen t age Percen t age F rac t ion F rac t ion 15% 55 10 0 Decimal Percen t age 56 Decimal 75% Percen t age OX FOR D U N I V E RSI T Y PR E S S Independent 1 Fill in the practice gaps to match the percentages, decimals and fractions. 3 0% 0 1 0.5 0 1 1 10 0 2 Complete the 1 3 table. Write true or false 1 Frac tion Decimal Percentage a 10% = 10 5 a 10 0 b b 0.01 c 0.2 < 1 % 25% c 25 0.75 = 10 0 99 d 10 0 35 d 35% = 10 0 9 e 10 f 7 4 0% e < 75% 10 g 0.1 f 0.9 > 9% 2 h 10 0 2 i 0.3 g > 20% 10 0 j 10 0% h 95% = i 10 0% 0.95 1 k 2 l 4 1 % Compare the fractions this square and of same of shaded. of this this of of this this U N I V E RSI T Y PR E S S same % the is the is amount this % the square of same square. as same shaded. the as amount Shade OX FOR D square. shaded. c is square same is 1 amount Shade b is the 2 2 is 1 percentages. Shade 1 a > the same square. as % 57 5 Order each row from smallest to largest b 2 a 0.03 0.05 6% 0.5 20% 10 0 c 1 55 2 10 0 1 5% d 4 0% 11 3 e 70% f 0.07 10% Follow the instructions to 0.01 10 0 4 6 0.0 4 4 colour these circles. 30 30% red, 0.4 blue, yellow 10 0 7 Write a 8 the fraction decimal, Follow the as a of triangles fraction instructions and to that as a colour are green as percentage. these diamonds. 30 4 0% red, 20% blue, yellow, 5% green, 5% white 10 0 9 There are Colour 10 20 them red, 25% a Choose beads. Write of a the as a on way 25% to the white as a the string. percentages: blue, Leave beads and 58 these 50% b beads yellow. colour rest par t of of fraction, 25% the the as a of these beads white. string decimal percentage. OX FOR D U N I V E RSI T Y PR E S S Extended 1 If practice someone Complete offers the you table to 50% show of their what Item apple, you it’s would the get Percentage same if you as offering were a offered Frac tion half. these items. Number of fered 2 a Box b Pack c Tin d Bag In some a of c 3 You 80 of donuts 50 cut a second If Sally of the If Sally of the need a a asked asked rst new c Click d Double - click e Choose f Look g Take a a and for shor t on string of and the than Sally length 10 0%. said of she the needed rst one, piece long long that would piece it it percentages You 10 0% of the length 20 0% of the length be? that would Word. was was be? to change will need a the size of computer drawings for the in next a computer activit y. le. on to more autoshapes draw the a (PC) or basic shapes (Mac). shape. shape so that you can format (change) it. Size the note size of Word drag of have 50% four th how shape to be? Microsoft Choose a a as was another knowledge such piece how for one, b a it for 1 % possible that one, Open Write is 1- metre a the it would rst 25% marbles piece long 10% cookies situations you 50% pencils 10 0 0 If program OX FOR D of of how b 20 of of Scale what the repor t icon and change happened. 10 0% Experiment to to 120%. see Then how you click can OK double shape. about the way that entering different percentages can change shape. U N I V E RSI T Y PR E S S 59 UNIT 3: TOPIC Financial Year buy 5 want fruit, plans to cut raise it up money and Friday” . They want fruit more than for 1 to it sell for 10 0 make costs a an end - of-year fruit salads prot. to buy This at par t y. a stall means They on that decide “Fruit they Salad sell the it. T he Guided to less the fruit profit 1 Look take 2 3 If it costs to prepare practice at at the the the fruit sign. stall much a $10 0? Year 5 How much a 1 they $150 prot will much sell to to cut would of each it 10 0 buy, they up money all will fruit Year make b decide kg if costs How How if 5 cost if fruits not cost make of the they any fruit c into will more make. 5 $75? ve they the salads? will the Year salad, the fruit prot. is: $50? d $25? salads. bought: fruit? Ba Ora Gra p b 2 kg of each 50 0 g of each $2 4 5 Flora’s a 60 of Fruit What if 5 kg Year fruit? Shop offers 5 $3 be bought $ a the 10 10% total kg of discount before each fruit? What would be the discount? c What would be the new Year 5 bought 5 kg of each if price b If s kg kg fruit? each would na kg Ap ar s Pe d na es es fruit? $1 0 c ng price fruit, of the how Year 5 buy 0 2.5 10 kg of p le $4 kg each s kg fruit. discount fruit? much prot would they make? OX FOR D U N I V E RSI T Y PR E S S Independent 1 Year 5 $10 0. 2 practice want If to they Year 5 need a Circle make buy to 3 How Flora’s any of the a much Fruit kg spend 50% b 5 a of of each less on at the send fruit. a kg the of $50, how that quar ter 2.5 least fruit, following does Shop prot much They half along they over decide describe 2.5 kg don’t their to of 0.5 grapes fruit, so want budget buy only grapes Write t ype b of Write all c the for 2.5 more than they? kg of compared grapes. to 5 kg apples: 25% cost? with an invoice to show how much Year 5 owe. Fruits each Description Quantit y Price per Apples 5 kg $ 4.0 0 Pears 5 kg $1 .50 Oranges 5 kg $ 3.0 0 Bananas 5 kg $2.0 0 Grapes 2.5 kg Cos t fruit. the the Year cost spend are 0.75 Flora’s a to total price $20.0 0 of fruit. 5 can discount. amount get Fill of a in the 10% the kg $10.0 0 discount. Total: d Write the 10% new discounted discount How 5 The and much under students either cups. their need 10 0 Calculate to $10 0 buy plastic the you pay by tomorrow. Discount: total. Discounted 4 if budget 10 0 bowls price for will plastic or 10 0 each Year spoons plastic total: 5 be after buying Cu ps for the $1 6 .5 fruit? 0 10 0 option. w ls Bo Working- out for spac e Sp oo ns for OX FOR D U N I V E RSI T Y PR E S S $5 $2 2.0 0 0 10 .5 0 10 0 61 Pete’s GST (Goods and Ser vices Tax) Item a tax that has purchases. cost is A be paid for percentage added percentage to to can the of price. Plastic s is Quantit y Unit the The Spoons 10 0 5c Cups 10 0 15c price of On class Fruit 10%. total 7 Fill on the 5 in the Friday, GST and GST cups. to amount and Pete’s Item show have bought what the looked like 10 0 10 0 $20.0 0 (10%) was Plastic s Quantit y Unit price Spoons 10 0 5c Bowls 10 0 20c if Total price of Cost goods spoons GST and $15.0 0 Total: receipt. would had spoons the gaps receipt Year used Salad Fill $5.0 0 goods GST The Cost change. Total 6 price some (10%) bowls. Total: 8 Two furniture without Fill Ch in the air p lu GST. $2 The are selling the same other shows the price amounts see which Ta b T p lu Furniture Item to 0 GS s shops Quantit y le s shop tables and including has the better price Ch T $ price 1 $120.0 0 Chairs 4 $20.0 0 of for a table Cos t the Item and four chairs. Ta b le $1 30 Quantit y For You Unit price Table 1 $130.0 0 Chairs 4 $21.50 goods Total price of Cos t goods (including GST price .5 0 21 Furniture Table Price shows air World Unit One GST. $1 20 GS chairs. GST ) (10%) Total: 9 Both shops What a 62 is the have an new price Furniture end - of-year World: for a sale. table and They four offer chairs b 10% at off each the nal prices. shop? Furniture For You: OX FOR D U N I V E RSI T Y PR E S S Extended A 1 practice receipt Circle for the a restaurant price of the meal meal shows before $80 a price 10% GST $ 82 of $ 9 0.20, was including GST. added. $ 8 0.20 $ 82.20 10 If 2 GST is 10%, the price before the tax was added is of the nal price. 11 You see that this • $1 1.0 0 ÷ 1 1 • $10.0 0 + 10% If the You for 3 can will the Not costs need next all work a meal In true $1.0 0. GST to a by using $1.0 0 = $22.0 0, access × a 10 nal = $10.0 0 the cells Click of for $1 1 the for a meal meal: before GST. $1 1.0 0 what is the computer price and a before program divide amounts A1, B1 easily easily. and C1 by 1 1. You Follow can these on Formula cell B2 Bar. If and you GST? such as Microsoft Excel Bar, click then don’t on a spreadsheet in a new (such Excel as Excel) to workbook. t ype: on see View Full the pric e Be for e GST GST amount GST amount B2 A the 1 Formula use steps 1 b price activit y. amounts out = is Full B pric e Be fore C GST D and 2 then on Formula Bar … Click and here here 10 c To tell the computer to nd of Type 11 the price, t ype in the Formula here Bar: A 2 /11*10 =A 2 /1 1*10. ( This formula tells the A computer to divide cell 1 1 the amount in 1 Full B pric e Be fore 2 by 4 OX FOR D A2 and then multiply GST Press e Click f Press Calculate PR E S S D amount = A 2 /11*10 it 10.) d U N I V E RSI T Y by C GST It will also appear here Return on cell A2 Return, the GST and and enter the full watch the price amount and enter it price as before into the $ 9 9.9 9. GST GST appear column in cell on B2. the spreadsheet. 63 UNIT 4: TOPIC Number 1 patterns 1, 6, We use number patterns ever y day. You probably 2, 7, 3, 8 , 4, 9, 5, 10. learned Coming, your rst number pattern before you star ted school. ready Guided 1 The or not! practice rule for Continue this the number pattern is: 3 5 The numbers increase by two each time each pattern pattern. Position Number 2 Find the using rule, the 1 then words continue increase each or number pattern. Write a rule for decrease a Position Number 10 0 98 96 94 Rule: b Position 1 1 1 Number 1 2 2 Rule: 3 There in are these • two 1: even, Rule and If If you then the the you 2: odd, Follow Number 10 Is Yes it even? number It takes divide the you by 64 to ÷ 2 away divide rules Answer 5 Is No it even? the in get 1, ÷ 2 Answer 2 Is Yes ÷ 2 is it even? ÷ 2 1 by 2. Answer 1 Is No it even? – 1, to 0 0 table. steps to question to – 2. number take two four numbers take 15 is Answer complete 4 12 rules patterns. Rule • different zero if get 3. to zero How the for many star ting the star ting steps number does is: a 8? b 25? it OX FOR D U N I V E RSI T Y PR E S S Independent 1 Read a the practice rule Star t at to 5 complete and each increase by table. 4 each time. Term 8 Number b Star t at 9 10 5 10. Decrease by 0.5 each time. Term Number 2 Continue a 0, 1 rules can be for the rst ten terms. 0.6, Write a rule for each pattern. Rule: 1 , 2 2 The 9.5 patterns 0.4, 1 , 4 3 these 0.2, 3 b 10 , 3, Rule: 4 for question shown in a 3 on page 68 This 4 diagram. the diagram rules to shows take these St ar ting St ar t w ith new rules. Follow numbers a 50 b 125 to zero. a numb er multiple Using a Is it 18 of 5 as star ting number, the D oe s it even? steps that follow the rules are: 18 2 end – (9 Is it ÷ – 1) = ÷ 5 then ÷ in 5? 2 ÷ 2 9 2 = 4 NO zero? 4 ÷ 2 = 2 2 ÷ 2 = 1 Is it NO zero? Y ES (1 – 1) ÷ 2 = 0 Y ES STOP STOP Write OX FOR D the steps U N I V E RSI T Y PR E S S that take 22 to zero. 65 5 Number with Pat tern patterns sticks. of Fill in can help the gaps. sticks in creating shape patterns. Rule for making the pat tern Star t e.g. the for with sticks. number each of new These How patterns many s ticks are are made needed? Increase sticks by 3 Number triangle. of sticks 3 6 9 12 1 2 3 4 1 2 3 4 1 2 3 4 a Star t the with 4 number by sticks. of for Increase Number of diamonds sticks each new Number of sticks diamond. b Star t with Increase sticks sticks. the number by for Number hexagons of each Number new of of sticks hexagon. c Star t with Increase sticks sticks. the number by for Number of pentagons of each Number new 6 These the Pat tern stick patterns number of of sticks sticks are for made each in a different way. Complete Star t the for sticks the rule and write term. Rule for making the pat tern e.g. of pentagon. with sticks. number each of new How many s ticks are needed? Increase sticks 3 4 by Number triangle. of sticks 3 5 7 9 1 2 3 4 2 3 4 a Star t the with 4 number sticks. Increase of sticks for each Number of squares by new Number of sticks 4 square. b Star t with sticks. of Number Increase sticks the by 7 How many 10th term sticks would be new hexagons 1 number for Number each of of sticks 6 hexagon. needed at the Squares: in 66 for question the 6? squares and hexagons Hexagons: OX FOR D U N I V E RSI T Y PR E S S Extended 1 practice Imagine that adver tising have a likely to Number No you work leaets Junk accept in Mail junk for a an adver tising town sign. with 10 0 0 This table company. houses. gives Your She boss knows information wants that about you some whether to deliver houses the will houses are mail. of 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 yes yes yes yes no yes yes yes yes no yes yes yes yes no houses Junk mail a OK? Circle that 5 2 the do out not of 5 1 junk out of out of 10 c How many out of 10 0 d How many out of 10 0 0 e How many leaets A toy company table rst shows ten cars Number of wheels company How many a 25 The toy They of a does the not that cars PR E S S to need not need for toy are be the same needed 10 0 not pattern. 5 1 junk want not The number of houses out of 4 1 out of 2 mail? junk want mail? junk mail? deliver ? cars. Each needed to extra wheel for be ordered 10 0 number for car the has four cars. wheels. Complete the table for of cars ever y 10 0 0 cars? week. for: cars? needs b to of want would it to out would wheels make would an the pattern. decides get do houses you describes 4 wheels b company 5 houses many cars? wheels U N I V E RSI T Y of wheels decide 50 how that is: houses will ordering terms of The is rule mail many Number OX FOR D accept the How the 4 for b This 3 ending have c 250 extra wheels ever y 25th car. cars? in case d some Re - calculate the get lost. number for: cars c 350 cars d 1250 cars 67 UNIT 4: TOPIC Number operations Working with of things doing Changing 2 the number does order of and sentences not properties is a bit matter— and put ting on c lothes like putting sometimes it on your clothes. then right right, then lef t or … … Changing Sock then Shoe shoe … sock… the number s order then Addition Subtrac tion 3 3 + 2 1 Tr y 2 = ? – 2 = ? 3 = ? ✓ or + 3 = ✓ ? 2 – ✘ practice changing the number order with each operation. Addition Subtrac tion Number Change Same Number Change Same sentence the order answer? sentence the answer? e.g. 3 2 3 Yes e.g. 3 2 a 14 + 2 a 14 – 2 b 20 + 12 = ? b 20 – 12 = ? c 15 + 10 = ? c 15 – 10 = ? + 2 = ? = + = ? ? Multiplication – 2 = ? = – order 3 = ? No ? Division Number Change Same Number Change Same sentence the order answer? sentence the order answer? e.g. 3 2 3 Yes e.g. 3 2 3 No a 14 × 2 a 14 ÷ 2 b 20 × 12 = ? b 20 ÷ 12 = ? c 15 × 10 = ? c 15 ÷ 10 = ? × 2 = ? = × = ? ? ÷ 2 = ? = ÷ Complete these = ? ? Can 2 sentences. you see addition ho w and multiplication a The answer numbers b 68 order … or Guided the does! of Lef t Sometimes is for the same addition The answer is the numbers not if you change the and the same order of are the connected? . if you change the order of for . OX FOR D U N I V E RSI T Y PR E S S Independent 1 Changing into 2 an order order that of will 17 + 18 + 3 = ? a 15 + 17 + 5 = ? b 23 + 19 + 7 = ? c 5 × 14 × 2 d 4 × 13 × 25 If there a are it matter number rst? you Find number If there out are a = + 3 problems + 18 = 38 calculations. Put these easily. (17 + 3 = 20, then add 18) ? a 25 – 10 – 5 = , 25 – 5 – 10 = b 36 – 12 – 6 = , 36 – 6 – 12 = c 28 – 15 – 8 = , 28 – 8 – 15 = a 16 ÷ 2 ÷ 4 = , 16 ÷ 4 ÷ 2 = b 36 ÷ 6 ÷ 2 = , 36 ÷ 2 ÷ 6 = c 72 ÷ 2 ÷ 9 = , 72 ÷ 9 ÷ 2 = problem, these and it matter you divide with sentences. subtraction one are “undoes” Addition OX FOR D 17 mental numbers out number how to the with division Find Addition solve help three number rst? to Change sentences. does Show you can ? with problem, these help numbers subtract in by the which numbers which = three subtraction does 4 the e.g. in 3 practice and connected. the other by Multiplication completing and these subtrac tion division are connected. tables. Multiplication and division Addition Subtrac tion Multiplication Division sentence sentence sentence sentence e.g. 17 + 8 25 3 15 a 14 + 12 = 9 × 8 = b 35 + 15 = 25 × 4 = c 22 + 18 = 15 × 10 d 19 + 11 = 20 × 6 U N I V E RSI T Y PR E S S = 25 – 8 = 17 × 5 = 15 ÷ 5 = 3 = = 69 2 An equation The 5 par ts Complete is a number balance these each sentence × = 2 + = 14 6 ÷ 3 + 7 can use Which = 7 + equations of the 2 8 9 70 = 2 3 + 6 16 ÷ = 2 4 × 9 h × Which of Which of 4 = × 15 Find the to 60 ÷ × 3 these is not three × 4 different e.g. 2 × 3 a 5 + 20 b 50 ÷ 2 c 72 – 25 d 6 × 2 e 3 + 23 f 40 ÷ × 5 + × 5 would × would 6 ÷ = 2 2 × × = 2 ÷ 2 2 not 12 ÷ = 60 ÷ 2 2 ÷ 60 × 6 = 30 ÷ 3 60 ÷ 5 36 0 ÷ 10 10 0 ÷ + 5? 5 balance + 5 simpler. balance 5 following 20 calculation 5 2 15 – make ÷ i 6 following ÷ 2 f 40 g 2 + c e – 4 = equations. d 7 3 b 4 6 × par ts. other. a You in 17 + ÷ 60 ÷ 2 ÷ 2 19? 12 56 – 20 = 4 correct? 4 + ways 15 to = 15 + balance 60 ÷ 2 4 the 15 rst + par t 5 4 of + the 15 + + 15 15 ÷ 4 = 4 ÷ 15 equation. 10 100 – 50 – 20 8 10 + 12 ÷ 2 OX FOR D U N I V E RSI T Y PR E S S Extended So that we properly, practice solve we use mathematic problems Brackets this operations: Division order of rst. and Addition 1 Write the pairs of Look for pair answers number that the is to these easier to in and subtrac tion second. last. Problem 1 Problem 2 Problem 1 Problem 2 a sentences. problem multiplication b each c solve. d 2 These pairs sentences the of number look answers similar, are but a different. b c d 3 Explain 4 When so His b 5 OX FOR D ten much U N I V E RSI T Y a $1 did word at a stor y PR E S S the sorr y he the 4 + He for problem him 5 is things different need four and the answer to be done is an example: Here coins to at doubled play time the in the (so amount to + right he he (4 × 5. order had had 3) $6). lef t ($6 × 2). ($12) we could will sentence this × answer. lost calculation suit 3 correct have? number to to problem, coins. following Write Write a felt solve the answer arrive mother To the read you had How a you that Tran why not that number write give would a number the right solve sentence: (12 answer: the + 6) sentence. 10 problem ÷ However, – 4 × 2. doing Why? correctly. 3 71 UNIT 5: Length When TOPIC and you are 1 perimeter measuring, it is impor tant to be as accurate 0 1 2 3 4 5 6 7 8 cm as possible. Guided 1 2 The length of this pencil is not 8 cm. practice pencil above Circle the best Write the length e.g. 0 The 6 1 is more estimate of each than for its red 8 cm. actual line length: above 9 10 cm 1 1 3 4 5 6 7 0 8 1 2 3 4 1 2 Write 3 4 the length with a decimal. e.g. 5 cm 1 5 6 7 8 0 1 2 3 4 6 7 8 5 6 7 8 2 2 of mm 3 the or 4 cm red 5. 2 5 lines in centimetres cm 6 and a 7 8 0 millimetres, and 7 or 1 cm 1 mm 2 3 in 4 cm centimetres 5 6 7 8 cm b c 0 0 5 c cm 0 cm cm b 3 12 a cm 0 cm it. cm 2 cm 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 8 cm cm 4 Use a ruler to measure these lines. Write the lengths as you did in question 3. a b c 72 OX FOR D U N I V E RSI T Y PR E S S T here quicker Independent practice find 2 The total is cm 2 so the length + 1.5 of cm perimeter all the sides of + cm + 2 cm is 7 cm. 1.5 the = You (= 2 could 3.5 nd cm) the and perimeter then doubling Calculate the perimeters ( They not drawn are to of of to the 7 1.5 cm, rectangle get these to cm cm 1.5 the above answer rectangles (= by 7 adding cm). without 2 cm Explain using cm cm a and 1.5 cm why. ruler. b c cm 4 3 way perimeter. scale.) a 6 a rectangle 2 1 a is cm 5 cm 2 cm cm 3 cm 3 a How to b 4 Find the perimeter of each Perimeter Number OX FOR D U N I V E RSI T Y PR E S S of lines many nd What 2D the is lines perimeter the shape. of of perimeter How Perimeter Number would lines many you need to this square? measure of the square? lines did you need Perimeter Number of lines to measure? Perimeter Number of lines 73 In this and topic, millimetres Metres Use you the and have as used units kilometres information to of centimetres • = length. can also complete be these 5 • = • = used. length conversion 7 10 cm × mm 1 cm a 2 cm a b 7 cm b 3 m c 7 m 90 d 3 5 × cm mm e.g. mm cm 1 m d 10 0 0 km ÷ 10 0 e.g. c 10 0 m ÷ 10 10 km tables. 6 × 1 m ÷ 10 0 0 100 cm e.g. 1 km 20 0 cm a 2 km 50 0 cm 1000 m b 4000 m c 550 0 0 d 9 5 km e 8 5 km m 1 e You For 8 9 75 can use different example, Which a pencil two units e units could of The length of a c The length of an Find the in perimeters centimetres Perimeter : of length be to would pencil of 9 m 2 measure described length a and 74 mm as you 9 the cm use for long eraser with a shapes. Write or object. 90 mm long. these? sharpener these same the b The height of a door d The length of a road answer in millimetres, decimal. Perimeter : Perimeter : Perimeter : mm mm mm mm cm cm cm cm OX FOR D U N I V E RSI T Y PR E S S Extended There 1 practice is a special right- angled triangle called a “3, 4, 5” triangle, 4 because with It the sides doesn’t sides in are those matter always in propor tions if the unit of that propor tion. always has a A right measurement is 5 triangle angle in it. centimetres, metres, 3 millimetres On a triangle. m by Draw 2 of even separate numbers. 3 or a You With 4 m piece of could star t your by square exactly 10 kilometres. 5 paper, draw with teacher’s a 3 triangles cm by permission, 4 whose cm you by 5 could sides cm are multiples triangle draw a and triangle of then a “3, “6, 4, 8, 5” 10” measuring m. that has a perimeter cm. 1 1 Audrey 3 has a pencil that is 14 14 cm long. Write 2 cm the 2 length 4 as a This b Write Write 5 in They the are many line is the different 3.2 total cm not drawn long. length perimeters of to ways of as you Increase the these line the in regular can. length two by 12.3 different shapes in two cm. ways. ways. scale. 3.5 3. 3 2.4 1.9 2.1 cm cm cm Perimeter : OX FOR D cm cm Perimeter : Perimeter : Perimeter : Perimeter : mm mm mm mm mm cm cm cm cm cm U N I V E RSI T Y PR E S S 75 UNIT 5: TOPIC 2 Area 2 we usually measure area in square centimetres (cm 2 be measured in square millimetres (mm Area is always measured Guided in practice squares. 1 The shapes Write the have square centimetres drawn on them. areas. 2 a Area = cm e.g. b Area = 2 cm 2 Area = c Area = 2 Write 11 cm 2 the 2 cm area of d these Area = Area = c Area = 6 Area = cm 2 cm a Area = cm 2 cm 2 76 e rectangles. 2 e.g. 2 cm b Area = cm e Area = cm 2 d Area = cm 2 OX FOR D U N I V E RSI T Y PR E S S Independent practice e.g. To nd the area of a rectangle, you need to 2 rows 3 squares on a row know: 2 • how • how many many Find 1 squares the rows areas t there of on a Area = 2 rows Area = 6 cm row of 3 cm 2 are. these rectangles. rows squares on a row a 2 Area b = rows of cm Area c rows rows squares Area = on a row squares rows Area = Area a row 2 cm of = d on rows 2 of cm Area = Area = Area = e Area = f g Area OX FOR D = U N I V E RSI T Y PR E S S = 77 If you how it know many happens 4 the length squares on this and will t width on a of row a rectangle, and how you many can rows nd the there area are. by You imagining can see how rectangle. cm 4 2 cm 4 cm 2 cm cm 2 cm 2 Length 2 Use a and width method of Centime tre your choice a to nd the marks area of 2 each b 5 of 4 cm rectangle. c cm Area rows 2 cm 5 cm = 2 cm Area Area 3 = = cm 3 cm d 4 cm e f 7 Area 2 cm cm = 5 cm Area = 4 cm Area = 8 cm 4 cm g 12 cm Area = 3 3 Use the of each to help dimensions a 3 cm to cm rectangle nd its area. are actual not cm drawn size. Area 78 8 b 4 They cm = Area = OX FOR D U N I V E RSI T Y PR E S S Extended practice Measure 1 each rectangle to nd its area. a b Area c = Area Area If 2 you can split a shape 3 into rectangles, you can = = nd its area. Find the area of each shape. cm a b B 2 cm 3 B 4 5 2 cm cm cm A cm A 4 Area of A = 2 Area of B = Total area = cm Area of A = Area of B = Total area = Area of A = Area of B = Area of C = Total area = cm d c 3 cm A 2 B 3 4 cm cm B 2 cm 2 Area of A = Area of C = Area of B = Total area = cm 2 cm cm C f Total area = Total OX FOR D 1 cm 2 e cm U N I V E RSI T Y PR E S S area = 79 UNIT 5: Volume TOPIC and 3 capacity Volume in is cubes. the This space something centimetre cube takes model up. has It a is measured volume of 3 6 Capacit y into is the something. millilitres (mL). cubic amount We This that can normally spoon centimetres be use has a (6 cm ). poured litres (L) capacit y and of 5 mL. Everything takes Guided practice has up Write the volume of each e.g. centimetre cube b 3 = 3 3 cm Volume c = A cup Circle has the a = most likely a mL 600 80 Volume about capacit y 250 60 mL What is mL 6 of something mL 20 0 that = Volume = cm 3 cm the following containers. c 2 L cm mL. b 6 3 of = 3 cm capacit y Volume e 3 2 3 cm d Volume me! model. a Volume space volume— even 1 that has 20 mL a mL 2 d 30 L capacit y of about a mL 30 0 3 30 L L mL 80 mL 800 8 80 L mL L litre? OX FOR D U N I V E RSI T Y PR E S S Independent 1 Write the practice volume of each centimetre cube model. 3 Volume = 3 cm Volume = 3 cm Volume 3 Volume 2 a How be 3 many needed b What c If a How is there on the b How c What How do to make three layer layers the = cm would model? layers centimetre bottom is this Volume volume? were many cubes cm 3 cm centimetre the many = = of cubes this does volume of the what would the volume be? are box? the the same, box hold? box? 3 4 you know that the volume of this model is 8 cm ? 1 2 4 5 Look a 2 OX FOR D at the cm? U N I V E RSI T Y model in b PR E S S question 3 cm? 4. What would c the 4 volume cm? be if the d cm cm height 5 cm were: cm? 81 × 10 0 0 Litres Millilitres ÷ 10 0 0 The 6 capacit y could also 10 0 0 mL, 10 0 0 mL of be the written because in a milk car ton e.g. as there 1 L a are litre. 1000 mL 2000 mL 9000 mL 250 0 mL 3750 mL b Milk c Complete between the table millilitres to 3 and d litres. e 1 L conver t 5.5 L L f g 1.25 L h Order 7 a each 2 L row 40 0 from mL, smallest 2.5 L, to 2350 largest. mL 1 b L, 450 mL, 0.35 L 2 3 c 1850 mL, 1 L, 1.8 L 4 1 d L, 20 0 mL, of these 20 mL 4 Which 8 drink containers holds closest to half a litre? Apple Orange Water 600 750 mL Fruit mL 375 juice mL 200 mL Look 9 the a at the correct 1 fruit juice 1 apple containers level when and in question the drinks b drink 2 8. Use have been information poured drinks Amount: next Write to the each jug to shade amounts in millilitres. 1 water and 1 apple drink 2L it to 2L Amount: Amount: 1L in. c orange 2L 82 the 1L 1L OX FOR D U N I V E RSI T Y PR E S S Extended practice 3 1 a What is b Explain the volume why you of can this nd rectangular the volume by multiplying 2 the 2 length Calculate the by the volume width of by each the height. rectangular 5 1 cm cm 3 cm 4 cm cm 3 Volume: 2 cm cm 4 4 cm cm prism. 10 2 cm prism? 4 cm mL of cm Volume: Volume: cm 5 cm 2 3 10 cm 12 Volume: cm 3 cm cm CUBE cm Volume: Volume: 3 3 Scientists This You in is hard need 10 - mL What have 20 prove in that 1 real life. centimetre cm cubes takes up exactly Tr y it for and a measuring the same as 1 water. yourself. jug that goes to up do: • Put 30 mL • Put 10 cubes • Put 5 more cubes in the water. What is the new level? • Put 5 more cubes in the water. What is the new level? • Did it work like U N I V E RSI T Y space steps. about OX FOR D to proved PR E S S of what water in in water. the it you was did. If the measuring What supposed it didn’t is to jug. the do? work, new level? Write a few lines suggest a reason. 50 ml 40 ml 30 ml 20 ml 10 ml 83 UNIT 5: TOPIC 4 Mass Each is unit 1000 heavier one Milligrams Mass (mg) tells Guided us Grams how heav y (g) K ilograms something is. We (kg) use four Under each the most likely unit of kilograms Complete 1 t a 2 t the tables to b conver t between 10 0 0 c units × kg e.g. 1 kg b 4000 kg b 5 c 150 0 kg c 3.5 e 1 .25 t mass of a each box in 0.5 1000 g e.g. 1 g 20 0 0 g a 5 g 1 50 0 kg 2 c g 1.5 e 0.5 1000 mg 30 0 0 mg 250 0 mg g d kg g d 0 50 0 1 50 0 kg 2 50 0 Mass: Milligrams b c 50 0 Mass: Grams ÷ 10 0 0 0 50 0 10 0 0 grams. 0 2 Grams kg b kg × 1250 e t 50 0 mass. kg d the of ÷ 10 0 0 a 3.5 sand d 10 0 0 Kilograms Kilograms 1000 d of tonnes). ÷ 10 0 0 e.g. Grains Train grams, Tonnes 84 mass. mass or × Write the it. (t) Apple a 3 of than before picture, write (milligrams, 2 units mass practice Dog 1 Tonnes of times 1 50 0 Mass: 0 50 0 50 0 kg 2 50 0 1 50 0 Mass: OX FOR D U N I V E RSI T Y PR E S S 0 Independent practice 50 0 50 0 kg The mass can be of this box 1 written as 2 2 1 kg, 2 50 0 2.5 1 Complete this kg or 2 kg 50 0g. table. Kilograms and frac tion Kilograms and decimal Kilograms and grams 1 e.g. 2 kg 2 a 2.5 kg 2 kg 500 g 1.5 kg 1 kg 50 0 g 1 b 2 2 kg 4 c 4.75 d 1.3 Not all scales and write the have the masses a same in kg kg increments kilograms and (markings). grams, b and in kilograms 5 kg g kg to at the in question 50 0 kg g 2. kg g kg Would you use kg scale A, B, 4.25 kg of C or D if you needed have: a 10 0 g b of Draw 650 g of c our ? butter ? 4 1 50 0 kg scales 0 3 50 0 Look decimal. kg 2 50 0 2 g scales 50 0 4 1 a 1 kg 50 0 2 3 with these 50 0 0 50 0 kg at d 0 50 0 kg carefully c 0 kg Look pointers on the scales to show d 2.5 potatoes? the mass of each kg of apples? box. 3 a 1 kg 50 0 g b 850 g c 1 .6 d kg kg 3 4 0 0 kg kg 0 50 0 kg 0 50 0 5 kg 1 50 0 2 1 4 2 50 0 OX FOR D U N I V E RSI T Y PR E S S 50 0 1 50 0 50 0 2 50 0 50 0 3 85 5 a Reorder the 2050 trucks, at front heaviest to the 2495 kg 2.0 05 D lightest at kg from C t 2.5 t B A the back. 1 b Which trucks are carr ying less than t? 2 2 6 c Which d True These two or four trucks false? The are carr ying combined a combined mass of all the half a a the total weigh same. possible each mass kilogram, none of trucks 4.5 is t? more than 9 t. apples A have mass C D but exactly Write mass apple. B of a for g Make g g g 1 sure the total is kg. 2 7 Circle the An a best estimate elephant 45 kg 450 for the mass A c an of b kg 450 0 3.5 35 kg of drink g pencil c g 350 1 the to carr y d g 150 Is A g 15 g sharpener truck Year 5 35 s tudent kg 350 g kg 350 0 strong kg enough kg 338 1 .5 the three boxes? kg t This 86 objects. A 8 145 these truck can carry 2 tonnes. OX FOR D U N I V E RSI T Y PR E S S Extended practice Record-breaking fruit The 90 mass was of less all four than record - breaking information the in apples the mass apple. the on of Use table to page or vegetable Where and when? Mass Apple Japan, 20 0 5 Cabbage UK , Lemon Israel, Peach USA , 20 02 725 Pumpkin USA , 20 0 9 782.4 5 Strawberr y UK , Pear Australia, Blueberr y Poland, 1.8 4 9 kg 57.61 kg one 19 9 9 the 20 0 3 5.265 kg complete g activities. 1 a Order b How much heavier than the cabbage c How much heavier than the pear d Which e If strawberries a kilogram, f By A group a of Round 3 Sol 133g nd OX FOR D and the U N I V E RSI T Y PR E S S the many Year 5 three heaviest would is from is heavier the lightest is the than one there the to 19 9 9 2.1 20 0 8 g kg 11.28 g heaviest. pumpkin? lemon? the were be heaviest students mass of a to and balance apples. mass by of mass The the of in heaviest sold a in peach? boxes of around box? strawberr y that number of they heavier the group. nd out how the rst world’s had was a had students in third one found the student numbers take average grams grams total the the like vegetables 231 than blueberr y? mass would bought 1 124 many the and how seven Divide it is heaviest average b fruits fruit how the 2 the 19 8 3 kg many of heaviest mass 1 17g. of Use a total to the nd mass of 273.85 4kg. the students pumpkin. 125g. the The same second process had as in a mass of question 2 to apple. 87 UNIT 5: TOPIC 5 Time 12 1 1 1 There are two main t ypes of clock: analogue 2 10 clocks and digital clocks. Analogue clocks have 3 9 been 4 8 7 around for hundreds of years. Digital 5 6 clocks Analogue clock Digital Times before called am times. Write e.g. recent. noon noon and are Times midnight practice are 1 more clock bet ween Guided are the times Waking under the up clocks. a At Use pm times. called am and school pm b Doing homework c In 12 12 1 1 12 1 1 1 1 1 1 1 12 1 1 1 bed 2 2 10 2 10 10 2 10 3 9 3 9 8 4 8 4 7 7 4 8 4 8 3 9 3 9 5 7 6 5 6 7 5 6 5 6 6:30 d am Eating e Getting lunch dressed 12 3 7 Some on pm the indic ator digital 7 5 analogue have clock. an to whether show each 12 am time is and am 5 6 pm. or Draw each time pm 3 8 4 1 1 1 2 10 9 12 12 1 1 1 2 3 9 8 4 1 1 1 2 2 10 10 3 9 8 4 3 9 8 4 on 7 5 6 88 7 5 12 1 1 1 indic ator 4 of f 10 pm 8 6 indicator Write 3 9 4 6 clocks 2 3 8 7 5 1 10 9 3 8 6 asleep 12 1 1 10 9 4 Fast 2 10 8 g 1 1 1 2 10 9 home 12 1 1 1 2 2 Going 12 1 1 1 f 7 5 6 7 7 5 5 6 6 OX FOR D U N I V E RSI T Y PR E S S Independent 1 On a are usually and practice 24 - hour clock, written am/pm times the as on times four this continue digits with past no 12 to spaces. 13, 14, and Midnight is so on. 0 0 0 0. 24 - hour Fill in the times 24 - hour timeline. t h g i n di M t h g i n di M Noon 1 am Wednesday Wednesday AM PM Tues Thur s 12 0 0 2 Conver t a 10 e 9:4 8 3 Write these times am pm these to 24 - hour b 3:30 f 7:1 1 events as pm 24 - hour and The time I leave b The time I eat c The time I leave school d The time I go bed and football nishing 12 1 1 for 8:15 0 815. pm d 7:1 1 g 9:4 8 am h 12:29 am/pm am am times. time 24 -hour time school to on star ts the at 1420 analogue and and lasts digital for 45 minutes. Show the star ting clocks. 12 1 1 1 2 2 10 3 9 8 4 7 5 6 OX FOR D becomes 2:20 1 10 am dinner match times example, c am/pm a Owen’s For pm Event 4 times. U N I V E RSI T Y PR E S S 3 9 8 4 7 5 6 89 Fill 5 in the gaps Remember to to show use the these pm times indicator in if four different ways. necessar y. 12 12 1 1 1 1 1 1 : 1 0 :4 3 2 2 10 10 3 9 8 4 7 3:37 3 9 am/pm 8 pm 4 7 5 6 5 6 24 -hour 7 : 2 8 12 24 -hour : 12 1 1 1 am/pm 1 1 1 2 2 10 10 am/pm am/pm 3 9 3 9 8:37 8 4 8 24 -hour 24 -hour 7 7 5 5 6 This 6 the is am 4 6 Sam’s timetable for Friday at school. Use the information to complete activities. a At Friday what (Use time does am/pm the Mathematics lesson begin? time.) 9:0 0 Spor t 10:0 0 b When does the lunch break star t? Maths 11:0 0 (Use am/pm c How long d Lunchtime Recess time.) 11:18 noisses Reading does Recess last? groups ycaretiL 12:15 star ts with 10 minutes “eating time” . Journal How much e How long f Estimate play time does Sam have after that? writing 13:0 0 does the Literacy session last? Lunch 14:0 0 Ar t & craft the time that Stor y reading begins. Stor y 15:0 0 7 Digital clocks Rewrite the used times 3 :1 5 90 are (Use on for 24 -hour 24 - hour these time 24 - hour time.) as well as am/pm times. clocks. 3 :1 5 9 : 2 7 9 : 2 7 OX FOR D U N I V E RSI T Y PR E S S Extended Puf ng practice Billy FROM 1 A train called because Above it is you Billy. Use a How to Puf ng a see long par t does Menzies How long c How much was built of the a to timetable complete 10:30 train does the longer 1 1:10 does train the long does the 1 1:10 e How long does the journey f Imagine there The train the 1 1:10 The what PR E S S is leaves 1 1:10 Belgrave, U N I V E RSI T Y years 10:30 11:10 Menzies Creek arr: 10:53 11:33 Menzies Creek dep: 11:05 11:35 Emerald dep: 11:20 11:53 Lakeside arr: 11:30 12:08 Lakeside dep: … 12:20 Cockatoo arr: … 12:35 Gembrook arr: … 13:00 ago. Puf ng Billy got its name for the take people who following to get want to take a ride on Puf ng activities. from Belgrave wait 10:30 at Menzies train take to Creek? get from Belgrave Lakeside? How At 10 0 dep: Creek? d g over Belgrave engine. information b to OX FOR D steam can the Billy B E L G R AV E train. train a new at At 4:05 what waits taking 24 - hour the at train take summer pm and 24 - hour it Lakeside? Belgrave ser vice takes time amount does at from Gembrook same time wait the will for of arrive from an it length arrive hour. as at Gembrook? Belgrave same time back to It the at to Gembrook. of time as Gembrook? then returns outward to journey. Belgrave? 91 UNIT 2D 6: TOPIC 1 shapes A a circle 2D but A polygon is a closed shape with three or more None of the sides cross over each polygon Parallel lines Guided 1 has go parallel in the is not is a not This is polygon. a other. a This shape, it straight This sides. polygon. polygon. sides. same direction. practice a Colour b Explain • B the polygons. why is the not a Tick the unshaded polygon polygons shapes are that not have parallel sides. polygons. because . • is not a polygon because . • is not a polygon because . triangle 2 Most polygons angles Use in the the 3 bank Write to help after the each polygon’s with A polygon same. irregular is of either Irregular polygons. regular ones Add do or arrows B G Shade on any Regular the quadrilateral hexagon pairs of e shapes regular lines D I have polygons. parallel C H octagon d irregular. not. pentagon name. c A F number spelling. b the 92 named shape. word a are is all sides Draw you and stripes angles on the see. E J OX FOR D U N I V E RSI T Y PR E S S Independent practice All triangles named and Scalene sides No triangle: are the angles Right-angled There the 1 This of sizes of Colour it • green • yellow • blue • red their Isosceles length. of sides are the triangle: Equilateral in made according to sides triangle: Two angle their be angles. angles sides All is lengths can are the same are Two length. equal. triangle: the same angles are All length. equal. from the t ypes These for for for for scalene triangles. right- angled triangles. isosceles triangles. equilateral triangles. shapes triangles because they are congruent remain the same size Shade and shape been Similar 3 the Triangles equal. right pattern sides. triangles: Congruent 2 a the to triangle. rectangular triangles. is according three No same are have even when they the congruent shapes. have rotated. shapes These the triangles sides have are are not congruent Shade the three similar because not the congruent. same length. They are the same They are similar shape because but they angles triangles their that angles are are congruent. OX FOR D U N I V E RSI T Y PR E S S 93 parallelogram 4 There are several Label these t ypes of quadrilaterals. square trapezium rectangle rhombus quadrilaterals. Use the word irregular bank 5 to help with a b c d e f Write down about each Polygon something pair pair of that is the same and something that is dif ferent polygons. Something about e.g. quadrilateral spelling. They and the parallel Something about have right polygons same pair both 4 the 4 sides angles. have lines. 2 Both pairs of One all the has the other that dif ferent pair sides same has are that length. opposite the are same The sides length. a b c 94 OX FOR D U N I V E RSI T Y PR E S S Extended 1 Identif y a practice each This It polygon from has three This polygon has six c This polygon has four This It Write it too description. sides, one right angle and two equal angles. . b d its is pair 2 polygon of sides that polygon is equal are a sides. not four equal your own description for It has parallel. parallelogram. has easy angles. sides. someone to It of It is one It It . pair of sides that are parallel. has another is . has two acute angles and two is a It obtuse angles. . polygon. Describe it accurately — but without making guess. 3 4 This OX FOR D is made • two • an • a trapezium • a rectangle. Draw that picture a right- angled irregular polygon you use. U N I V E RSI T Y triangles pentagon picture. Write (Remember: PR E S S from: a the names polygon has of no the polygons cur ved sides!) 95 UNIT 3D A TOPIC 2 shapes 3D shape depth. that 6: A has height, polyhedron at polyhedron ( The has plural faces. but of a is A width a 3D cube cylinder polyhedron shape is is and a not. is Cube (a polyhedron) a 3D C ylinder (not a polyhedron) polyhedra.) I am but I shape, am not apolyhedron! Guided 1 practice Prisms of and pyramids polyhedra. from Use the the They shapes word are get of bank their their to two t ypes triangular names bases. help you hexagonal names of these 2 pyramid pyramid e.g. square prism d e f g side faces shape can of prisms you prism triangular prism a c The octagonal prism b 2D 96 hexagonal prism prism polyhedra. pentagonal e.g. rectangular write square the pyramid see are on always the side rectangles. faces of all What pyramids? OX FOR D U N I V E RSI T Y PR E S S Independent 1 Complete practice these sentences. a I know this is a polyhedron b I know this is not a because polyhedron because edge 2 Write the number of faces, edges and ver tices on these 3D shapes. fac e You could use actual 3D shapes to help with this activit y. ver tex 3D shape Number Number Number of of of faces edges Name of 3D shape ver tices a b c d e OX FOR D U N I V E RSI T Y PR E S S 97 A pyramid has base. It usually base. A prism bases. on A one sits has prism of the one on two often side its sits faces One hexagonal Two and not on the base. hexagonal base bases 3 Complete 3D this table. shape Number of e.g. Base shape Side face shape bases The objec t sit ting is on: Hexagonal pyramid 1 hexagon triangles the base net for a Square pyramid b Triangular prism c Triangular pyramid d Rectangular 4 A prism rectangular For which 3D prism would shapes are open these the a to make a net like this: nets? b This 98 out is the net for a This is the OX FOR D a U N I V E RSI T Y PR E S S Extended 1 practice Drawing though show it the a This is a: b This is a: c This is a: d This is a: 2 If you 3D has “hidden” made a What shape object a U N I V E RSI T Y in dif cult, Tr y to edges. would see would the a because draw It cross - section you 2D is depth. direction, each OX FOR D shapes these might of a in a few on to make the tries to a 2D isometric make drawing grid. them The look look as dotted lines right. this circle. you direction see of if you the b PR E S S have objects take cone you cut across arrow? c 99 UNIT 7: TOPIC 1 Angles Angles are measured degrees There are six t ypes of in (°). angles: 18 0 ° from from 91° 1° to 89° to 179 ° 9 0° 36 0 ° from Perpendicular lines perpendicular to Guided 1 2 a right angle. t ype of The lines on 359 ° the right angle the name of each are angle. b c d e f Draw a each Use above other. a a 100 each at to practice Write to 3 meet 181° a line that green pencil an is line. and acute perpendicular ruler angle to draw each b angle a from right the angle dot on its base c line. an obtuse OX FOR D angle U N I V E RSI T Y PR E S S Independent practice 10 80 0 1 90 1 1 1 0 80 100 7 0 0 0 2 0 1 5 0 3 1 0 4 4 0 4 0 1 a protractor. Make sure protractor of the protractor needs 6 line is 0 base 0 2 The the positioned properly 1 2 0 with make This line sure angle of you is on the read the angle. the You correct inside 0 track. base 081 to the Write a the An t ype and acute size of the track that starts at 0 track: Make 1 Read 1 have on 01 be 07 to 01 measured 3 0 are 0 3 Angles each sure the protrac tor is positioned properly. angle. angle b An angle ° 10 80 90 1 1 2 1 0 7 0 0 0 1 2 0 3 1 5 0 0 0 3 3 0 4 1 4 0 3 0 3 0 outside 1 07 1 01 07 0 An angle 10 80 90 1 angle ° 0 1 90 1 2 100 0 6 0 1 0 1 1 0 1 80 2 7 0 0 2 0 1 1 5 0 0 3 3 4 1 0 0 081 2 Write the t ype a acute angle of angle. Circle the best estimate for the b size the angle. c angle angle 10 0° 10 0° 20° 80 º 14 0 º 120 º 40 º 170 º 60 º d e angle f angle PR E S S of 1 01 07 1 01 07 01 1 2 0 6 6 1 2 0 3 0 3 0 0 0 2 0 0 2 01 4 0 1 0 3 0 3 track 1 4 the 0 4 1 Read 0 4 0 4 0 1 inside U N I V E RSI T Y 0 0 2 0 5 10 80 0 7 0 7 0 0 07 1 1 80 100 An ° 0 1 0 7 d 081 c 0 0 081 081 1 1 01 07 01 2 0 6 6 1 2 0 0 0 2 0 0 2 track 01 4 0 1 the 0 3 0 3 track Read 4 the 0 4 1 Read 1 0 4 0 4 0 1 inside OX FOR D 1 1 80 100 0 6 0 1 5 90 1 7 0 0 0 2 0 0 1 0 7 0 80 100 1 ° 10 80 0 1 0 7 angle 20° 8 0° 70° 60 º 90º 90º 80 º 10 0 º 1 10 º 101 Write 3 You an estimate could a also for think the size about of how each the b Estimate angle. size compares about to a the right 5 Estimate Estimate e ° Estimate Estimate g protractor to h Estimate ° measure the size of each angle ° in question 3. a b c d e f g h Use a 102 a angle. ° ° Use angle. ° ° 4 of c Estimate f t ype Estimate ° d Think a protractor, 70° pencil and ruler to draw the angle b on each line. Star t at the dot. 1 15° OX FOR D U N I V E RSI T Y PR E S S Extended This to practice diagram nd the shows size of a one strategy reex you can use angle. 4 0º 1 Without of 2 the Use a using reex a protractor, angle strategy of in this your write the ?º size diagram. choice to nd a the size of these reex angles. b ° ° c d ° 3 There are shown two ° angles a Estimate the size of each angle. here. Angle A estimate: Angle B estimate: A B b Explain c Measuring Angle d OX FOR D A Explain U N I V E RSI T Y PR E S S how you just estimated one of the the size angles, of write = how each the Angle you found the size of the angle angle. sizes B of both you did angles. = that not measure. 103 UNIT 8: TOPIC 1 Transformations Patterns can be cer tain way, remain congruent, some ways it made star ts to Guided to a (sliding transformation. make which begin Translation by a pattern. means pattern that by it) This When they are the a that pattern always transforming Reec tion means the is as you move formed, same the shape a shape shapes and size. a must Here are shape: (ipping it over) Rot ation (turning it) practice I don’t if 1 in What method of transformation has been I rotation used? kno w like this pattern! a b c 2 Complete a the Rotate patterns. Remember to keep the shapes congruent. the triangle. b Translate the c triangle. Reect the triangle. d Make a pattern your e 104 How of choice. did you transform the pentagon? OX FOR D U N I V E RSI T Y PR E S S Independent practice Patterns can be horizontally, Translation made ver tically Re e c tion ver tic al by transforming or shapes diagonally ver tic al horizontal horizontal diagonal 1 Describe these diagonal patterns. Pat tern Description a b c d e f 2 Continue describe OX FOR D U N I V E RSI T Y this the PR E S S pattern way it and grows. 105 3 Look at the way these patterns grow. Complete each pattern, then describe it. a b c 4 a b Design a pattern using Describe made 106 transformation the your this way shape. you pattern. OX FOR D U N I V E RSI T Y PR E S S Extended 1 practice You can of computer (or a create designs and Open the on a blank minutes such Drawing View, on document. menu then as the c Draw the shape d Copy the shape. e Paste f Use the the with the Microsoft help Word This Repeat activit y at the the steps to right edge d –f involves a new on the as b Click c Draw the arrow on d Copy and paste the e Use Select blank top can see it, see click Drawing and the choose page by an interesting clicking and shape. dragging. users: Click the many of the hold size to the shape rst times copies the icon page shape to as of a rst so that shape, you its like left this: like. simple shape on top of the choose clicking you the did and in shape a double Change and the click rotation dragging. question so that it 1. is exactly it. as look (PC you for users: click the right- click and choose rotation and choose format j U N I V E RSI T Y PR E S S amount from 0° to format Autoshape Autoshape. ) menu. 30° and sc ale ____________ 30º Rotation: OK i OX FOR D shape. arrow. Rotate h original shape. change and and by as move control tab the document. keys shape Mac of Autoshapes arrow the move rotating Open the of you cannot icon top keys a over you then Autoshapes arrow the If sure shape. edgejoins g bar. Make Toolbars, Click g few program b f a similar). a 2 a in Copy, paste steps e – h. Repeat, and move increasing the the new angle of shape by rotation repeating by 30° each time. 107 UNIT 8: TOPIC 2 Symmetry There are two symmetr y. t ypes Some of symmetr y: shapes have line both line (mirror) symmetr y symmetr y and and rotational rotational (turning) symmetr y. Some shapes don’t Line any One have symme tr y side is lines of the symmetry. same as the other. Rotational It t s get s Guided 1 Tick symme tr y top back to of it self the before s tar ting it Line symme tr y and point . practice the shapes that have line symmetr y. A B C D E F G H I J 2 All of the following a Draw b Some that 108 on at least of the have shapes one line shapes rotational have of also line symmetr y. symmetr y have on each rotational shape. symmetr y. Colour the shapes symmetr y. A B C D E F G H I J OX FOR D U N I V E RSI T Y PR E S S Independent practice Shapes can The dotted 1 red All in these the have more lines shapes lines of than show have that line symmetr y. one line this of shape symmetr y. Some symmetr y. have has Use one, a two lines strategy some of of have symmetr y. your choice two — and some a b c d e f g h i j k l 2 All regular Identif y and d OX FOR D 2D shapes draw the have lines lines of e U N I V E RSI T Y PR E S S of symmetr y. symmetr y on A triangle these has regular to three nd and have lines of draw four! symmetr y. shapes. f 109 This ts shape on 1s t top has of rotational itself two symmetr y times as it of “order rotates, 2” . That counting means the that starting the shape position position as Back one. to s t ar t × × • • • × • × the shapes. You • × 2nd 3 Find the the order shapes of and rotational use symmetr y cut- outs for this position for these may wish to trace over activit y. • • × Rotational symmetr y of × × • order Rotational of Rotational of order Rotational of 4 110 symmetr y of symmetr y or false? Ever y symmetr y order symmetr y order symmetrical shape rotational symmetr y order Rotational of has order Rotational of Rotational of order True Rotational symmetr y symmetr y order symmetr y of at least order OX FOR D 1. U N I V E RSI T Y PR E S S Extended 1 Some practice of the However, this 1 Draw b One of and of b of number The A. letter S of has is the c What is another d Some of that capital example, order two. • line • rotational • both the show be 7 any drawn Which can be drawn of some lines of symmetrical. 8 digits that 9 are symmetrically one is it? 0 symmetrical. is not Re - draw it capital capital Complete has for with both the letter symmetr y letter H letters capital of have that it it so has an that it innite has an symmetr y. symmetr y capital so Re - draw a two that but it capital lines of with symmetr y symmetr y, one line has rotational of such as symmetr y? symmetr y. S? symmetr y? and rotational symmetr y diagram, Let ter s of has symmetr y lines Venn have rotational line line and are drawn. 6 list. symmetr y line are system symmetr y. letters a they to can another no order in lines is number 5 symmetr y. know What For of of What way symmetr y digits lines our 4 digits line 10 probably capital of 10 the the innite You lines up the symmetrically number a on 3 the draw One make depends the drawn 2 that 2 a c digits showing and the has rotational letters Let ter s with symmetr y. both that symmetr y have: Let ter s with rotational symmetr y symmetr y symmetr y A H S rotational symmetr y. 3 We often Look closely makes OX FOR D see U N I V E RSI T Y it symmetr y at this leaf. in nature. What, if Or do we? any thing, asymmetrical? PR E S S 111 UNIT 8: TOPIC Enlargements When you enlarge 3 and reductions something, you make it bigger. s t There are two shape using simple ways of enlarging a h iz e e 2D Grid a grid of squares. You can draw × picture on bigger squares, or you can length of ever y line by the same 4 4 can a the squares wide small reduce the D size o wide u b le t of big amount. squares Y ou 2 increase Star t the size the picture by opposite doing of h e the Line enlargement process. lengths 8 Guided 1 Enlarge these shapes by re - drawing them on the larger squares wide grids. b c d e f Enlarge at 2 practice a 2 small × the these red shapes by doubling the lengths of all the lines. Star t each drawing dot. a b d e c f 112 OX FOR D U N I V E RSI T Y PR E S S Independent Enlarge 1 practice each picture by A drawing Draw 2 it an on the larger enlargement enlargement by B grid. of drawing each them shape on on the the third second grid. an even bigger B A OX FOR D make grid. A 3 Then B Reduce U N I V E RSI T Y the PR E S S size of these letters by drawing them on the smaller grid. 113 You to 4 can be enlarge three Re - draw or times these reduce as big, a picture you pictures by enlarge according it to a scale by the a a fac tor. scale scale If factor factor b you of want a picture three. shown. Reduc e Star t by a at sc ale the red fac tor of dot. t wo. Enlarge by a sc ale fac tor of three. Reduc e by a sc ale c fac tor of three. d Enlarge fac tor 114 by of a sc ale t wo. OX FOR D U N I V E RSI T Y PR E S S Extended practice 2 1 A 2 cm factor of writing 2 You × two, the will clicking square what an happens access such and as to the size a Open a blank b Inser t a picture. c Select the area to of the 4 cm area? users: Click the computer You of hold size Word, can the Word picture Mac a Microsoft dragging. changing d has . If you enlarge Experiment on a a 2 cm piece square of spare by a scale paper before answer. need program by 2 cm you by the can enlarge picture next enlarge pictures a activit y. a a picture more percentage In by accurately amount. document. to format control tab for and as look it. (PC you for users: click the and scale right- click choose and choose format format pic ture pic ture.) menu. Sc ale ____________________________ 10 0% e Change 20 0%. the (If scale you amount click the from lock 10 0% aspec t to Loc k ratio asp e c t Relative button, by 3 the f Click a If b If would you you do not width of can make the Tr y U N I V E RSI T Y to lock a to three picture half the and to original pic ture size height pictures the its can size of a the size of the a in and be width picture picture in Word and you clicked “10 0% ” , picture? by Word? size. look change. the aspect picture enlarging width picture enlarge of another and different OX FOR D factor picture the formatting How Inser t do. watch happen scale the amount.) and were change would the 4 same OK you will what a c this ratio nd a How ratio in way did and you Word, changed strange to do the it? height separately. but height reduce it of can a be This fun picture to by amounts. PR E S S 115 UNIT Grid 8: TOPIC 4 references T o read coordinate Grid A Grid references are a way position. Grid go river or mean an The the exact circle area point is at inside on then the a mountain! square grid. B1 on both Grid B, there grids. 0 D Ona grid like can Showing only be one object at each 1 a position Showing a position point. inside Guided a square. at an exac t point . practice What is the position of these shapes on the grids at Grid A square: Grid B square: Grid A triangle: Grid B triangle: the top of the page? Grid 2 What are the positions of these shapes on Grid C C? 5 a The diamond: b The star: 4 3 c The triangle: d The circle: 2 1 A 3 Draw the following on Grid C: a The letter O at c The letter K at e The letter R at A4 B C b A B4 d An B5 f The D smiley oval face at letter Grid E at B3 D2 U at A5 D 5 4 Which shape reference on has Grid a different C and grid Grid D? 4 3 5 Draw the letter × at the following points on Grid D: 2 B4 C3 D2 E1 1 6 Write a coordinate continue 116 the ×s in UP references the can ACROSS of the describing point, B first Grid a point a that diagonal would line. A B C D OX FOR D E U N I V E RSI T Y PR E S S Independent practice Grid E 5 4 Coordinate points rather a are often written with two numbers, 3 than number letter going The numbers The circle and across are in a number. rst, then brackets, You the read the number separated by going a up. 2 comma. 1 is at (1,0). 0 0 Write 1 a the Draw 2 3 the references b following b circles a Write the b What is that two you at on (1,4) rst the grid them the E. of your reference points with triangle (3,4) letter coordinate join Grid and a 1 2 3 4 5 for: star the When 4 grid rst for have straight an a a c stars name the on letter arrow line. c square an you at diamond (2,3) (1,2), empt y (2,2) grid and (3,2) point. wrote? between Complete at the the them, it means following. y 8 a The coordinate are: (1,5) The coordinate are: (4,5) points for drawing the triangle 7 (3,5) (2,8) . 6 5 b points for drawing the square 4 3 2 1 0 x 0 5 1 2 3 4 a Draw a large b Write the U N I V E RSI T Y PR E S S 6 7 rectangle coordinate Remember OX FOR D 5 to end 8 on the points the grid for drawing lines drawing back at below the the the triangle and the square. rectangle. star ting point. 117 y 6 a Write the coordinate points to show 6 someone how to draw this letter N. 5 4 3 b Draw another lines. Write to show capital the letter coordinate someone how to using straight points draw the 2 letter. 1 0 x 0 7 a Draw the plotting following with coordinate dots picture and 1 2 3 4 5 6 by joining the points. (1,1) (4,1) (4,4) (5,4) (5,1) (8,1) (6,2) (6,6) (8,4) (8,5) (6,7) (5,8) (7 ,8) (7 ,9) (8,9) (8,10) (5,7) y 12 (7 ,10) (7 ,1 1) 11 (6,12) (3,12) (2,1 1) 10 (2,10) (1,10) (1,9) (2,9) 9 (2,8) (4,8) (4,7) (3,7) 8 (1,5) (1,4) (3,6) (3,2) 7 (1,1) STOP! 6 b Draw a mouth: 5 (3,10) (3,9) (6,9) (6,10). 4 c Draw a nose: draw an (4,10) (5,10), then 3 oval shape around the line. 2 d Draw two coordinate eyes. What are the points? 1 0 x 0 118 1 2 3 4 5 6 OX FOR D 7 U N I V E RSI T Y 8 PR E S S Extended 1 Design to practice a coordinate someone so that • Don’t make • Make sure • they the the be picture else will Use straight on can picture the draw too coordinate able grid. the After wards, picture. you Some can things give to the think instructions about: complicated. points are correct. (If you can’t 9 10 follow them, nobody to!) lines where possible. y 12 11 10 9 8 7 6 5 4 3 2 1 0 x 0 2 Write Tr y OX FOR D the instructions following U N I V E RSI T Y PR E S S 1 your 2 in 3 the 4 way instructions on 5 that a 6 they grid 7 were before 8 written you give on 11 page them to 12 122. somebody else. 119 UNIT 8: Giving The four south, sayings 5 directions main east position TOPIC on compass and a west. To compass such as “ directions are remember rose, ever some at nor th, their people limy orms” . We need a direction the Guided N use to position W compass E describe of the dog. practice S 1 The a dog on Label the the compass four (nor th - east), 2 The teacher Use the is plan at to empt y SE (south -west) rose nd nor th - east arrows NW the cat. b Draw SW a (nor th -west). centre the of NE (south - east), and the is of this Who is triangle at circle at the NW square at the SE the SW point point, and a point. classroom. answers. 4 a a Sam nor th - east N of the teacher ? 3 T b Who of c is the Use south -west 2 teacher ? a compass direction to describe Lucy 1 Sam’s position. A 3 It is not possible describe compass directions, a Use a b Eva is c Choose a d What is the e Write Jo’s Use to 120 to a the grid at but we reference A 2. Write position grid teacher her to can in a a use name the a grid on east for position direction and position describe reference name compass to the to of of grid Jack ’s reference. the position the plan. Sam the table and of write B using Jack is one at C of the D eight B1. Tran. your initials in it. position? between describe reference Sam the for and Lucy. position the in relation table. OX FOR D U N I V E RSI T Y PR E S S Independent practice Use Or ange this map of Jo’s town for the following activities. Gr ove Tran’s house 5 Shopping mall Jo’s Sw im 4 house c entre N house 3 Sp or t s elds 2 1 B a In b What c Imagine you shor test route of d which is the Amy e True f The direction the Write the Primar y h Using from U N I V E RSI T Y PR E S S go for to get Tran’s the nor th along the roads end that E from home F to the swim G centre? house? of Rosella would Road. take you Shade to the in the southern entrance elds. Penrith false? Magic Jo at instructions or would D reference lived on side grid to Amy’s Movie right-hand g grid spor ts lives write OX FOR D C a la o K A y ba l l aW Dr i ve al l e s o R um E Dubbo t a b m oW da o R 1 Parade. get from house Theatre of is is Wombat reference Using for compass Amy’s house nor th - east nor th Way. the of of the Draw directions to the swim Jo’s house. Swim centre, and label nor th - eastern and it on corner of street names, centre. on the the map. Lawson Road School. compass Tran’s directions house on and Wombat street Way names, to the write school instructions entrance on to get Wallaby Way. 121 Scale: 10 0 m 3 2 A legend places you (or on can a key) gives map. work If out map, the treasure from the snake a Write a information map real - life is at has a about distances. (4,1) and 2 scale, is On this T 1 C S = Treasure S = Snake C = Campsi t e Pi t T 50metres 0 for a the 0 pit. b coordinate campsite. 1 How far from the 2 3 is the 4 5 campsite treasure? N S = Snake Pi t C = Crocodiles P = Poisonous S N T P P = = Nes t of Plan t s Scorpions Treasure P Scale: 1 cm nest of = 1 km Snakesville N C 3 a Use the legend scorpions is b 4 km Shark a south Point “Shark 4 near There a 5 a plants track drew. you Goanna dot The the Treasure it on is west the by 2 the on Cave of is the 6 map: km Big south - east Cockroach Snakesville. Cliff is Mark from going to from km to Snakesville 7 Beach of km its has a Snakesville. nor th position of Spider Spider with the south Snakesville the to Shark Point that of them. Draw the to nor th - east Shark of Draw a straight road buried along a straight track with the letter Point Spider G. map Bug a dot Head Head. and write map. track letter is these Pot distance Gorge and Tin km on the Mark 122 5 Estimate a b is mark Snakesville. cur ved poisonous b it. of Point” is to from 50 0 track along Head. Spider m misses the on the map. on the map the Mark Head it to south - east Goanna of with Gorge. Goanna Gorge. T. OX FOR D U N I V E RSI T Y PR E S S Extended 1 CAT stands given draw to practice and an for traces Write b steps with rst compass Move nor th Step 2. Move nor th- eas t your Draw you your the to to own island, a references own be use Treasure scale for the U N I V E RSI T Y PR E S S are according needs shown. to be CAT is to directions programmed to programmed Step 2 directions. the octagon. Step 1 cm tool a to you in see will a places Map. on if you need the draw to computer direction Legend OX FOR D 2 Island and moves CAT complete directions line It cm. accurate, a The moves would 2 Toy” . pen. two and that a 1. Follow grid The Ar tist’s Step ask on path distance the octagon 2 a octagon. understand a “Computer Include use an a protractor. program a indicator. legend Label octagon. such for the as Or you want your so you may Word. interesting that your teacher Microsoft some grid If places can give map. Sc ale: 123 UNIT 9: TOPIC Collecting A common 1 and way to representing represent data data Graph is to show our f rui t favouri te on a graph. There are several snac k t ypes chocolate of graph. The depends on Guided t ype what of is graph being used represented. ice -cream practice Ver tical N umbe r the of bir d s c las s that bir d or horizontal bar graph N umbe r vi s i te d the fe e de r of bir d s c las s that bir d vi s i te d fe e de r 28 Mon Tues Wed T hu Fri 0 Mon Tues Wed T hu Fri 0 1 a Fill in axis Dot the on blanks each N umbe r plot on the number 28 b By graph. of pie c e s how total of frui t our group brought for many less s nac k than was Tuesday’s Monday’s? time 2 1 2 3 Piec es a What is the most of 4 fruit common b How many were sur veyed? T he people in number of pieces of fruit? 1 graphs questions and 2 sho w numerical 3 The two main Numerical we like to data go categorical) a What c How e What your tall are subject? 124 can on for is is t ypes of be the t ype favourite favourite that counted holidays) you? your data is of not data pet? are (or collected are measured). numerical. that will Categorical Write be numerical “N” (for and data categorical (such numerical) as or where “C” (for collected. b How many d What f How is your long reading pets do each do you favourite you have? spor t? spend day? OX FOR D U N I V E RSI T Y PR E S S data. Independent 1 If you asked, numerical 3 If you “How data. categorical 2 practice a Class 5T Write a snacks sur vey do you question eat a about day?” , food you that would “What sur vey took type question the noon of music about do you music like?” , that you would would enable 20 be collecting enable you to collect collecting to collect categorical numerical data. data. temperature Tally Frequency days: 19°, 18 °, 19°, 20°, 19°, 20°, 20°, 20°, 19°, 18 °, 20°, 19°, 20°, 19°, 18 °, 20°, 18 °, 17°, 19°, 20° a be you Temperature for would data. asked, Write many What t ype of data did they Total collect? Noon b Complete for c the frequency a the about Create dot the plot for 20 days the temperatures. a frequency table about the colour of 18 º people’s 19 º hair in Hair Frequency for table 17 º 4 temperature s data. Complete data the time table Colour showing Light hair your c olour 20 º class. in our c las s colour Medium Dark Total Frequency Transfer Decide the on data a onto suitable a bar e l po e p b graph. scale. fo What other suitable for t ype this of graph data? would also be r e bmuN c 0 OX FOR D U N I V E RSI T Y PR E S S Dar k Medium L igh t 125 5 Add the to the information lengths Hair and colours t ype Shor t question of 4 students’ Light by creating hair in your Medium a two -way table showing class. Dark Total length Medium Long in length length Total 6 This table shows a Complete b Decide on separate the the a piece Year Carlton 18 97 Essendon total ten of premiership winning teams in the Australian Football League. column. suitable Club Collingwood top t ype paper s tar ted of for graph and scale to display the information. Use a this. Premiership years Total 19 0 6, 19 07, 19 0 8, 1914, 1915, 19 3 8, 19 4 5, 19 47, 19 6 8, 1970, 1972, 1979, 19 81, 19 82, 19 87, 19 9 5 19 02, 19 0 3, 1910, 1917, 19 30, 19 35, 19 36, 19 5 3, 18 97, 19 01, 19 4 9, 19 50, 19 62, 19 6 5, 19 8 4, 19 8 5, 18 9 8, 18 9 9, 19 0 4, 19 0 5, 1913, 1916, 1925, 19 31, 19 37, 19 51, 19 52, 19 6 3, 20 07, 19 61, 1971, 1976, 1978, 19 8 3, 19 8 6, 19 8 8, 19 91, 20 0 8, 2013, 2014, 19 0 0, 1926, 19 39, 19 4 0, 19 57, 19 59, 19 6 0, 19 6 4 1975, 1977, 19 9 6, 19 9 9 1920, 1921, 19 32, 1974, 19 8 0, 2017 19 0 9, 1918, 19 3 3, 1919, 1927, 1928, 1929, 18 97 1911, 1912, 19 5 8, 1923, 19 9 0, 1924, 2010 19 42, 19 4 6, 18 97 Fitzroy (18 97–19 9 6) Geelong 18 97 19 9 3, 1922, 20 0 0 19 4 4 20 0 9, 2011 Haw thorn Melbourne Nor th Melbourne Richmond Sydney 19 8 9, 1925 2015 19 41, 19 4 8, 19 55, 19 5 6, 19 3 4, 19 4 3, 19 67, 19 6 9, 1973, 20 0 5, 2012 18 97 1925 19 0 8 Swans (formerly South 18 97 Melbourne) 126 OX FOR D U N I V E RSI T Y PR E S S Extended Researchers it is ver y 1 believe dif cult Without in 2 practice a some any reliable research, children have a data about the write down three vocabular y number of words of 10 words that 000 words, anyone you think but knows. are used a lot writing. research Skim 10 -year- old collect doing ever yday Do to that through to see and if you make a are right. mental You note need of any 10 0 words words that of a you text. think are used frequently. 3 • Write • Do an b Which c Compare There are a these accurate three lot common words your of tally are research vowels words of the most with used in down. number commonly that the of 40 of times the words are used. used? somebody words of else. this How does it compare? joke. A monkey goes into a café and points to a pic ture of a cheese sandwich. “ That ’s s tr ange!” says one waitress to another. “A monkey is ordering a cheese sandwich.” “I know!” says the monkey. “I usually order a hot dog.” a Find for out each Vowel how often each vowel is used. Make an accurate tally of the number vowel. A E I O U Frequency b How reliable vowels? OX FOR D U N I V E RSI T Y PR E S S do you think this data is as an indicator of the most frequently used Why? 127 UNIT 9: TOPIC Representing 2 and interpreting How Two t ypes of graphs muc h represent data money was in Tran's Favourite c olour s of used piggy to data are bank? our c las s line $ 25 graphs and circle graphs $ 20 A line graph is used to show $ 15 how something changes over time, as amount piggy of such money $ 10 the in a $5 bank. A $0 1 2 3 circle graph is a quick way to 4 show small amounts of data. Week Guided 1 The practice line graph a By how b In c Estimate a Circle above much which did week the shows it did go that up Tran amount of the in amount week have the money of money Tran had in week 1 was 2? most Tran money? had in week 4. Y ou 2 the • Yellow is • Blue the • Out 10 b 3 correct are of more the the the popular least 24 students Estimate These is statement chose amounts than popular students number about of the in weeks information to 5 – 8. Use make a circle graph can only make above. red. colour. in the class, blue. students who chose green. Tran How had $5. the line much money was in Tran's pigg y bank? $ 25 graph. $ 20 • Week 5: $15 $ 15 • Week 6: $20 • Week 7: $3 $ 10 $5 • Week 8: $16 $0 5 6 7 8 Week 128 OX FOR D U N I V E RSI T Y PR E S S Independent 1 These are practice Eva’s Represent the spelling data on scores a line out of 20 during the term. graph. Week 1 2 3 4 5 6 7 8 9 10 Score 20 18 19 14 6 16 20 20 17 15 a Decide on a suitable 20 scale for b Write a c Write appropriate for the title Plot for the axis. graph. labels and axes. the each ver tical horizontal ver tical d the data, then join up point. 0 1 2 OX FOR D a In b Describe c In d True e Between U N I V E RSI T Y which which PR E S S or weeks the Eva change week false? did do you Eva’s which in score scores think average weeks was 2 3 10 0%? between Eva did score the not was rise in weeks do her more 5 7 . homework? than scores and the 16 out of 20. biggest? 129 3 The circle graphs show the top ve holiday Favourite destinations for Australians in 1950 and 20 0 0. New data was collected from a sur vey of 10 0 0 holiday destinations The – 1950 South Wales people. Queensland Victoria a What was the most popular destination New Zealand Europe in b 1950? The popularit y of which place wasthe same Favourite in 1950 and holiday destinations 20 0 0? – 2000 Australia c About how many people preferred to travel Europe to Asia Europe in 20 0 0? New Zealand USA d Why do chose 4 This table you think Europe shows the rose the number between top six girls’ of people 19 50 and names Number Rank 20 0 0? 20 0 0. of sec tions in Key (colour used in Name circle 1 Emily 2 Ellie 3 Jessica 4 Sophie 5 Chloe 6 Lucy a in who The blank circle graph is divided graph circle graph) into T itle: 24 sections. sections in b the in the a the colour graph. for number each of of the names for each Then name shade and the key table. c Write a title d Write a question might ask for Year information 130 shade the table. Choose shade to Choose in the 5 circle that a graph. teacher students the about the graph. OX FOR D U N I V E RSI T Y PR E S S Extended 1 This practice information thesubstitute) shows on Points the number a basketball in Points of points scored by each player team. in Points in Points in Points 1 Game 2 Game 3 Game 4 Game Sam 17 19 19 14 16 Amy 8 7 0 2 8 Tran 5 8 4 2 11 Eva 14 15 3 11 17 Lily 2 4 1 0 3 Noah 6 2 4 2 21 Total Average number points of per in Player Game (including 5 points game T itle a Divide of games points the b the to per the nd • player average Write the the you could each player ? How did What change c Whose d Who e Which player Give reason a the three average scored the Eva’s did the do a by the number number average graph scaffold were after PR E S S create What scores • to use questions • U N I V E RSI T Y each their game. data Youmay OX FOR D for of scores in table. Use of total if you focus highest (or of the average wish. on choice. Examples include: totals anyone over your for else’s) ve games? scores look like games? score most you for was points think your the in highest? a spent single most game? time on the sideline? answer. 131 UNIT 10: TOPIC 1 Chance Will heads If you that In guess you heads will be or right tails, as there there is is that As a is an even as you As words: There just a As frac tion: a will be or be tails? chance wrong. percentage: There chance. much it is a 50% chance. decimal: 1 There is a a chance. There is a 0.5 chance. 2 Guided Using practice the unlikely things 1 a The will 2 voice be A c Someone d Tuesday chance words you on think hear will read will will are the fall I impossible, turn on the likely, describe the number line. even chance of chance, the following radio line: in at on tonight. lunchtime. Monday question certain, TV 1 likely, next can week. be put unlikely, on a impossible. Draw Write arrows the to other the four positions appropriate. Even 0 certain, happening. news over follow words the when and words woman’s. b The cow a I probabilit y 0 .1 0.2 0. 3 chanc e 0.5 0.6 spinner will 0.4 0 .7 0.8 1 0.9 1 3 There is of a chance that the land on red. 4 Which 4 This spinner What 5 The 132 is the chance What a fraction has chance of the chance of landing percentage chance of it of a the 9 0% chance blue? describes this is spinner there that landing it b will on landing on land green? spinner on blue? red. on yellow landing is green? 0.1. on: c white? OX FOR D U N I V E RSI T Y PR E S S Independent Read 1 a the practice descriptions Conver t of b the Fill in the the chance event the of chance words to of a these decimal events to occurring. describe the chance occurring. gaps where necessar y. Value A: It is impossible B: It is almost C: It is likely D: There E: It F: There is an G: There is less H: It is almost certain I: It is certain that J: It is very K It is unlikely 2 is is very Place I will better likely 10 0 a metres me to movie even in two win at ten the chance seconds. million dollars. 0.1 weekend. that I will like the movie. born will be that even chance than an that even the next chance baby that I will go a girl. swimming tomorrow. that that that letter description for see than unlikely the run impossible that a to in for each question 1 B at an this 3 appropriate number Which do number 4 Which a on 0 line. you think values or spinners 75% place is more chance have the 0 .1 accurate when 1 0. 3 0.4 describing 0.5 chance 0.6 0 .7 0.8 0.9 1 situations: words? following chance of landing on blue? chance A b 0.2 out of 2 B C D chance 1 c of a chance 10 0% chance 3 d OX FOR D U N I V E RSI T Y PR E S S 133 5 Colour this spinner • There is 0.1 • There is 0 • There is so that chance chance the for for following probabilities are true: yellow. white. 2 chance for blue. 10 • There is 0.4 of a chance for green. 3 • There chance is for red. 10 6 Each the of these same spinners chance for can each A a b the land Write Imagine a this You know and nd How red, many there is not C from least D likely to most chance of each E likely red. value A: Spinner situation. are you of but them. number they that spinners on Spinner 7 of on B Order to land the There either have 10 0 for 2 red red the B: Spinner are 10 0 or blue. ones marbles marbles You and are 8 likely blue to C: in pick spinner a out landing Spinner on D: red. Spinner bag. 10 marbles ones. be: 10 0 (RED a 8 red? Which a blue of b these marble does from not this 1 4 4 10 show bag? the Circle 4 0% marbles and BLUE) blue? chance of choosing one. 0.4 10 0 (6 0 134 E: RED marbles and OX FOR D 40 BLUE) U N I V E RSI T Y PR E S S Extended In 1 a four practice pack suits Imagine a of 52 (or the t ypes): 52 Express a b the half a There a If Chloe 2 of of a picking the the landing a up 20 board spinner on that • Land on red: • Land on blue: you 1 Move picking The on. up picture many 20 a yellow Joel Company ones, loves looking. the spinner less it so chance of the all chance Which c Lachlan’s d he Which by U N I V E RSI T Y colour is always the that colour of you be move move, hear ts? depends the • Land on green: • Land on gold: there green, less on the chance there is the even Move greatest less Move 4 6 chance chance for squares squares of blue landing and the gold. of put 20 10 pink ones, ones. He chance there favourites have you to landing on each colour as Green: yellow is fraction. expect squares squares a works: for for you as a fraction decimal. purple the What b does 10 of more how card could number The is a suit. squares chance a each Blue: Jellybean hear ts. have square Describe and in how This 2 red, least The and are up would cards land colour. on OX FOR D of you cards, Colour Red: clubs there up. game. Move b that “picture” chance picked joker), fraction. of four spades, picking chance a 3 of card are the face - down. of invented colour is you are chance as (without t ype Express d cards diamonds, cards diamond Name c playing a are getting jellybean red and one has a of he of ones, ones takes that quar ter red a will 10 and one 5 from take chance green. his Gold: a green black his What ones pack yellow Evie ones, will in white each ones, pack. without jellybean? take fraction 25 of a out? chance favourites? 1- in -20 chance of being chosen Charlie? PR E S S 135 UNIT 10: Chance There is if toss you twice a on TOPIC 2 experiments 1- in -2 the tails. chance coin of four choosing times the does that However, correctly chances mean when are it that will a it coin will is tossed. land twice That on toss Guided 1 2nd 3rd tails a coin next lands on a Predict b Toss a the H 3 There is Give b If a a a a on Predict Roll 10 times land tos s in a row. 75% toss a Record 3rd prediction 1- in -2 lands the the chance value on 4 ten eleventh result if dice 1st 12 Circle the chance of it landing coin 50% 10 25% times. the results. 4th 5th 0% Heads: 6 th 7th Tails: 8 th 9 th 10 th with what rolling the 4 on a chance of the times in a actually a row, happened. 6 - sided dice what is Explain the difference. dice. landing the on 4: chance of it landing throw? you times. 2nd of for Two: a Toss you 2nd number dice 4 if times. your One: b to T? not a 10 1st Compare on 4 or heads 9 0% result coin Toss c 4th sure throw. 10 0% 2 toss and practice Imagine on tos s heads that happen? It ’ s 1s t means roll a dice 12 times. Three: Record 3rd 4th the Four: Five: Six: results. 5th 6 th 7th 8 th 9 th 10 th 11th 12 th Result c Was an 136 it more dif cult to predict the results for the coin or the dice? Tr y to give explanation. OX FOR D U N I V E RSI T Y PR E S S Independent practice 2 1 3 2 3 4 For this 1 experiment, a Circle the landing you will need a number value that on number 4 of spinner numbered does not from describe 1 the to 4 4. chance of the spinner 4. 1 out 10 1 out of 4 25% 0.25 4 b If you Do 2 It’s spin you time to the think spinner that conduct will four times happen? it should Give the a land reason Number for on each your number answer. on 1 experiment. number of Decide spins on that the the results: ( The 12? obtain 20? number multiple of and the 3 4 is of the accurate number of times landed 4 0? needs 4.) 2 spinner Tally necessar yto once. to be Operate it a the spinner Total 3 tally Write a few it results in the sentences • Did turn • Why • If I star ted • If I doubled • How did do table. about out how I not land the it from the my the results of the experiment. Think about things such as: expected? same number beginning number results the of again, spins, compare to of times would would it someone on the be each results ver y number ? be the same? different? else’s? 3 results. experiment If you like chance each this, a 5 - sided spinner would affect how up can it affect 4 and the 4 it set 3 numbered made is 2 an 2 the way 1 The 4 4 OX FOR D U N I V E RSI T Y for PR E S S number ? 4 1 137 5 For Fill this in the When They 6 7 table to you show you toss t wo both land on Predict Two experiment, the results will the coins need possible the out Ways the after 40 experiment. coins Tally of the tosses they landed like Tally landed number There are three results that can occur. results. result of Two the coins. can be: heads. heads: Carr y two of and Two the coins. tails: record Heads the heads results Two in the and tails: table. tails Heads and tails times that Total 8 Write 9 Each a few result chance of sentences did the have occurring experiment. at not commenting Explain in the the why same on the results Result: of your heads experiment. and tails Result: t wo t ails Result: t wo heads last by looking diagram. H T H 138 OX FOR D H U N I V E RSI T Y PR E S S Extended 1 We on 2 practice can give white. Circle about 3 Circle on value number that for the value best in chance as of many describes the this spinner different chance ways of this about spinner chance of 15% in about the this 25% question spinner 2 about Draw seven paper or with Cut out the What b Have If Put the OX FOR D carried letter U N I V E RSI T Y PR E S S you can. stops stopping 1 3 6 6 on on yellow yellow 10 next to word squares. N a piece times in 75% a row. time. 1 of MINIMUM, Turn of There U the be up facing M over. the up chance face - down might the them picking and Describe papers out on about square. letters down. all the chance facing you each the the looking. 5 per seven is squares Write letter a c equal card. one as stopping spinner 50% 0 4 not yellow. the the the statement 5% Imagine number Write the stopping a two experiment and letter and of the Ms. times, them M rst other picking shuf e letter 42 Move up them What how around. go? papers a letter around. are many all the times I rst Pick go. up two without possibilities? would you expect appear ? 139 GLOSSARY acute angle a angle right An or angle 90 that is smaller than array degrees. into An even make equal together adding, sum. The to vertical nd plus See joining the or and to of items rows count. Equipment mass; used items. to to Also that compare called pan balances the items mass balance of or angle equal addition easier scale different right columns them balance of arrangement adding total. of two Also known + = arm balance numbers as and bar also 3 addition and 2 is graph bars 5 or A way columns to of representing show the data values of using each variable. algorithm A process or formula Favourite to solve a problem in elpoep used mathematics. T O 2 4 1 3 3 7 Examples: algorithms algorithms + 24 + 13 = 14 12 10 rebmuN ver tical fo horizontal 37 sports 16 8 6 4 2 0 Cricket analogue time Time Soccer Net- Rugby Foot- Basket- ball ball shown ball on a clock numbers or watch and face hands to with Sport indicate base the hours and a angle The The bottom edge of minutes. space between two 2D face shape of a or 3D the bottom shape. base lines or where sur faces they measured at meet, in the point usually capacit y degrees. that 75 - degree angle the opposite direction to the hands a The of can The capacit y of hold. jug 4 has cups. size Car tesian plane A numbered horizontal grid system with clock. of and ver tical axes that allow an for object’s amount Moving in area container Example: a anticlock wise a The exact locations to be described and found. sur face. y 10 Example: It takes 12 tiles 9 8 to cover this poster. 7 6 5 area model A visual way of solving 4 multiplication problems by constructing 3 a 2 rectangle with the same dimensions as the x –10 numbers you are multiplying and breaking –9 – 8 –7 – 6 –5 – 4 –3 –2 –1 1 2 3 4 5 6 7 8 9 10 –1 –2 the problem down by place value. –3 – 4 10 6 × 10 6 × 8 = 8 60 –5 – 6 = 48 –7 6 so – 8 –9 6 140 × 18 = 10 8 –10 OX FOR D U N I V E RSI T Y PR E S S categorical variables that or on objects common Example: avours, data The can be different sor ted groups into based features. Within same size shapes and shape categor y of they the have cm A unit A combination of 3 letters 2 s trawberr y numbers or when remain include: choc olate centimetre even that ice - cream coordinates vanilla Shapes transformed. the variables congruent for measuring the that or show numbers location and on a grid 1 map. A length of smaller corner The edges a Also Example: B C items. Length is 80 of point shape known as a where or two object meet. vertex cm. Joshua Ryan corner Xavier circle graph A circular graph Peter Finn divided like into sections por tions of a that look pie. cross-sec tion circumference The or around the outside of a shape direction as common are the you the the of a denominator same. need in hands to To nd identif y a a that a through Moving sur face results from circle. making clock wise The distance straight a 3D cut shape. same clock. Denominators common multiple that denominator, that two or cube six A faces rectangular prism are of squares where equal all size. more 3 cubic denominators centimetre or A cm unit for share. measuring the volume Example: This is 1 of smaller cube objects. 1 cm 1 1 1 Example: + 1 + 2 4 4 2 = 8 + 1 exactly cm cm long, + 8 8 8 1 cm wide and 1 cm deep. 1 7 cm = cylinder 8 parallel compensation strategy A way of A 3D circular shape bases with and two one cur ved solving sur face. a problem make it that easier involves to work rounding with, and a number then to paying data back or “compensating” the same such Example: 24 + 99 = 24 + 100 – Information 1 = as questioning, that has number more than A two a is, a prime number that number factors, is not or methods obser vation. frac tion A way of writing a 6 number from 1 that through sur veys 123 decimal composite gathered amount. that separates fractional par ts any whole expressed as numbers tenths, 2 hundredths, thousandths and so on. 9 number. 1 10 cone base A that 3D shape tapers to with a a circular Example: 1.9 is the same as 1 whole 9 point. and 9 par ts out of 10 or 1 10 OX FOR D U N I V E RSI T Y PR E S S 141 degrees Celsius temperature 0°C is the boiling A against freezing unit the used to Celsius point and measure scale 10 0°C is the equal Having the same number or value. where the point. denominator The bottom Example: number in a fraction, Equal size Equal numbers which 3 shows whole how or divided many group pieces has 4 the been equation A where sides both written diameter of a through digital A straight circle the to the centre time line from a clock other, watch only and to indicate dot sides The of data group A way using into of dots triangle and equivalent process of 3 equal par ts, representing along A triangle with angles the same size. a line frac tions the same Different size in fractions relation to a that whole sharing with group. or remainders. plot + the or without 6 with minutes. or = = represent number 5 shown face division/dividing a + point. Time or 4 passing three numbers hours equal. one equilateral on problem into. Example: side are mathematical pieces labelled 1 2 3 4 2 4 6 8 estimate A thinking guess. with even number A number that can be divided variables. equally Favourite into 2. pet s Example: even face c at dog 4 and 8 are numbers The at sur face of a 3D shape. rabbit face double/doubles numbers or Adding multiplying Example: 2 + 2 = a two identical number 4 4 × 2 by = 2. 8 fac tor duration How Example: of about long Most 2 something movies have a into lasts. duration A Example: The side of a shape or the line faces of that will an object divide evenly The factors of 10 are plan A plan that helps 1 and 10 2 and 5 you to horizontally or where organise two number number. hours. nancial edge whole another or manage your money. meet. ip To turn a shape over edge edge ver tically. Also known as reection horizontal flip vertical flip 142 OX FOR D U N I V E RSI T Y PR E S S frac tion An Example: equal One par t out of of a two whole par ts or Example: group. or 6 + 7 = 13 13 – 7 = 6 can be reversed with 1 is shaded. 2 grams mass or of g A unit smaller for measuring the items. invoice A provided, including P r iy a’s Ta x Pet written g is 1 A visual way to cat food Tota l kg represent data and and ser vices any GST. Store pr ice of Unit price Cost 1 $50 0 $ 5 0 0.0 0 20 $1.5 0 $ 30.0 0 good s G ST graph goods cost Quantity Sia mese 10 0 0 of I nv oice Item Cat list their $ 530.0 0 (10%) $ 53.0 0 Tota l $ 5 8 3.0 0 or information. Pets Pets in our in our class isosceles class triangle A triangle with two 8 elpoep Cats fo 5 rebmuN Dogs 7 6 4 sides and two angles jump strategy of the same size. 3 2 0 Cats Dogs Rabbits Rabbits Type GST or Goods such as 10%, ser vices and that bought in Ser vices applies many to Tax most A of A way to solve number pet problems that uses a line by number place value hundreds, to tens “jump” and Cos t + $10 + GST goods Example: and 16 + 22 = 38 countries. (10%) = Amount you $0.10 = 2D 1 six 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 or kg A unit measuring the mass of sides. larger horizontal straight +1 shape for with +1 $10.10 kilograms A +10 pay 0 hexagon ones. tax, +10 Example: along Parallel with the horizon or items. going across. horizontal kilometres line measuring O r an g e frac tion numerator is A fraction where km long A unit distances for or lengths. Gr ove Glenbr ook improper or Wa y the S w im S w a n P a r greater than the denominator, such as a d e 5 km 3 2 L aw son reverse are U N I V E RSI T Y of 2 3 4 5 Operations that each Addition inverse PR E S S 1 other. alao K or 0 Dr i ve ev i rD –1 Dubbo y ba l laW –2 L an e y aW –3 operations subtraction OX FOR D be negative. – 4 opposite can alles o R inverse Integers dao R –5 number. y aW t a b m oW or whole um E positive A dao R integer are the and kite A two pairs the four- sided same of shape adjacent where sides are length. operations. 143 legend A on mean. a map key that tells you what the symbols millimetre thelength accuracy Par k Ser vice length of a The shape s t ation C ampground longest or Railway or of of mm ver y A t ype Today’s of measurements joins a plotted line. mixed temperature a 30 erutarepmeT with is or to use when impor tant. are 1 10 2 mm number in A 1 3 cm. number that contains both 35 ni data that items measuring object. C° graph small for dimension There graph unit Road cm line A whole number and a fraction. 25 3 20 Example: 2 4 15 10 5 0 multiple 10:00 12:00 02:00 04:00 06:00 am pm pm pm pm whole The number result by of multiplying another whole a par ticular number. Time litres the or L A capacit y unit of for larger Example: 10, multiples of The capacit y of is 8 and 10 0 are all doubles A way to add two nearly this identical bucket 20 5. containers. near Example: 15, measuring numbers by using known doubles litres. facts. mass How heav y an object is. Example: net a Example: metre the or m length of A of milligram mass 4.5 or kilograms unit larger mg lighter for 4.5 3D A at A unit or for to measuring is use when the + 1 when = 9 folded up makes accuracy 0 A line placed unit or A line 10 number to show to help 20 on which numbers can capacit y 30 their with 40 sentence order 50 A in our number calculations. 60 way 70 to 80 90 100 record for calculations measuring that 4 impor tant. mg mL + the 2L or shape 4 measuring system millilitre = grams be 70 0 5 objects. items measurements + shape. number of 4 of using numbers and mathematical smaller 1L symbols. containers. 10 0 0 144 mL is 1 litre Example: 23 + 7 = 30 OX FOR D U N I V E RSI T Y PR E S S numeral A represent a gure or symbol used to parallelogram number. Examples: 1 numerator – each one The 2 top – two number 3 in – pair of A four- sided opposite sides is shape where parallel. three a 3 fraction, which shows how many dealing with. 4 pieces you are pat tern of obtuse a right 18 0 angle angle An or 90 angle that degrees, is but larger repeating design or sequence numbers. Example: than smaller A than Shape pattern degrees. Number pattern pentagon with per right ve cent A 2D 2, 4, 6, 8, 10, 12 shape sides. or % A fraction out of 10 0. angle 62 or Example: 10 0 oc tagon A 2D shape 62 with eight odd number out of 10 0 sides. A number that cannot be is divided equally Example: 5 into and also 62%. 2. 9 are odd perimeter The 7 distance m numbers. around shape operation A mathematical process. the or outside of 6 a area. 5 basic operations are addition, Example: subtraction, Perimeter m = 10 multiplication and m The 3 four m 7 division. m + 5 m 6 m + 10 m + m 3 y m 6 + = 31 m 5 origin The point on a 4 3 pic tograph A way of representing data using 2 Car tesian plane where the x x - axis and y - axis 1 intersect. 2 3 pictures so that it is easy to understand. 4 –1 –2 Example: Favourite juices in our class –3 origin – 4 –5 – 6 outcome The result Example: The roll are a dice parallel lines distance apar t of a possible 1, 2, 3, Straight and parallel so 4, chance outcomes 5 or lines will parallel experiment. if you 6. that never are the same cross. not place value The on place a its M 2 OX FOR D U N I V E RSI T Y PR E S S value of a digit depending parallel in H Th number. T Th Th H T O 2 7 4 8 2 7 4 8 6 2 7 4 8 6 3 7 4 8 6 3 1 145 y polygon A closed 2D shape with three or quadrant A quar ter 6 of 5 4 more straight sides. a circle or one of the four 3 2 quar ters on a Car tesian x –5 – 4 –3 –2 –1 1 2 3 4 –1 plane. –2 – 4 –5 polygons not polygons quadrant polyhedron with at (plural polyhedra) A 3D shape quadrant faces. quadrilateral polyhedra not radius polyhedra of power of number is The number multiplied by of times a or 4 × 4 4 reec t itself. or × is 4 to the power of The circle to 2D distance its shape from with the circumference four sides. centre or edge. par ticular 3 Example: a Any To turn ver tically. a Also shape known over as horizontally ipping 3 ver tical 4. horizontal reection reection prime number factors – 1 and A number itself. The that rst has four just two prime re ex numbers are 2, 3, 5 and 18 0 prism same A 3D shape shape and angle An with parallel rectangular bases side of and 36 0 degrees Example: 1 1 ÷ rhombus prism prism prism the Example: chance or or likelihood outcome There is a 1 same spinner protrac tor will land in 8 2D length = 2 after dividing four sides, r1 shape and over with opposite sides all of parallel. of chance on angle An angle of exactly 90 degrees. red. An 9 0º 100 80 1 0 7 90 used 1 to 1 1 0 80 100 instrument A 5 left occurring. right this between size. amount another. hexagonal The An by rectangular event in number triangular par ticular is faces. one a that the remainder probabilit y angle 7 . 7 0 0 0 1 2 0 3 1 5 0 0 3 1 of angles degrees. 9 0º 3 0 size arms 0 0 2 1 2 0 6 1 01 07 01 in 1 the 07 measure 0 081 right-angled vertex one pyramid A 3D shape with a 2D shape as angle is triangle exactly 90 A triangle where degrees. a 9 0º base and triangular faces meeting at a point. rotate square 146 pyramid hexagonal Turn around a point. pyramid OX FOR D U N I V E RSI T Y PR E S S rotational symmetr y once symmetr y if while it ts being into A its turned shape own has outline around a rotational at xed least skip backwards centre p o s i tion Bac k to × the by Counting the same for wards number or each time. Examples: point. 1s t counting Skip counting by ves: 5, 10, Skip counting by twos: 1, 3, To a 15, 20, 25, 30 s t ar t 5, 7, 9, 1 1, 13 × • • × • × • slide • move shape to a new position × without ipping or turning it. Also known as translate 2n d round/rounding another easier number to work To that the change is close a to number it to to make it with. 229 rounded p o s i tion up to nearest 10 can rounded the OR down nearest 10 0 split way to represent large areas on round. involves Example: 1 cm scalene triangle no sides are no angles the are A lines = 5 A to shape that is A way to solve number problems splitting make Example: maps 20 by using ratios of smaller to larger measurements. radius per fectly strategy value sec tor 3D to that A A numbers up using place 200 230 scale sphere be + 10 them 21 + 1 + + easier 14 4 to work with. = = 35 m triangle same length where and + = + + + = equal. section and an of a circle bounded by two arc. 2 square centimetre or cm 1 A unit for measuring the area cm of arc smaller objects. It is exactly 1 cm 1 radius sector lines long and 1 cm cm wide. 2 square for measuring spaces. semi- circle Half a circle, bounded by an a diameter It is or the m A area of exactly 1 m unit larger long 1 m and arc 1 and metre m wide. 1 m line. semi-circle square being number multiplied The by result itself. The of a number product can be arc represented as a square array. 2 Example: diameter 3 × 3 or 3 = 9 line straight 18 0 angle degrees in An angle that is exactly size. 18 0 º similar whose size the shapes angles even sides OX FOR D remain when have U N I V E RSI T Y Shapes the same lengths been PR E S S the of changed. 147 strategy A way mathematics, one strategy Example: Jump to you to can get 32 + solve often the 27 a = problem. use right In more tessellation than formed answer. by together A pattern shapes without that any gaps. 59 strategy thermometer measuring 32 52 42 Split strategy 30 2 + + 20 + 7 = 30 + 20 53 54 + 55 2 56 57 + 58 7 The from taking another away number. of instrument for 59 = 59 one Also An temperature. three - dimensional subtrac tion number t A known as shape that dimensions has – or 3D three length, width subtracting, take minus. also away, difference between and width and depth. depth See vertical subtraction 3D shapes are not at. length Example: sur vey A 5 take way information by of away 2 is collecting asking 3 data or questions. time line time with 2 9 Januar y S chool Strongly A visual representation signicant events of marked a period in. 2 5 March 19 May 2 8 June 3 – 6 August E as t er S chool Mid - ye ar C amp holiday s pr o duc tion holiday s s t ar t s of 17 December S chool nishes agree Agree translate To move a shape to a new position Disagree without Strongly ipping or turning 2D shape it. Also known as disagree slide symmetr y has a A symmetr y mirror image shape when of or pattern one the side is other. trapezium table A way information to that organise uses only columns Flavour and Number Chocolate of one A set of parallel with four sides and lines. rows. people 12 triangular Vanilla 7 Strawberry 8 organised number into a A number triangular that shape. can The be rst four are: tally marks A way of keeping countthatusessingle lines with ever y fth line t wo - dimensional crossed to make a A term A number in a series or at The sixth term in shape that 2D has width pattern. two Example: or group. this pattern is 18. dimensions length and – width. length 3 148 6 9 12 15 18 21 24 OX FOR D U N I V E RSI T Y PR E S S turn Rotate unequal around Not Example: a having Unequal volume point. the same size size or Unequal value. numbers whole How much something is much space Example: This a of All volume of Example: width value How an A The 4 item whole shor test an object object takes up. has cubes. or group. shape A dimension whole of a group shape or wor th. object. Also known as breadth Example: This coin ver tex edges as a is wor th (plural of a 5c. This coin The point ver tices) shape or object meet. is wor th where Also $1. two known corner x-axis corner The coordinates horizontal or values reference on a graph Favourite straight At up a and right angle to the horizon elpoep ver tical or down. map. sports 16 12 10 rebmuN line or showing 14 fo vertical line 8 6 4 2 0 Rugby Foot- Basket- ball ball horizon ball Sport x-axis y-axis The coordinates ver tical or reference values on a graph Favourite ver tical addition A way of O 3 6 2 1 y-axis recording value columns make that lined calculation up place - ver tically + 5 easier. subtrac tion recording the subtraction A so way that of the 7 T O 5 7 2 1 rebmuN ver tical are so fo to addition columns are lined up – map. sports 14 12 10 8 6 4 2 0 Cricket place -value or showing 16 elpoep T line Soccer Net- Rugby ball Foot- Basket- ball ball Sport ver tically OX FOR D to make U N I V E RSI T Y PR E S S calculation easier. 3 6 149 ANSWERS 2 UNIT 1: Guided Topic a 80 241: trees planted 3 Teacher: practice b 38 633: c 31 17: d 322 aerobics dogs the to must 50 52 sdnasuoh T sderdnuH sneT senO 0 0 0 0 20 000 5 0 0 0 5000 3 0 0 300 8 0 80 4 4 neT sdnasuoht derdnuH sdnasuoht a 2 000: c e 10 102: percussion f 10 021: bells a 9307 a two b b thirteen 25 if necessary. g 1 19 h 1 1 986: i 3868: 967: 34 046 eight conga student 000 000. Using start each with of that either 51 other 3 the round 000 or digits the possible numbers are 51 in 269, 51 296, 51 629, 51 692, 51 926, 51 962, 52 169, 52 196, 52 619, 52 691, 52 916, 52 961. ( The line c hundred 102 and line dancing salsa dancing 309: advertising 1: actual population was 51 962.) sign Topic 2 701 Guided thousand, the numbers using gaps UNIT e 3 way The instruments number d 2 the list. scarf Write the j b at organises turn, 1 Look 1 practice sixty 1 thousand, four hundred c Now I need to: Answer 250 + 250 = 500 add 2 more 502 thousand, seven a 150 + 160 150 + 150 = 300 add 10 more 310 b 126 + 126 125 + 125 = 250 add 2 more 252 c 14 00 + 1450 14 00 + 14 00 = 2800 add 50 more 2850 hundred ve Independent 1 Find a near-double 252 + 250 e.g. twenty- eight and Problem and sixty-ve practice a 3000 b 8000 d 100 e 500 a fty-three 000 c 20 000 2 2 thousand, two hundred Problem Expand the numbers Join the par tners 252 + 250 200 + 200 + 200 + Answer and e.g. + + 200 + + + = 500 + 2 502 seven b forty- eight c twenty-nine thousand and thousand, ve four hundred a 66 + 34 60 + 6 + 30 + 4 60 + 30 + 6 + 4 = 90 + 10 100 b 14 0 + 230 100 + 4 0 + 200 + 30 100 + 200 + 4 0 + 30 = 300 + 70 370 c 1250 + 2347 1000 + 200 + 50 + 2000 + 300 + 4 0 + 7 1000 + 2000 + 200 + 300 + 50 + 4 0 + 7 3597 and twenty-ve d e one hundred and thirty-ve two hundred and eighty-four three ve 3 hundred hundred and and thousand, ninety-nine thousand, 3 a What is + 80 seventeen a 86 231 b 142 000 c 656 d 105 921 4 25 790 5 a 20 000 + 5000 + 100 + 20 + 3 b 60 000 + 3000 + 300 + 80 + 2 c 6000 d 100 105 + 84? + b 1 158 + 105 + Independent + 84 = 125 8 189 7 + 20 000 + 5000 + 300 000 + 60 000 + 90 + 976 531 b 136 795 c 796 531 d 351 679 c 236 356; two thousand, 154 009; hundred three one thousand Extended + 505? + Answer: 1 158 + 130 = 12 8 8 5 2 924 1288 + 80 + Using rounding 1 Answer: 2424 + 505 = 2 92 9 2929 and and hundred hundred Student may choose a different strategy Now I Problem Answer to the one suggested. to ask students Teachers may wish need to: 56 + 41 56 + 4 0 = 96 add 1 group) b 25 + 69 25 + 70 = 95 take away 1 94 c 125 + 62 125 + 60 = 185 add 187 d 136 + 198 136 + 200 = 336 e 195 + 249 195 + 250 = 4 45 2 take away 2 334 take away 1 444 3 nine practice f 1238 + 501 1238 + 500 = 1738 1 Number of dogs on a dog Spain People salsa dancing to add 1 how they arrived at one or the two of the a 134 b 125 c 371 d 2409 e 2950 f 2566 Students may choose to the one suggested. to ask students to a different Teachers explain strategy may (perhaps wish to the 1739 how they arrived at one or two of the 16 45 + 2000 = g 16 45 + 1998 number USA (perhaps answers. Record Activit y explain answers. fty-six fty-four to 97 thirty-six and and a group) Place 2424 500 4 a d is + practice it becomes: 6 What 24 4 18 9 2 000 800 c 30 4 1 e 130? 10 0 115 8 18 5 Answer: + is + 10 5 308 What 4 take away 2 36 4 3 36 4 3 a 163 b 21 1 c 2035 d 3906 3117 walk together 4 3 868 Problem Expand the numbers Join the par tners Answer together e.g. Poland People ringing bells together Hong People playing percussion Kong instruments together 10 102 Singapore People line dancing together 11 967 Por tugal People making a human 34 309 adver tising sign Mexico People doing aerobics at the 125 + 132 100 + a 173 + 125 100 + 70 + 3 + 100 + 20 + 5 + + 100 + + 100 + 100 + 70 + 20 + 3 + 5 100 +100 + + + + 298 257 b 124 0 + 2130 1000 + 200 + 4 0 + 2000 + 100 + 30 1000 + 2000 + 200 + 100 + 4 0 + 30 3370 5000 + 100 + 20 + 5 + 1000 + 200 + 5000 + 1000 + 100 + 200 + 20 + 30 + c 5125 + 1234 30 + 4 5 + 4 7000 + 100 + 10 + 4 + 2000 + 300 + 60 + 5 7000 + 2000 + 100 + 300 + 10 + 60 + 4 + 5 2000 + 500 + 60 + 4 + 4 000 + 200 + 2000 + 4 000 + 500 + 200 + 60 + 30 + 30 + 6 4 + 6 10 021 d 7114 + 2365 e 256 4 + 4236 6359 9 479 6800 38 633 same time 5 India Trees planted by a group in 80 241 USA People in a conga line 119 986 England The longest scar f ever 322 000 one day Teachers may wish explain (perhaps arrived at some to of to ask the the students group) how to they answers. a 903 b 2980 c 6027 d 4998 e 3501 f 1483 g 4998 h 5490 knit ted (cm) 150 OX FOR D U N I V E RSI T Y PR E S S Extended 1 practice UNIT a 2200 b 1500 c 4800 d 4500 e 8900 f 2200 g 600 h 200 000 a 3700 b 300 m c 800 a $1 b The 1: Topic Guided 000 4 practice 1 2 3 UNIT m km (800 000 ball (99c rounds 1: Guided 1 Topic m) to Problem Using rounding it becomes Now I need to: a 5 3 – 21 5 3 – 20 = 33 take away 1 b 85 – 28 85 – 30 = 55 add 2 c 167 – 22 167 – 20 = 147 take away 3 d 14 6 – 198 34 6 – add 2 14 8 e 1787 – 390 1787 – 4 00 = 1387 add 10 1397 f 58 4 0 – 3100 58 4 0 – 3000 = 28 4 0 take away 100 274 0 g 6178 – 3995 6178 – 4 000 = 2178 add 5 218 3 2 49 b 274 498 d 4866 a 86 b 284 c 425 d 917 a 386 b 4623 823 d Independent 1 a 123 d 123 456 543 75 120 e 700 Take away 1st Take away 2nd Take away par t par t 3rd par t Expand the number Answer a 257 – 126 126 = 100 + 20 + 6 257 – 100 = 157 157 – 20 = 137 137 – 6 = 131 131 b 5 4 8 – 224 224 = 200 + 20 + 4 5 4 8 – 200 = 34 8 34 8 – 20 = 328 328 – 4 = 324 324 c 765 – 4 42 4 42 = 4 00 + 4 0 + 2 765 – 4 00 = 365 365 – 4 0 = 325 325 – 2 = 323 323 d 878 – 236 236 = 200 + 30 + 6 878 – 200 = 678 678 – 30 = 6 4 8 6 4 8 – 6 = 42 6 42 e 999 – 75 3 75 3 = 700 + 50 + 3 999 – 700 = 299 299 – 50 = 749 249 – 3 = 74 6 24 6 131 practice b 1234 c 12 e 121 f 2332 i 1 1 1 l 444 c 815 g 34 h 456 j 2222 k 33 a 90 b 820 654 333 345 Independent 444 1 Students may practice choose a different strategy 6 2 from the one suggested. Teachers Teachers may 1320 e wish 2307 to ask students to explain a No. ( Teachers justify not a their may ask response, students e.g reasonable one + $100 the to to answer because $300 the two is + group) of the how they arrived to the at one or two of 4 $1000 + + $200 = $1800 b $1792 a 251 b 1065 c 1017 d 24 4 e 1 140 f 1543 g 4027 h 38 i 62 j 12 2 a 25 b 155 d 1236 e 3246 373 Students from the wish to to 070 the two 257 may one ask the choose c a 1 There are how to they strategy possible 335 Teachers explain arrived may 435. Look b 51 c 57 e 295 f 550 Answers ask (perhaps at one hour group) or 35 b 121 c d 2402 e 3323 a What for students who solve – how – 20 realistic and 309 addends 3 for 335 are 319 06 will + explain they 100 minutes. is and may (perhaps arrived solution say 95 at to the their start wish to answers. with other to the a round number 157 . The at by other adding solutions could is 1 number to each then be (101 158, 102 and 159, etc.). 400 systematically. The to or Teachers 423? and – vary. 422 the 3 will simple arrived 776 practice minutes students One 21 – problem at answers. 70 2 answers. a is the 75 1 or 3 explain a then answers: to arrived d 1 practice two they or number, Extended students how 316 different suggested. students group) of ask answers. Extended $200 to group) (perhaps one 3 wish may (perhaps d 145 practice a 47 200 = 14 6 2 3 c c 57 $1) Problem 2 Answer 32 Answers will count to vary. A simple solution is to 776 16 up $5 from $2.45 and the $2.55 of the item. applying the process 353 the + same 26 although 329 + give then Answer: answer. 776 – 423 = 4 Addends for 435 + 36 389 + 379 + 56 369 + 66 359 + 76 349 + 86 What is 487 + 264? Look – 200 students to 400. to the answers wish to ask are possible. 4235 check number, students to 487 – 264 = use a 5 Bill: 6 Teacher the total. An easy $7657 , What is 1659 – 3 are 3835. round of 397 giving an answer added of back 3838 to subtract game 1 and from add 1 the to solution average the second. the Then third and so The answer subtract game and 2 would for average from add 2 6 $7850 30 – 555 the for = 78 e.g. and 623 643 – – 545 565 = = 78, 78. Look for 500 who see the pattern of increasing the for of the tens by one. 16 5 9 the 112 9 115 9 average the Answer: fourth, 1659 – 536 = 1123 on. 4 is 123 Teachers may wish to ask students to UNIT 1: explain (perhaps to arrived at two one or the group) of the how 5 they answers. Guided d 5 U N I V E RSI T Y Topic 456. a OX FOR D Bob: check, 536? each 3 = to calculator 112 3 for 400 is 223 students to – strategy 28 7 633 rst simple Teachers c be A 487 2 27 Answer: to for rounding. 96 Multiple may – 60 223 339 price 46 4 2 the 3838 are: b 399 becomes 353 PR E S S $2.50 b $5.55 Teachers $1.25 e may $4.65 wish to explain (perhaps to arrived at two one or c ask the f of $7 .85 students group) the how practice $6.50 to they answers. a 43 b 22 c 65 d 33 e 1 15 f 1 10 1 a 49 b 1 16 c 219 d 407 e 6126 f 3094 g 1506 h 3998 i 22 j 18 k 33 l 567 529 247 187 639 151 Independent 4 practice 2 First multiply Then Multiplication by 10 halve it fact 160 80 16 × 5 = 80 Choice × 5 1 a 321 b 432 d 654 e 765 c 2 is Because a 16 40c a 1234 b 2345 c 3456 f 678 9 d 4567 e 5 678 g 9 876 h 876 5 a 1 1 b 22 b 18 180 90 18 × 5 = 90 c 24 24 0 120 24 × 5 = 120 + $6.40 1 1 1 222 c 33 + $51.20 d 32 320 160 32 × 5 = 160 e 48 4 80 24 0 4 8 × 5 = 24 0 total 44 444 55 e 555 66 f The + for 764 5 724 321 – 123 6 a First b Second c First 467 = 640 7 option: $102.40 + + year of + + $204.80 $819.20, the $3.20 $25.60 making + a number $1638. of Look for pages students is who Teachers 619 4 may wish to explain (perhaps to arrived at two one or ask the students group) of the how use to For they answers. a 180 b 1400 c 25 d 340 e 280 f 750 m g 104 h 360 i $17 .50 j 480 time-saving example, 48 × 48 × 5; possible 10 = 480. 240. Then 240 90 strategies. you you multiply strategy: Half of double 480 45 = = 90. 725 8 a 268 b 258 c 425 d 148 e 369 f 818 g 13 h 385 Extended 677 + are + 854 124 option: $1.60 666 5 option: + $12.80 total 330. 4 choice. the 333 3 d amounts 80c $409.60 3 better doubling, 543 4 -weekly 2 the of + = 330 practice 926 1 Extended 1 Multiple students 5 - digit 2 3 who must be The lowest are possible. understand numbers 999 that around three 10 999 – 10 000; 1 1 001 – 10 002 have 1 1 that a Look the and × 10 Halve it to nd × 12 120 60 possibilities are: 001; – 10 36 831 b 1 1 812 c 56 149 d 25 000 5 Add the two answers Multiplication fact 120 + 60 = 180 12 × 15 = 180 lowest 10 1 1 000 for difference 000 a 978 × 15 e.g. practice answers a 16 160 80 160 + 80 = 24 0 16 × 15 = 24 0 b 14 14 0 70 14 0 + 70 = 210 14 × 15 = 210 c 20 200 100 200 + 100 = 300 20 × 15 = 300 d 30 300 150 300 + 150 = 450 30 × 15 = 450 e 25 250 125 250 + 125 = 375 25 × 15 = 375 of 000. mm UNIT 1: Topic 7 30 UNIT 1: Topic 6 Guided 1 7 × 34 = 7 × 30 + 7 × 4 7 Guided practice 1 a b c d e 4 practice = 210 = 23 8 = 5 = 10 0 = 14 0 + 7 × 30 = 210 o t o t o t o h t o h t × 2 7 7 8 0 8 6 0 6 9 0 9 0 1 a 15 m b 22 c 45 t d $17 e 38 cm f 36 g $27 .50 1 4 4 0 1 1 9 9 0 5 × 28 × 20 + + a b (or c e 2300 f 4500 h 370 i $125 b c tens = 18 tens; 18 tens 9 × 2 tens = 18 tens = 9 × 3 tens = 27 tens = 270 8 × 2 tens = 16 tens = 160. 8 × 3 tens = 24 tens = 240 7 7 2 × × 2 3 tens tens = = = 5 10 0 × 40 practice 6 × 32 = 6 × 30 + 6 × 2 2 = 18 0 = 192 + 12 5 × 35 = 5 × 30 + 5 × 5 practice = 14 21 tens tens = = = 15 0 = 175 + 25 5 180 180. 40 3 d 20 30 2 3 × 1300 2700 × 5 5 6 1700 6400 6 8 m d a 28 8 $17 .00) g Independent 1 × $27 .5) 1400 = = L 1 3 5 40 Independent (or 8 4 o 2 10 × f 20 t 7 28 7 × 48 = 7 × = 28 0 = 336 40 + + 7 × 8 8 7 56 140. 210 a 10, 20, 40 b 24, c 30, 60, 120 d 100, 48, e 80, 160, 96 200, Guided 2 practice a 1 1 1 b 222 222 c 333 d 444 444 e 555 555 f 666 666 g 777 777 h 888 888 i 999 999 3 a $81.75 b $93.75 c $87 .30 4 a 340 b 280 c 480 d 640 e 810 a 360 b 368 c 475 d 624 e 555 f 855 400 1 a 172 b 195 c 1 1 1 333 58 320 d 64 4 e 152 a 250 b 568 3 Problem a 3 × 14 and 6 × 7 Product 2 42 b 5 × 18 10 × 9 90 c 3 × 16 6 × 8 48 d 5 × 22 10 × 11 110 e 6 × 16 12 × 8 96 f 4 × 18 8 × 9 72 c 759 d 975 e 2490 f 696 g 1425 h 6492 i 6360 j 8692 k 9856 5 Independent practice Extended 1 a 6492 b 6936 c 1 d g j 21 150 235 222 480 e h 36 978 1 19 260 f i 43 a 29 238 km c 184 94 4 e Yes, 100 b 44 178 km 076 181 km d 176 008 km 870 × 10 000 = 1 million. 633 (Exact 152 practice 7548 answer = 1 032 OX FOR D 600 km) U N I V E RSI T Y PR E S S 2 3 020 7 a 13 b 152 640 points c 130 464 points There is points more could Teachers may discuss how Students (6 51 × to solve wish to ask intend opt nd journey and Others may strategy to may 2) one to solve length multiply 8, and to 8 10, 12, 14, 16, 18, 20, 22, 24, 4 720 5 6, 9, 12, 15, 18, multiples 21, are 6, 24, 12, 27, Teacher 18, 30 to correctly multiples 24 to a 36 10 a UNIT distance double third the 13 02 by multiply 18 b 12 Extended 14. 6 51 by 14 1 answer. by 7 strategy days, could doubling be the to c 35 d 15 e are doubling two trips again for per the multiply answer day and return 1, b Possible answers include Look students who 6 51 2, 5, 10, for sensible because total UNIT distance 1: is Topic 18 228 45 f 1: a 1 ,2, c 1, 3, as 4, 8 b 1, 9 5 5, justication making a are 10 or 25. able to offer for their packet a 68 60 answers, size that shared by a 16, 24, 36, 52, 96 b 240 c 24, 30, 36, 90, 96 d 24, 12, 24, 3 1, 4 a 2, 9: 3, is 8 easily different numbers of people. b b 2, 4, 6, 8, 32, 48, 36, 1, 2, 3, ÷ 4 2 f 1, 2, h 1, 3 a 3, 6, 21, 24, b 6, 12, 18, 24, 30, 36, 42, 48, 54, 60 c 9, 18, 27 , 36, 45, 54, 63, 72, 81, 90 d 2, 4, 10, 12, 14, 4, 10, 20, 1: 50 or 9, 12, 15, 18, Topic 100 68 6, 8, 12, 16, 27 , 18, 78, 514, 1000, 16, 18, 16, 20, 24, 28, 32, 1234, 990 and 2 a No b 4, (e.g. 8, 2, 12, 6, 16, 10, 20, etc.) 24, should 28, 32, 36, 36, as 4 times 24, 32, 40, 48, 56, 64, 72, 3 80 14, 21, 28, 35, 42, 49, 56, 63, 70 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 4 5 Independent Teacher 1 12, to check, that 620, recognise multiples Teacher is a 428, to e.g. the multiple 340, check. 716, Look two of digits make 5, 15 b 1, 2, 4, 8, c 1, 2, 4, 5, e 1, 2, 7 , 14 a 23 (1 to apply the b 21 (1, 10, 20 d 1, 13 f 1, 2, & 29) and 4 criteria 3, 6, 9, & 23), 3, 26), (1, b 36 4 a 4: 5, (1, 29 7 , 21), 27 (1, for students about who are 6: 4, 4, 2, 2, 1, 1, (1 22 3, (1, 9, to in identify the 2, 1 1, 22), numbers given that meet 14: 7 , 6, 3, 4; 2 2, 1 14, 8, 4, 8: and 3, and 1, 2, 26 (1, a 41 1, 207 , c 702, 522 e 819, 693, ÷ 6; 12, 6, 2 28) 24 9, 3 12, 18, 36) a 32, 1, 2, 4, 8; common b 8, 1, 2, 8, d 14, e 9, 25, 12, c d f 36, practice 513 252 40 b 775, 630 d 888, 248 f 820, 990 b 36 36 e 32, 33 g 36 1, 2, 4, 8; 4 8: common factors 4 1, 5 The 13 and sum 16, 7 , 14; 1 3, 21: and So 69 84 ÷ ÷ 2 3 is = 20 the + 3 = same 2 23 as 18, Teacher 24, 4, 6, 50, 28, 32, 28, 27 , to 4 ÷ ÷ ÷ 80 2 2 1, 12; 3, 7 , 18: are 60, 36, 48, 35, 1, 36, 45, 65, 40, = = 84 40 2 ÷ 2 4 is 124 ÷ = 40 and 24 10 0 ÷ the + 2 = same 42 as ÷ 10 0 ÷ 4 4 ÷ 2 ÷ 5 4 24 ÷ 4 = = 25 So 124 6 122 ÷ ÷ 2 4 and 22 10 0 ÷ is = 25 the + 6 = same 31 as ÷ 10 0 2 2 22 ÷ 2 = = 50 So 122 11 14 5 ÷ ÷ 5 2 and 45 10 0 ÷ is = 50 the + 11 same = as 61 10 0 ÷ 5 5 45 ÷ 5 = = 20 So 14 5 9 ÷ 5 = 20 + 9 = 29 some practice students c 32, 40 this written strategy may the problems using and choose solve to mental some bypass or all of strategies. 40 a 14 b e 24 f j 18 c 12 g 29 k 17 d 13 19 h 19 its digits is divisible by i 14 a 1 17 b 12 l e 1 16 f 13 3. 1 12 c 217 d 425 318 g 1 17 h 1 14 21; 1 15 k 215 l 9324 common a Teacher 1, 2, 3, 2, 3 and 6, 9, last check, … because it … because the is by c … because it d … because all check, 75, 85, is e.g. 46 The and last you number can’t in i 337 j m 126 n a 87 an of 4 out of 46 so the whole not divisible by b Yes c Because d the by sum of the digits (12) 3. 2 4 1 All 2 Divisible does not of them end in a are only divisible by 3: 15, by 45, 6, 2 and of 5 end in zero 3 Divisible only Divisible by a Teacher by 4: both: 20, 4 8, 4 4, 72, 76, 92 to check, e.g. number divisible b PR E S S 1, 2, 3, 48 d 1 14 34 e 22 f 67 g 52 j 47 k m 98 a 14 r1 d 13 r2 g 1 16 54 h 85 57 l 93 n 79 b e o 25 92 r1 1 15 p c r3 15 f 99 r2 r2 6 by and the h 1 1 1 r5 i 317 55 r1 r2 j 45 r5 k 66 r1 l m 41 r6 n 43 r 7 o p 99 r1 55 r2 68 r3 96 Because it is sum of the practice an 1 even 5 c i Extended multiples 54 3. 81 is zero b practice number digits p is 72 the 4 49 4. 100 divisible of o number 3 56 even sum 1 13 18; 3 U N I V E RSI T Y 224 make 48 49, 63, digits e.g. b divisible to two 6 56 42, a or 2 7 factors 40, 24, 21, OX FOR D ÷ 20 3 39 of Extended 6 = = range. factors is 15, 3 3 31 groups a 60 3 2 are common 5 ÷ Independent the 12: 3 34 2, 7 actors d = as the 27) 6 c 4 by 2 are + same are divisibility 1 b 30 25) 2, 3, (1, 1, = the 4. Note: 2, 2 is 18 1 1, ÷ 412 learning Independent a ÷ 30 4 16 2 3 2 a f 28 ÷ of practice able d 60 table) 40 7 , 25 as 40 20 h c same 1 18 30 g 13, = 3 9 ÷ So number 2 the 2 = ÷ 80 9 e 3, 2 2 69 9 d 4 1, 10 practice (Students a is ÷ So 4 1 1 2 8 ÷ 60 96 6 7 8, Topic practice ÷ and 96 Packs of 1, 2, 4, 5, 10, 20, 25, 50 or 100 UNIT d 1, f the 20. practice 1, 8, of 8 e 4, that multiples can oval, km. g e and who left nally Guided 2 oval contains the 25 and 1 right in 28 c Guided the 4 trips. 2 The in area students of practice a such there for return and A 5 Look multiples 20 9 1 and of overlapping 30 Guided choose check. place it. the of 6, 30 Common that problem. students to double the then the 4, 28, 3, 3: use they 2, 26, than students 2: digits a 19 r2 b 24 c 24 r1 d 55 is r1 3. and 9 153 3 2 Students’ who use own answers. remainders Look for students appropriately and 2 1 a 3 4 1 1 7 donuts can be easily e f cannot) and that and cents. check shading 4 c 6 3 5 7 h 7 d i 5 dollars (or 1 whole) e 3 8 10 8 be divided into dollars 5 2 4 3 10 4 8 6 3 3 3 each 1 2 4 2 4 marbles each and one is left 4 a 2 , 5 b 3 5 5 1 6 7 , 5 10 10 10 10 1 3 9 1 1 1 1 1 8 5 4 2 3 3 3 3 3 10 8 6 4 3 4 1 a or 8 1 8 d 2 b 8 or 1 6 6 $6.50 3 2 2 2 2 5 The average is 161 ÷ 6 = 26 r5 a 8 6 5 + = 4 10 a 2 5 may opt to round up 5 7 a number, and this could be a 2 2 4 strategies that to solve the the problem. b 1 4 – 8 7 = 8 2 a or 8 > 8 5 2 i 4 6 1 d 5 13 or 2 1 10 3 6 3 e > 10 or 5 4 6 = 8 2 c < 2 3 5 b 4 5 f 8 h 5 6 1 4 2 2 < 4 f 10 3 students 6 choose 6 = 6 1 e 6 10 the 1 1 c 8 3 > g for 3 > 4 point. 9 Look = 4 7 useful 3 b 1 b 8 d discussion 1 < 4 the 4 3 6 Students 3 or 3 26.83. 1 2 e 3 6 e 10 over 10 c 10 2 5 1 1 b 8 d 9 b c c 3 6 a 1 a 8 8 3 can 7 b 5 2 4 marbles to a split g (whereas Teacher 4 5 that 2 c 8 d recognise 1 b who 6 Having 3 a 2 and b 8 4 Extended 8 practice 3 found the average number per class to c Student draws a diamond at 1 8 be around 26, students could Teacher 7 Teacher to check and to decide on level 1 of 3 a + total of the numbers check shading shown from 4 4 = 6 the to subtract 1 b 6 6 4 + 2 = 10 + 5 6 = 10 10 10 the accuracy. 5 number in the six classes (161 – 51). 2 The 4 a (or equivalent) b 10 a total of the four remaining classes Student should be 1 10. Appropriate might 24 + + to split class into 8 approximately equal d 4 10 sizes 1 9 f e 27 29 + 30, but there b are other equivalent) 9 c parts. be (or 6 the 3 rectangle therefore attempt should Student shades two 8 6 7 g 1 (or any equivalent 1 8 parts. possibilities. c 1 or 4 or 1 whole h 6 fraction). 8 4 4 a $33.33 the to (Students gure to reection may choose $33.35 but that total the this to round should would lead need Extended 1 be $100.05 for each person to a Students amount. A simpler solution might to take $33.30 each and 10c put in split and the that the guide rectangle divide the 2: Topic 3 into rectangle at the a 4th charity see UNIT will twelfths be should receive marks that practice to and 8th marks. box!) Guided practice 1 b Students shade of the rectangle. 2 3 1 a , 0.02 10 0 b Depending on the way the student splits 1 4 c and (or 3 the $100, an appropriate way of equivalent fractions). 7 12 b having 70 , tenths, 0.7 10 2 $33.30 could 1 1 be 1 × $20, × 20c 1 × 9 $10. 1 3 1 3 7 4 8 2 4 8 c 0 × $2, × $1, 1 and 1 × 9 , hundredths, 1 0.09 10 0 10c 26 d 26 hundredths, , 0.26 , 0.89 10 0 1 5 32 (3000 ÷ 96 = 31 r1, 31.25 or 31 , 3 so Students’ own answers. Look for students 89 4 e 32 boxes are who needed) demonstrate sizes by meet UNIT 2: Topic 4 1 is for teachers: questions, In students answering could some choose to of the criteria to the selecting of that paper 89 hundredths, fraction fractions 10 0 that 2 Student shades as follows: given. a any 40 squares b any 4 c any 15 squares d any 70 e 99 3 a 0.3 4 a check. unlikely fold Note accurately Teacher It understanding the more student will than times. six be able to b 0.23 equivalent value, e.g. c 0.03 the One write 1 of squares squares fold will divide the paper into 6 halves. 77 3 instead c 10 0 10 0 1 of 2 8 b 10 fractions squares Two folds will divide the paper into 6 s 4 Independent practice 1 Three Guided folds will divide the paper into s practice 8 4 1 a 0.004 10 0 0 1 1 1 Four 1 a b one folds will divide the paper into s 16 fth, 6 13 5 b 0.13 c 0.124 1 1 c one 1 third, d one Five folds will divide the paper 10 0 0 into s eighth, 3 32 124 8 1 Six 2 Student folds will divide the paper 10 0 0 into shades: s 64 2 1 a 3 parts b 3 Seven parts folds will divide the paper into a 0.125 b 0.008 c 0.087 d 0.002 d 0.022 e 0.099 s 12 8 1 c 2 parts e 5 parts d 3 parts Eight folds will divide the paper into s 5 25 6 3 25 5 1 5 b a 10 0 0 35 999 6 d 8 10 0 0 9 e 10 0 0 7 c 5 c 10 0 0 d 2 3 101 b a f 10 0 0 10 0 0 14 10 4 6 27 4 Student UNIT shades: 2: Topic 2 3 5 a 0.01 > 0.001 b = 0.003 10 0 0 a 3 triangles b 5 circles 25 c < 0.25 d = 0.125 f 0.003 < 0.2 10 0 0 c 2 stars d 4 hexagons Guided practice 125 e 6 10 0 0 Independent practice Teacher: Allow for equivalent fractions in any < 0.01 10 0 0 or 2 g all 1 0.02 > h 1 j 0.052 > 0.999 10 0 0 answers. a 19 1 2 3 4 5 5 5 5 2 0 1 1 a 2 1 quarters; b 3 eighths; 4 2 + 8 52 < i 3 0.19 = 10 0 0 10 0 0 = 8 8 999 k 2 b c 4 fths; 1 2 3 4 5 6 7 8 9 10 10 10 10 10 10 10 10 10 0 2 + 5 4 = 5 2 d 5 sixths; 5 3 + 6 2 f 4 1 – 3 0.043 l 0.999 = 10 0 0 6 2 > 6 1 e 0.430 5 = 6 a 1 = 3 3 c 1 2 3 4 4 4 0 1 Independent 3 d 1 a 2 + 8 1 2 3 4 5 6 practice 5 = 8 2 b 8 1 + 5 5 1 8 8 8 8 8 b 3 = 5 7 0 8 0 8 2 c 1 + 6 3 = 6 2 d 6 1 – 4 0.0 4 0 . 01 0.0 5 0.0 6 0.0 9 0 .1 1 = 4 4 e 3 1 2 3 3 0 1 e 1 – 3 2 = 3 c 3 0 0.0 0 5 0.0 07 0.0 0 8 0 . 01 f 1 2 3 4 5 6 6 6 6 6 0 1 g 1 0 1 2 154 OX FOR D U N I V E RSI T Y PR E S S 7 a 0.1, b 0.02, 0.2, 0.4, 0.5, c 0.001, 0.002, d 0.002, 0.02, 4 0.9 a Student shades 50 squares. 3 Description Quantit y Price per Cost 1 0,03, 0.04, 0.06, 0.004, is 0.07 the same as 50% 2 0.007 , 0.008 b kilogram Student shades 25 squares. Apples 5 kg $ 4.00 $20.00 Pears 5 kg $1.50 $7.50 Oranges 5 kg $ 3.00 $15.00 Bananas 5 kg $2.00 $10.00 Grapes 2.5 kg $10.00 $25.00 1 0.1, 0.2, 0.3 is the same as 25% 4 e 0.1, f 0.005, 0.1 1, 0.15, 0.2, 0.22 c 0.05, 0.055, 0.5, Student shades 75 squares. 3 0.555 is the same as 75% 4 2 Extended practice 5 a , 0.03, 20% 10 0 1 a 0.1 (Accept interesting 0.10. This could discussion prove point, an b 0.05, particularly c when decimals are used with 6%, 1 55 2 10 0 0.5 5%, Total: $77.50 10% discount if you pay by tomorrow. $7.75 money.) Discount: 1 b 0.045 d 0.04, e 0.07 , , 40% 4 Discounted total: $69.75 3 2 $0.05 70%, 4 11 3 a $0.25 b $0.08 c $0.15 d $0.75 e $0.20 f 0.01. 4 $30.25 5 Choice 10%, 10 0 6 (Accept $0.2. This could Student interesting discussion point 3 circles red, 4 circles 3 circles 1: Spoons and bowls. 100 spoons blue + and an colours prove 100 bowls will cost $5.50 plus $22.00 = yellow. $27 .50, when making a total outlay of $97 .25. 7 7 students f complete $0.80 4 2.9 5 a × 3 g question $1.15 , 0.7 , 8 $2.20 Student the b $5.75 $8.10 e c nal 9 Student diamonds and diamond 3 red, diamonds half green 2 yellow and would Choice half and + white. 100 2: generate Spoons cups $22.00, will a prot of and cups. 100 cost making a $5.50 total $52.75. plus outlay spoons $16.50 of = $91.75. 10 a colours 10 beads red, 5 beads prot blue would therefore be greater The ($58.25). $13.85 5 Topic 4 beads Student 3 2: blue 4 $13.20 and UNIT This colours diamonds = $7 .90 d 70% 10 4.) h yellow. colours 5 beads. 6 The 7 $5.00 GST + is $2 and $20.00 = the total $25.00 is $22.00 before GST. GST 15 b ( 4 ) , 0.75, 75% are white amount is $2.50 making a total of $27 .50 20 Extended 8 practice Furniture World Note: Teacher to decide the extent 1 equivalent fractions, such to which 1 10 as for , 10 Item are % Fraction Number Item Quantit y Table 1 Unit price $120.00 Chairs 4 $20.00 Cost 10 0 of fered expected in this topic. Box of 20 Guided practice 1 3% 1 50% a $120.00 10 2 $80.00 donuts 9 a 0.03, b , 0.09, Price of goods 9% $200.00 10 0 1 c Pack of 50 3 , 0.1, 10% d , 10 0.3, 1 10% b 30% 5 GST (10%) 10 $20.00 10 pencils 95 99 , e 0.95, 95% f , 10 0 0.99, Total: 99% Tin of 80 2 a $220 10 0 1 25% c 20 , 0.2, 20 4 cookies 20% Furniture For You 10 0 Student shades any 20 squares. Bag of 1000 15 b d , 0.15, any 15 squares. 2 0.75, Item Quantit y Table 1 Unit price $130.00 Chairs 4 $21.50 Cost marbles shades 75 , 10 10 0 15% 10 0 Student c 1 1% a 50 cm b 1 metre c 2 metres $130.00 $86.00 75% 10 0 Student shades any 75 squares. any 55 squares. 55 d , 0.55, (100 cm) (200 Total price of goods (including GST) cm) 55% 10 0 9 3 Student shades Teacher to check. beforehand Independent what Students they could predict will a Furniture b Furniture They could if also they experiment scale a to shape see 4 0% 5 0% 6 0% $220 You: less $216 $22 less = $198. $21.6 0 = what vertically Extended 3 0% For happen. $19 4.4 0 practice happens 20% World: discuss 1 10 % $216.00 70% 80% practice 9 0% 0 1 by a different scaling. 0 .1 0.2 0.3 0.4 0.5 0.6 0 .7 0.8 The percentage reporting to could the be horizontal done 1 $82 2 $20 ($82 3 Practical plus 10% or $8.20) = $90.20 orally 0.9 0 1 to 0 10 2 3 4 5 6 7 8 9 10 10 10 10 10 10 10 10 a group or on a separate piece of paper. 1 about activity. rounding Discussion and on what could to do be if held an 2 Fraction Decimal Percentage 0.05 5% 0.25 25% amount UNIT 3: Topic such as $34 is entered giving a pre- 1 5 GST a total of ($30.9090909). 10 0 Students could also be shown that, by 25 b clicking 10 0 Guided 75 sign c 0.75 75% 0.99 99% and dragging downwards on the + practice at the bottom right corner of cell B2, 10 0 1 $150 2 a $50 b $75 amounts can be entered in cells A3, A4, and 99 d 10 0 9 e 0.9 c $100 d $125 3 a $21.50 b $43 c $10.75 d $107 .50 4 a $215.00 b $21.50 5 $42.50 so 90% 4 10 4 f 0.4 4 0% 0.1 10% on. $9.09 10 1 g UNIT 10 c 4: Topic 1 $193.50 2 h 0.02 2% 0.3 30% 10 0 Guided 3 i Independent 10 practice practice 1 j 1 1 100% 1 $7 .50 2 a 1 k 0.5 50% 0.01 1% 50%, a half, 0.5 b $25 Position 1 2 3 4 5 6 7 8 9 Number 1 3 5 7 9 11 13 15 17 2 1 2 l 10 0 3 a true b false c false d true e true f true g false h true i false OX FOR D U N I V E RSI T Y PR E S S a Position 1 2 3 4 5 6 7 8 9 Number 100 98 96 94 92 90 88 86 84 Rule: The each time. numbers decrease by two 155 c b Position 1 2 3 4 5 6 7 8 Start of 1 1 1 Number 1 2 1 2 1 3 2 2 sticks 5 sticks. by 5 for Increase each new the number 7 pentagon. Squares: ask 31, student hexagons: to share 51. the ( Teachers strategies could they 1 4 3 2 with 9 4 2 used.) 2 Number of Rule: The each time. numbers increase by a 1 2 3 4 5 10 15 20 pentagons half Extended practice 1 5 Number of a 1 out c 20 e 800 of b 2 d 200 sticks 3 Number 12 15 Is it even? YES ÷ 2 NO, –1, ÷ 2 6 a Start of with sticks 4 sticks. by 3 for Increase each new the number (1000 – 200) square. 2 Answer: 6 7 Is it even? YES ÷ 2 NO, –1, ÷ 2 Number Number of of 1 2 3 4 4 7 10 13 1 2 3 4 5 6 7 8 9 10 4 8 12 16 20 24 28 32 36 40 cars squares Answer: 3 3 Is it even? NO, –1, ÷ 2 NO, –1, ÷ 2 Answer: 1 1 Is it even? NO, –1, ÷ 2 NO, –1, ÷ 2 Number Number of b Start of Answer: 0 of wheels sticks with sticks 6 sticks. by 5 for Increase each new the number 3 hexagon. a 100 b 400 c 1000 d 4000 a 200 + 2 spares for 50 b 400 + 4 spares for 100 c 1400 + 14 spares for 350 d 5000 + 50 spares for 1250 0 4 cars = 202 Number of 1 2 3 4 cars = 404 hexagons 4 a 4 b 6 cars = 1414 Number of 6 11 16 21 cars = 5050 sticks Independent 1 practice a Term 1 2 3 4 5 6 7 8 9 10 Number 5 9 13 17 21 25 29 33 37 41 UNIT 4: Topic 2 b Term 1 2 3 4 5 6 7 8 9 10 Guided 1 Number 2 a 0.8, 1, each 3 , 9.5 1.2, 9 1.4, 8.5 1.6, 8 1.8. 7.5 7 6.5 Increase 6 by additions: 1 4 4 , 0.2 All multiplications: 2 a The the 1 3 5 2 , 6, 6 4 yes All subtractions: All divisions: 6 60 ÷ 5 ÷ 2 7 12 + 2 + 12 8 15 ÷ 4 = 9 Multiple answers asked use no 5.5 time. 3 b 10 practice All answer order of is yes the the same if numbers you for no change addition and 4 to ÷ 15 possible. calculators to Students check could be answers. 1 , 7 . 4 The Look multiplication. numbers for students who use a variety of the 2 3 increase by each time. b 4 The answer change the is not order the of same the if four you numbers Extended 22 (5 steps) subtraction and to balance the equations. for 3 Number operations practice division. 1 Is it even? YES ÷ 2 Answer: 11 Is it even? NO, –1, ÷ 2 Problem 1 Independent 1 Students could effective strategies. Answer: 5 Is it even? NO, –1, ÷ 2 e.g. Answer: 2 a 15 c 5 those Is it even? YES ÷ 2 Answer: 0 where + × 5 2 + × be asked 14 discuss are are found 37 b 23 + 7 + 19 = 49 140 d 4 25 × 13 = 1300 × a 14 – 13 + 7 = 8 14 + 7 – 13 = 8 b 49 25 – 24 + 49 = 50 c 35 – 10 + 25 = 50 35 + 25 – 10 = 50 d 175 – 50 + 25 = 150 175 + 25 – 50 = 150 the solutions sums = = to Easiest rounded 17 Students could be asked to discuss – 24 + 25 = 50 rst, 2 2 Problem 2 practice Teachers may students understand wish to ensure that the the the order of operations problems. before 4 a Step 1: 50 ÷ Step 2: (25 2 = they a 10 & 10 b 18 & 18 c 5 & ÷ 5) the activities. ÷ 2 = Step 3: 10 Step 4: (5 Step 1: (125 Step 2: 60 ÷ 2 = 30 Step 3: 30 ÷ 2 = 15 is deliberately missing 2 = 5 5) ÷ 5 = 0 5) ÷ 2 = 3 a 2 b 4 Note: Accept numbers, b – 3 c variations e.g. 26 – 14 using 5 a 4: (15 Step 5: (5 Increase – – 5) 5) the ÷ ÷ 2 2 = = new = 12 the or 72 ÷ 9 = 8. a 7 + 2 × 3 = 13 (7 + 2) × 3 = 27 b 10 – 8 ÷ 2 = 6 (10 – 8) ÷ 2 = 1 Multiplication and division Addition Subtraction Multiplication Division sentence sentence sentence sentence c 15 ÷ 3 + 2 = 7 15 ÷ (3 + 2) = 3 d 10 × 5 + 15 = 65 10 × (5 + 15) = 200 5 of sticks by 4 a 14 + 12 = 26 26 – 12 = 14 9 × 8 = 72 72 ÷ 8 = 9 b 35 + 15 = 50 50 – 15 = 35 25 × 4 = 100 100 ÷ 4 = 25 for diamond. Teacher of Number of 1 2 3 c 22 + 18 = 4 0 4 0 – 18 = 22 15 × 10 = 150 150 ÷ 10 = 15 d 19 + 11 = 30 30 – 11 = 19 20 × 6 = 120 120 ÷ 6 = 20 problem, then 12 Start of 5 with sticks 6 by sticks. 6 for Increase each new check, 3 is e.g. means Because that, multiplied in by 5 the the order rst the answer is problem, 4 added rst and is to 4. In added to 3 the rst and 16 sticks b the second Number of 8 to operations 4 diamonds 4 Problem 2 same 0 number 5.] 4 3 each from Year 60 Addition and subtraction Step for 10 Problem 1 – [“O” 5 BODMAS – complete 25 number hexagon. a 4 × 2 = 2 + 6 b 18 ÷ – c 16 ÷ 2 = 2 × 4 d 24 e 40 ÷ 2 = 4 × 5 f 9 g 2 h 50 i 30 × 7 = 8 + 6 × = 14 2 – 2 = 20 3 = 3 36 = + + ÷ 5 the 6 7 4 a 2 × sum multiplied Teacher 4 × $4 6 is 2 to rst twice check, would and by 5. e.g. Because mean this did that not doing Tran lost happen. Number of 1 2 3 4 ÷ 3 = 100 ÷ b 10 – 4) × Teacher (10 to check 2 hexagons 5 scenario, but it must Number of 6 12 18 24 suit the sum of 12 and 6 divided by 3. sticks 156 OX FOR D U N I V E RSI T Y PR E S S 2 UNIT 5: Topic d b centimetres & metres c centimetres & millimetres d metres A = 6 cm 2 , B = 4 cm 2 , C = 6 cm 1 2 Guided & Total e kilometres the Allow +/– 4 mm for each shape (at 16 Student practice 9 = cm to area. use This 2 12 1 9 cm 2 a 8 cm 3 a 7 cm b 4 cm c 7 cm a 2.2 cm × 1.6 cm. P = 76 mm b 2.7 cm × 2.3 cm. P = 100 or 7 .6 + 2 1 mm or 7 .1 cm b 4 cm 5 mm or 4.5 cm c 6 cm 7 mm or 6.7 cm c 2.9 cm × 1.6 d 1.5 cm × 2 mm or Discuss length each reasons with for tolerance students. cm. P = 90 mm or 10 9 Allow in +/– + 2 cm 16 cm 2 = 16 cm or mm or 3.7 2 cm = Student to area. use This = 60 cm mm or × 6 2.5 own strategy could cm for Extended & 2 cm 16 cm 12 cm cm. 2 + 4 cm + 8 cm 2 2 = 20 cm = 20 cm 2 6 cm 3 mm or 6.3 cm c 9 cm 4 mm or 9.4 cm to reasonable cm activities. practise The main level of drawing aim accuracy. lines is UNIT for It is with 5: Topic 3 a doubtful Guided that 100% accuracy will be obtained practice and 3 1 teachers check, and e.g. Because it is length. a cm the opposite sides are discuss the b 12 3 b 2 this cm c with students. Set 3 cm c 8 cm reasons squares could be 3 available for these 2 tasks. d 8 e 8 a 600 cm mL b 2 cm L c 300 mL d 8 L the A variety 14 18 to cm a 3 same wish 4 3 made rectangle may a practice for to or 2 cm b Teacher nding practice Practical students Independent for be measuring 0.1 1 7 8 cm line. cm + 2 P 2 nding 2 cm 2 cm the 1 for be cm f 3 to 2 cm 2 a strategy likely discretion). 8 4 own is teacher’s 16 cm 5 of answers mm, 14.5 are cm, possible, 145 mm including 3 and Answers will vary, e.g. a milk carton cm 0.145m Independent 3 a 4 Teachers one b 14 cm (4 × 3.5 practice cm) 4 The total length of the line should be 3 1 will probably wish to have further 15.5 cm. This could also be written a 10 cm d 16 cm 3 b 12 cm e 28 cm 3 discussions perimeter about with tolerance students. when For measuring example, 155 we allow 4 times +/– 1 mm for each mm or 15 cm 5 2 Students should see that, since the Students that all regular, they need to multiply 2.5 cm × 2 cm. P = 9 cm of lines: given length by the number of 63 mm or 6.3 cm × 1.5 cm. by of lines: P = 10 2.5 cm square. Number d 2.5 cm of all P lines: sides. be aware prism discovering how many can cubes t on one number layer, (the and nding volume of a multiples single b 264 c 1 14 mm or 26.4 cm by the total number of layers). In 2 mm or 1 1.4 cm = 10 words, because the number of cubes of d 168 mm or 16.8 e 175 mm or 17 .5 cm the same on the every layer, they are leading 1 P lines: is cm = 7 .5 cm towards the formula of V = L × W × H. cm 3 Number of layer cm other c stage rectangular sides. multiplied Number this a cm that 3.5 by of 2 a b should volume found will Number the the be a cm shapes side? are 20 3 mm. should 5 3 c as a 16 b 16 3 a 9 b 4 4 (See 3 cm c 24 cm c 36 cm 1 3 Students will hopefully see that the most time- UNIT effective way was to measure two sides 5: Topic 2 note A and B and one side of C and for question 2, above.) Teacher to of check, Shapes e.g. because the box will hold 2 rows D. of Guided 4 cubes. practice 5 Centimetres Millimetres 3 2 1 a 20 2 cm b 25 5 2 cm c 16 a 16 cm c 32 cm 3 b 24 cm d 40 cm cm 3 a 2 cm 20 mm b 7 cm 70 mm 2 d 16 a 8 d 18 2 cm e 18 cm b 12 cm e 12 cm 2 2 2 cm 2 c 9 cm 90 mm d 3.5 cm 35 mm 7.5 cm 2 rows of 5 cm 10 rows of 5 cm Metres c 3 d 14 cm f 30 cm 15 b 3 L 3000 mL c 9 L 9000 mL d 5.5 L 5500 mL e 2.5 mL 2500 mL f 1.25 L 1250 mL g 3.75 (0) L 3750 mL cm rows of 7 cm 2 = 21 cm Centimetres 2 a 2 m 200 cm b 3 m 300 cm 2 e 15 cm g 25 cm 2 2 Students 2 could use centimetre 2 c 2000 mL 2 = 2 6 millilitres 2 L cm 2 3 litres a 2 = 75 mm b 7 m a 10 cm d 20 cm g 36 cm grid overlays. 2 b 6 cm e 28 c 15 cm f 16 cm 700 cm 2 1 d cm practice 2 e a 9 2 cm Independent 1 6 2 c 3 2 2 cm 7 2 500 cm m or 0.5 m a 2350 b 0.35 mL, 2 L 400 2 mL, 2.5 L 1 L, 450 L mL, 2 3 1 e Students could be asked to share strategies 3 950 cm m 9 c 1 d 20 2 L, 1.8 L, 1850 mL 4 for nding the areas with their peers before, 1 during 7 Kilometres or after this mL, 200 L mL, 4 activity. Metres 2 a a 2 km 2000 m b 4 km 4 000 m c 5.5 km 5500 m 12 2 cm b Extended 32 cm 8 D 9 a (600 1 mL) fruit juice Amount: Teachers may wish to discuss the formula the area of a rectangle with students have 9.5 km 9500 m e 8.5 km 8500 m demonstrated a complete understanding activities apple drink 2 orange on the previous drinks 1500 mL of c the 1 mL who Amount: d 800 for b nding and practice 1 water and 1 apple drink pages. Amount: 975 mL. Teacher to decide on 2 1 a 5 cm × 3 cm = 15 cm b 4 cm × 2 cm = 8 cm c 3 cm × 3 cm = 9 cm a A = 4 = 12 b A = 10 an acceptable level of accuracy. Shading 2 8 Teacher to check appropriateness should come close to, but below, the of 2 answers. Students could be asked 1-litre 2 justify their answers a responses are possible centimetres & to but their peers. likely millimetres mark. to Varied responses are: 2 cm 2 , B cm 2 cm , = 12 2 c A = 6 cm 2 , Total cm , 16 cm 2 Total 2 , = 2 B B = 8 cm , = 22 cm 2 C = 6 cm 2 Total OX FOR D U N I V E RSI T Y PR E S S = 20 cm 157 Extended 3 practice Answers may students to vary. justify Teachers their could responses. ask 2 Likely a 1000 b 1530 c 1420 d 071 1 e 2148 f 191 1 g 0948 3 1 a b (See 30 cm answers: answers question 10 2.) cubes to Independent Answers will t on will the vary, e.g. are three layers bottom like that. layer 3 volume is 10 So, a D c C or B b D d A, 3 Teacher B or C is for 8 d 100 × 3 = 30 b 36 cm e 72 cm 3 b a 1 student to important convert thing here accurately kg 50 0 g 850 between am/pm Teachers may and 24 -hour times. g wish to encourage to use “o’clock” students times. 3 c 160 f 27 cm 3 cm the cm 3 cm The 3 cm 3 a 0029 check. and the not 2 to Because 4 there h practice, 0 0 kg kg 4 Starting time 12 3 1 1 1 cm 2 10 1 50 0 3 Practical activity. Teachers may wish to 2 3 9 2: 2 0 use this task for a small or large group 8 activity. It is likely, with normal classroom 7 c d 1 .6 equipment, exactly 20 that mL 20 of cubes water. will The not for 6 3 kg 3 kg 4 displace reasons 5 Finishing this time 12 1 1 (e.g. inaccuracy of measuring jugs) could be 0 50 0 used to promote useful discussion. As 0 50 0 kg 5 an 3 activity, if available, a 1000 10 1 kg 2 cm 4 1 3 9 50 0 50 0 extension 2 50 0 3 : 0 5 2 8 4 50 0 3 50 0 7 cube could container. be used This approximately is 1 with more litre a 5 6 displacement likely (1000 to displace mL) of water. 5 a Truck b Trucks B, Truck D, Truck C, Truck A 5 D, C & 12 a 1 1 1 3 :3 7 B 2 10 UNIT 5: Topic 4 c Trucks d True B & (9.05 C 3 9 t) 8 a m/p m 4 7 3:37 Guided 1 Answers will vary. write appropriate apple A Look for students responses. For pm 5 6 6 24 - hour who 15 3 7 example, practice a kilograms b grams c tonnes d milligrams appears to be of a the lightest and b 12 the others to be similar weight 1 1 1 to 1 0 :4 3 2 10 each other. A simple solution would be 3 9 2 a to Tonnes subtract 100 g from 500g and choose Kilograms 8 masses such as 132 g, 133 g a m/p m and 135 g 4 for 7 10:4 3 2 t 2000 kg 4 t 4 000 kg 1.5 t 1500 kg the other three pm 5 6 24 - hour apples. 224 3 3.5 t 7 a 4500 c 15 8 Yes kg b g 350 d 35 g c kg 7 : 2 8 12 1 1 1 (total = 1983 kg or 1.983 2 t) 10 a m/p m 3500 kg 3 9 Extended practice 7:28 8 1.25 t am 4 1250 kg 24 - hour 7 1 a Blueberry, strawberry, peach, apple, 5 6 0728 pear, b Kilograms lemon, cabbage, pumpkin Grams b 2 kg 2000 g 724.84 d Apple f 219.72 kg c 3.165 e 4 kg (231 g × 4 = 924 8 :3 7 12 d g) 1 1 1 2 10 5 kg 5000 g 3.5 kg 3500 g g a m/p m 3 9 2 a 39.122 kg b 20 (800 ÷ 40 = 8:37 20) 8 am 4 24 - hour 7 3 125 g 5 6 0 8 37 1.25 (0) kg 1250 g 0.5 kg 500 g Grams Milligrams 5 g 500 mg 6 UNIT c 5: Guided 3 g 3000 mg 1.5 mg 1500 mg 1 2.5 g 2500 mg 0.5 g 500 mg Topic a 10 am b 1 c 18 minutes d 50 e 1 practice f Answers a 9:10 am b 4:50 pm c 1 1:25 d 1:12 pm e 7:19 am f 3:47 g 2:22 am check clocks and pm 7 pm a 0315 b 1515 c 2127 d 0927 hour and Extended 2 Teacher to to decide of accuracy for placement of 42 minutes may vary, minutes (102 e.g. minutes) 14 40 practice on 1 degree pm 5 a 23 minutes c 2 minutes e 1 hour f 1755 g 1550 b 2 d 12 minutes hour minutes hand. 3 a c 200 g 1200 b g d Independent 600 g 1900 a 8:35 am c 1 1:26 b 6:20 pm d 2:47 am 50 minutes g pm practice Independent or 5:55 pm practice 1 Kilograms Kilograms and fraction and decimal and grams kg 1.5 kg 1 kg 500 g kg 2.25 (0) kg 2 kg 250 g kg 4.75 kg 1 2 t h gin di M 1 a 1 b 2 2 1 4 am 10 pm t h gin di M Kilograms Noon 1 am 3 c 4 4 kg 750 g We dn e s d ay We dn e s d ay AM PM 4 Tue s 3 d 1.3 kg kg 1 T hur s 1 kg 300 g 10 12 0 0 2 158 a 3 kg 500 g, 3.5 kg b 2 kg 400 c 4 kg 750 g, 2.4 kg g, 4.75(0) d 1 kg 200 g, kg 1.2(00) kg OX FOR D U N I V E RSI T Y PR E S S UNIT 6: Topic Extended 1 1 Guided 1 a b shades Teacher a right-angled b a regular to Shapes check A, C reasoning, and not a polygon because c a trapezium have d a rhombus straight not a does Students’ is because two of (Students more will probably and practice guidance on the page than allows.) on answers. the Look features for and students properties of a rectangular b triangular prism prism polygon and who describe it in such a c triangular pyramid d square the that it could not be any other shape than pyramid cross not a polygon because it is an one described. Teachers may wish to 2 open their a quadrilateral b octagon c hexagon d triangle 3 students peers Answers include 3 practice activity. much space own focus have e Practical need share their descriptions in a may (but “Guess vary. not my The shape” be a an rectangle c a oval game. information necessarily a b with shape 2 pyramid sides polygon the E Extended triangle triangular not way sides b e.g. it the is cube F who D isosceles a hexagon 1 2 is a practice Student B 4 practice rectangle might restricted to) pentagon Student shades Student draws D, E, G stripes and on following: It a UNIT H A, the B, C, F , I and J is ve regular equal angles Independent shape. sides are It and obtuse. is ve a pentagon. equal There are It angles. the no parallel lines 1 Practical activity. matching Guided the Students names to should the focus practice shapes and variety artistic of polygons ability. used Students rather could a obtuse b acute c right d reex e straight f full on Teacher to check. task UNIT using 6: a drawing Topic tool complete on computer. a Look are to articulate for students who than also able mathematical this turn on 2 the 1 shape. 1 4 Topic the practice in 7: has All it is a straight bigger it looks a than a angle” , bit their language like right angle rather the reasoning such than one at as, using “Because and less just “Because the top of than the 2 page” . 3 Guided practice Teacher the right 1 2 a Isosceles b Scalene and a rectangular c triangular e hexagonal 3 Scalene and d Isosceles prism square d pentagonal f triangular octagonal prism Independent practice 2 Teacher to check, the faces are 50 º b obtuse angle, 120 º c obtuse angle, 145º d acute Teachers angle, will all the probably for beforehand, not 25º wish estimating an to discuss angle’s size at should make a reasonable attempt at features b the practice a strategies all decide for e.g. appropriate level of accuracy required. Students a to prism triangles T eacher to check and to decide on the 1 and accuracy angle. Independent right-angled right-angled drawings acceptable pyramid right-angled and check of pyramid 1 2 c prism b right-angled g and prism to level faces are such as comparing it to the at size such as equal side lengths and a right angle. of a known angle, e.g. a right angle. 2 4 a irregular quadrilateral c rectangle e rhombus b Number Number Number Name of 3D of faces of edges of shape Note that these are drawn close to, but not parallelogram d necessarily exactly the same as any of the square ver tices options ( Teachers may need to practice triangular students aware of the convention for a 4 6 f sides of equal measuring 5 9 a may vary. greater Look level of for students observation a 40 º c acute than is making wider comments such than the or other.” 8 3 e right See the sides.” Encourage students on the features properties 15 10 wish (observable (identication knowledge) angle, note to They are * 3 2 0 cylinder for those useful such has both any regular shapes. by faces may and wish edges to discuss with what students is One is obtuse angles four-sided three-sided. One f question obtuse 2 estimation. students of their discussion. listed here to angle, above 1 10 º about Teachers share their may estimates peers; this Possible can promote estimates as the next activity are involves activities. In theory, a face is a at has and the right angles an edge is However, the this place where makes two surface faces describing a the angles. Look for students the take into account the type of angle and they estimate to prevent, for example, meet. estimates is 140 º 20 º meant prior as Differences: angle, as: who shape 90 º in have measuring other angle, acute attributes) Teachers Similarities: Neither obtuse d requiring not mathematical a b prism e and 60 º pentagonal 7 to with focus give before 5 “One d sloping to it. angle, strategies “One has is size square 5 pyramid as, this angle’s who and c reection for an 6 prism show reason triangular trapezium Answers The estimating length.) b 5 in 4 pyramid marking listed. make cylinder of less than 90 º for an obtuse very angle. and b the other Similarities: There are They sides. One match and are the has same Similarities: In each angles. both lines One the acute are parallel Differences: c has has in both two opposite other has difcult. quadrilaterals. shapes. pairs angles no of shape all condence that angles are both sides a be 3D wise shape when to in accept order describing faces to 3D give as the students shapes. 3 3D shape Number of bases Base shape Side face shape The object is sit ting on: Square pyramid 1 square triangular the base that a the may of parallel size. They It surfaces quadrilaterals. are the b Triangular prism 2 triangular rectangular a side face c Triangular pyramid 1 triangular triangular the base d Rectangular prism 2 rectangular rectangular a side face same length. Differences: The other each OX FOR D One has has four opposite right angles angles. that match other. U N I V E RSI T Y PR E S S 159 4 Teachers will acceptable probably levels of measuring angles. to students give the wish to accuracy T hey may the 2 discuss when also wish information Teacher that the sizes of all the angles are to check of a 60 º b 100 º c 100 º d 120 º e 140 º f 135º g 85º h 15º Teacher that matches rst pentagon to check. Teachers acceptable levels may of wish accuracy the is and drawing. Look a for description For translated diagonally. The example, vertically three “The and shapes also are then to translated discuss terminology 5 º. reected 5 description. in appropriate multiples horizontally across the 3 page” . a order 3 b order 4 c order 4 d order 2 e order 6 f order 3 g order 2 h order 5 when 3 students are for students an obtuse drawing who angles. draw an Look acute rst and Teacher then to check descriptions, e.g. 4 angle and then at the level of a The shape is translated horizontally True ( The measure Students each Extended could other’s be encouraged to b The rst and then shape is reected horizontally vertically. Teachers share their may wish to ask students Extended 1 practice 320 º. for nding the size of reex The rst shape is rotated on the top row angle, i.e. 360 º protractors less may be b and this strategy use the that one could in the be used. Another Practical example at the top page. A third is to to that has add 180 º been to extend the can line of the activity. the base size of the third Look for students 300 º 320 º who the shape describe itself reasonably the accurately c transformation 260 º d half as The a zero which appropriately. Groups of students of the the strategies t wo could size of for angles discuss the estimating and 270 º 1 & 2 2 practice Practical angle T he size for or Depending the sizes the c alculating that of a on the time available A ngle is not A ngle A to is B the of explain is 4 5 º. second the that Look they for angle known by angle found level of activities be ability could modelled 13 5 º further students the subtracting from size of the form lesson or students, part be a of a Topic extension, with a simple a 2 a up to line of of the vertical line symmetry.) drawn innite as a circle, number of lines of the vary, are depending on how drawn. springboard exploration drawing V, answers W, are B, C, D, E, I, K, M, Y these b Order 2 c Z N and and both have rotational symmetry to order 2 creativity Depending on how they are drawn, the program. • size could Line U, 8: Topic 2 be: V, symmetry: Rotational • Line Teacher to A, B, C, D, E, N, S, Z K, M, T, O, X W. • & symmetry: rotational symmetry: H, I, check. 1 practice 1 Student 2 Students colours Shapes A, at one C, D, F , H and J. practice draws least of the following UNIT 1 width be an will latters U, 18 0 º. Guided Guided way opt teacher- 3 8: also of UNIT UNIT the can Answers lists who may and d and vertical activities of measured. a half symmetry. T, share (Students further has Possible 3 as is angle Extended c drawn line created. b number. include who the a be symmetry is pattern and “1” The of and the digit line. is transform to The 40 º. available 4 one practice the second row in an anti-clockwise direction. 360 º shape to row. This shape is rotated along the 2 the a and reected vertically onto the second strategy gives 1.) vertically. drawings. c 1 position and order accuracy. starting rotation b reection c 8: Topic 3 translation on each shape: a Guided 1 b A B C D E F G H I J practice a b c d e f c d Teacher on e an to check drawing appropriate level of and to decide accuracy. Response should match the drawing, e.g. b Student colours Shapes A, C, D, F and “I translated / reected / rotated the shape” . J. Independent 1 a The triangle practice has been Students with have translated into The triangle has been their experience concept cut- outs symmetry horizontally. b this who of and own will perhaps shapes observe form difculty as with how they need to rotational they t rotate. This reected process can also be modelled with an horizontally. interactive c The hexagon reected d The has been translated diagonally. arrow shape has been reected vertically. e The whiteboard. or Independent pentagon has been practice reected 1 diagonally. f The corner horizontally 160 arrow and has been reected vertically. OX FOR D U N I V E RSI T Y PR E S S 2 Extended 1 The area square. is practice four encouraged the area factor three, four, as big, with a or students’ able Independent practice 2 as a picture b Scale by 300% c Scale by 50% 4 Practical the This to of so rst be happens by ( The a is four, to scale area squared. With nine the times area is on. could form part depending Look for directions of on students to make who and images. would activity. on. area activity, the changes 3 so and the what factor levels. follow as could enlarged factor big group ability to describe The three, scale is and scale activities. partner are a of times Practical shape the factor sixteen 2 by big investigate a of scale to as students when increases a times Interested remain Look for the same. students who are 1 condent pictures different UNIT in experimenting and who can changes 8: on Topic with articulate the resizing the their effect of image. 4 3 Guided 1 Grid A practice square: C,3. GridAtriangle: 2 a B1 b Grid C,3. E3 Grid U R 4 O K A B square: B c 3 5 B Grid C2. triangle: E5 d C3 B1 C 4 a b 3 2 1 4 The C D E circle Grid 5 D 5 4 X X 3 X 2 X 1 A 6 Either A5 B or C 1 a E F0 Independent c D (4,3) practice b 2 (4,5) Grid c (1, 1) E 5 4 3 2 1 d 0 0 OX FOR D U N I V E RSI T Y PR E S S 1 2 3 4 5 161 3 Teacher to matches check the that letter the coordinate 2 point drawn. a Dan c Sam b is Amy north-west of Extended the 1 4 a (1,5) b (3,5) (4,5) (2,8) (7 ,5) (1,5) (7 ,8) 3 (4,8) (4,5) a Tran is at b Student a D3 Eva at A 2, above may choose to go round the c The for position must be on the 2 for square same clockwise.) (1, 1) to check. as (7 , 1) Possible (7 ,4) answer (1,4) is d a (Depending (1,4) (1, on starting (1, 1) to matches 6) e point) (2,4) check the that position the on grid the reference Position Practical activity. encourage a simple less letter, Teachers condent such as a may wish students letter who are able to be either L. to draw Look identify the cm. 2 S cm. for 2 NW cm. for check. Look for 2 students cm. correctly used compass who directions B3 or describe the the movements required to shape. Practical south- east of activity. Students could be asked of share their maps with a peer or their completion to ensure the teacher after partial that map and C2. Independent use west b the appropriately. practice for a 2 for grid. north-west to 1 students will theteacher teacher b to construct to (2,6) for W Sam. Teacher 2 6 SE cm. row to Teacher 2 Teacher have 5 cm. Amy. b (Student E SW writes practice teacher. an tasks are Discussion informal scale or progressing about to use whether a formal to unit B5 (e.g. correct 1 cm = 1 km) might 9: Topic be useful. c pairs for them in each the point correct in the letter and write order. Shop ping 7 mall UNIT a– c 1 y Guided practice 1 number 12 a Each axis is increasing in 11 increments of 4. b 2 birds 2 a 2 pieces b 10 3 a C b N c N d C e C f N T in Pot 10 9 people e ld s 8 7 6 d 5 Shortest junction on route with Swan to is west Swan on Penrith Parade. Glenbrook to the North-west Way. West along 4 Glenbrook e False. f Student It is Way SW to of the Jo’s Swim centre. house. 3 2 on draws Wombat g G2 h Various it opposite Tran’s house Way. 1 are Route appropriate. 1: South on For Wombat. x 0 d routes example, 0 1 2 Answers image 3 could above Extended 4 vary. is 5 6 Answer (3, 1 1) and 7 that 8 East on Glenbrook. East on Penrith. South- east South on on Wallaby Swan. to the matches school entrance. Route 2: South on Wombat. Lawson. South on Wallaby (6, 1 1). practice East to the on school entrance. 1 & 2 Practical activity. Teachers will probably 2 wish to discuss success activity, simple to before strategies the students encouraging pictures. practise on commencing It be grid nal begin to wise paper copy in a (1, 1) b 150 m ensuring students may other the for 3– 4a the draw for C o c k r oa c h Clif f students before their books. A N greater follow them level their to of success own their is likely instructions if students before giving peers. S S har k Po in t P UNIT 8: Topic P P 5 Sn a ke s v ill e N Guided practice G T 1 Big Bug C ave Beach C N Spid er NW H e ad NE W E 4 b Distance line that should would Appropriate SW be link longer the distance than places might a (5 be straight km). 6–8 km. SE 5 a–b See map above. S 162 OX FOR D U N I V E RSI T Y PR E S S Independent 1 & 2 Teacher to practice check. Look Extended for students This page 2 practice could form part of a a Weeks b Teacher can correctly identify a question that group the requirements and who show sharply Answers will vary but will might include the types of over e.g. the The two scores rose weeks. Most likely answer is Week 5. “a” , Students of 8 an 1 understanding & check, activity. c meets 7 to cooperative very who 1, questions could be asked to justify other that “the” and “an” . responses. will elicit categorical and numerical answers. 2 It may need to be reinforced to a– c Answers if the answer to the survey question used. Look number, the data is numerical. If not, is a on who the d True e Weeks (exact a NSW b New c About methods who are to able tally to the draw by the data they have 3 Frequency a A: 18, E: 18, I: 10, O: 16, U: 17° | 1 b The sample make was sure deliberately the letter “u” was infrequently. Students will half that 165 ÷ 10 = 16.5) it for will the be to people 500. A nswers var y. be will the be surveyed, so One response af fordabilit y to in of travel has this. repeat Teacher to check. trusted. Extended Total the hopefully necessary data 10) used 4 survey of approximately resulted the of skewed was 4 conclude rise Zealand may | | | | (a 3 d to 6 gathered. b Tally & words numerical Temperature 5 conclusions categorical. 18° mean choose 3 and supported 3 depending students the used data vary for is appropriate a will students texts that, practice 20 1 UNIT c Noon time te mp e rature s for 20 9: 1 a c Likely 19 º practice $5 b answer asked 18 º a Total Mean Sam 85 17 Amy 25 5 2 d ay s Guided 17 º Topic Player to is justify $2, but other Week 3 students amounts could (such Tran 30 6 Eva 60 12 be as 20 º Lily 10 2 Noah 35 7 $2.20) 4 a & b who Teacher can to check. accurately Look record for hair students 2 colours a Yellow is more b One- quarter popular than 24 Teacher of = 6. red. b on the frequency table and show an to decide whether to Teacher asked understanding of data displays by being 5 or to transfer that information to the to check. discuss Students or write could down be how 7 . they able to accept intend to respond to the task. In bar 3 this way, they are more likely to draw graph. How c Answers could vary depending on much money was in Tran’s piggy an bank? appropriate who experiences of the students. Likely can is “a dot plot” , although answer “pictograph” or Encourage students Look for students appropriate the data and who way include all to the information required for a data and title. display, “circle including $ 15 graph” . an students $ 20 may choose $ 25 display answer graph. the to scale or key verbalise c Sam e Answers d Noah $ 10 the reason for their choice. will vary. Look for students $5 5 Practical activity. Look for students who who demonstrate an understanding of the and class wish to are able using to this discuss accurately method. with students 6 represent Teachers type might be suitable whether for data or whether the table 7 to 8 We e k s can interpret justify because their her responses, scores were e.g. data the “Lily, lowest.” a practice displaying 1 this they may Independent graph that $ 0 2-way 5 tables show itself UNIT a– d is E x a m p l e: Gr a p h s c or e s to s h ow d ur in g Eva ’s the 10 : Topic 1 s p e llin g term sufcient. 20 Guided 6 a Club practice Number 18 1 Carlton Teachers may ask students to justify 16 answers other than a even chance c likely the following: 16 Collingwood 15 Essendon 16 Fit zroy 8 Geelong 9 Haw thorn 13 b impossible d certain 14 12 e ro c S 2 “Likely” and elsewhere. 10 “unlikely” Teachers professional could to use be placed their judgement. 8 1 Melbourne 3 12 4 10% b 0.3 2 6 Nor th Melbourne 5 4 a 0.2 c 0 4 Richmond 11 Sydney 5 2 0 b Students graph. are can OX FOR D a more bar appealing. to their for a a take plot or place than might for be an for 1 2 3 5 6 8 9 10 We e k the be visually students represent bar about would plot method, choose bar dot dot Look chosen a suitable graph accurately students scale is could example, but able using one For quicker more choose Discussion whether other. might who the I m p o s s ib l e Un like l y Eve n L ike l y c han c e C e r t a in data example, appropriate 0 0 .1 0.2 0.3 0.4 0.5 0.6 0 .7 0.8 0.9 1 graph? U N I V E RSI T Y PR E S S 163 Independent practice Extended 5 practice When you toss two coins the result can be: 1 1 Students could be asked to justify their 1 a b red d 5 or black of 20) 4 response. The wording is deliberately 16 (or equivalent) ( 52 ambiguous in places so that students appreciate the need for numerical a red: describe probability accurately. 4 sectors, green: 3 sectors, This is discussion point for sectors, gold (yellow): 1 question 3, , 0.4 green: , 0.3 to check that the scenarios given likely outcomes for by , 0.2 gold (yellow): , 0.1 ways 10 on 1 3 a (or will getting vary. heads There and is tails twice as the there chance are two 1 blue: below.) Answers of 10 10 Teacher other on tails. 3 red: 2 also tails. sector 6 b students. 10 (See heads and the heads. blue: a 4 possible One lands on land on values 2 to They both land on 4 will 2 They both 1 c equivalent) b white d black for one the and coins tails to on land the like that. other, or (Heads tails on 5 students match the E, 3 c (or equivalent) one and heads one way on the other.) There is only 10 H, I, J and K get two to get tails. two heads There is, and one therefore, way twice to the Value chance A It is impossible to run 100 0 UNIT 10 : Topic 2 tail. of the Whatever coins the landing on student’s a head and predictions a for metres in t wo seconds each, B It is almost impossible 0.1 7– 8 Guided the totals Practical should activity. be See 40. notes above about practice for me to win ten million the dollars. 1 50% 2 Depending element who C It is likely that I will see a 0.7 movie at the weekend students may D There is a better than even on the could reect on level predict this of prior ve being on a knowledge, each. are able accurately Others of to and they draw. Look conduct who understanding “chance” chance. of the students experiment demonstrate chance Were for their by the an conclusions predictions accurate? 0.6 situation and offer different possibilities. Why chance that I will like the movie. Discussion should lead concluding that accurate to prediction It is very likely that 0.8 F There is an even chance 0.5 not possible.As See students compare 4 note and predictions, they will conclude that by the chance. coins landed their results Students in could 6, of above. the coins There is landing a 2 as the a and tails; heads and a 1 for in 4 two (25%) chance for tails. particular be a girl. way question chance hopefully two that the nex t baby born will in (50%) heads results not? is in E why students 9 an or Extended combine practice 9 G It is less than an even 0.4 to see if the grand total came 1 Answers could include: 90%, , 0.9, 10 chance that I will go anywhere nearer a six the expected norm. swimming tomorrow. 9 One in or one out of six or (or any 6 equivalent It is almost certain that 0.9 I It is certain that 1 J It is very unlikely that 0.2 b 4 1 See out of It is unlikely that this 2 Number 3 Teacher lines should match the table in 2 value) (or 2, that outcomes 0.3 6 question conclude K 10 1 3 H in the (six) out same above. the About above) Students higher made as the task they to might number of more a as difcult 5 time. 1 × Independent not are for by know decimal. a how 25% too high (and That leaves 20 = 100, so 6 = it 90% to 5% that 25% or a 50% is if fraction and the same 15%. be is work elimination therefore cannot and who of convert because 4. × students process in 15% Q1: Look answer do 75%) possible 15%. the 5%. the closest to practice 100%. to check response 1 (See question 1, a 4 b Answers out of 1 10 3 above) 6 may vary. Having completed 3 4 a (or equivalent value) 7 A B J K F G D C E the H activities on the previous page, 2 b students will although each probably conclude 5 that, c 0 0 .1 0.2 0.3 0.5 0.4 0.6 0 .7 0.8 1 0.9 number has an There if chance, 4 a B b 5 Shading D c C d the spinner will probably each Blue: 2 should 1 be as sector land sectors the No Green: 4 once on each number because 6 a 3 E, sectors 2–3 sectors element Answers to sectors A, C, D, discuss of will with number closer B of Number to vary. Teachers students those value could be as a decimal, or a percentage (or a mixture Probable answers may whether a may expected Look A: one- eighth Spinner B: one-third Spinner C: one-sixth or Spinner D: one-fth, one 0.2 or or or one one one out out out out of of of of for bring by about I three six E: 4 The conduct their one out of ten, for a the students the results could outcome is vary, but the level who to & I, M & N, M & U I & U, & I & N U There are 3 and 21 possibilities if counting of × M 2 × I: can experiment using landing the to 2 practical chance in 5. the on of This activity the or number 4 In has a 5 and language would landing could could Students cooperatively. of be be become on a M1 & M2 M1 & M3 M2 & M3 M1 & I1 M2 & I1 M3 & I1 M1 & I2 M2 & I2 M3 & I2 M1 & N M2 & N M3 & N M1 & U M2 & U M3 & U 4 carried the out be asked addition to noticing a greater might be expected to I1 & I2 I1 & U I1 & N & U I2 & N N & U basis could to chance, predicted students likely of discussion. work 10% Answers while increases that 7 chance zero, as one-tenth, M results eight ve, M, & wish are: 20% Spinner 0.1 or & I higher chance. Spinner once of describe these). possibilities counted a accurately fraction is chance. attempts probability. b letter of N Red: different only: A follows: White: eight different not M Yellow: are equal conclude be: 5 Answers asked to I2 will vary justify according to and their the students could responses. levels of be However, probability, the 3 that, a 20 red (20%) b 80 blue as there are ve possible outcomes, (80%) letter M ( of the word) would be expected 7 2 the numbers 1, 2 and 3 each have a 1 in 2 in 5 1 to appear 18 times, the letter the letters I ( of the 7 8 1 4 5 chance, but the number 4 has a word) 12 times and N and U ( of 7 chance. 164 the word) 6 times each. OX FOR D U N I V E RSI T Y PR E S S Oxford Mathematics engaging teachers, series it an understandings Student Pr imar y Years Kindergarten supports incorporates O x ford for Primar y sequential to Year 6. of inquiry-based approach, and and of K– 6 Book outcomes the PYP PY P Practice O x ford Programme Pr imar y and a comprehensive Designed acquisition Ma thema tics Year s Programme is Master y by experienced mathematical is fully skills aligned mathematics Book Mur r a y Br ia n series Teacher O x ford Pr imar y Programme Books students Practice and real-world Teacher as well Oxford the Master y problems pre- classroom own that point of guided, understand Books as with with and Mathematics ensuring Book PY P Ma thema tics Year s Programme 5 A n n ie Mur r a y Fac ch i net t i Mur r a y includes: Student help the PY P Br ia n The concepts, curriculum. 5 Br ia n classroom and with Ma thema tics Year s and by mathematical Books that (Years allow hands-on 1– 6) Primar y child teachers can with activities, Years and extended skills students post-assessment helping each independent to explore blackline tests for access the the PYP and activities apply masters every right activities to concepts reinforcement Programme nd and learning their and and knowledge activity sheets, topic. supports pathway differentiation for mathematics every in student, curriculum at their need. ISBN 9 1 978-0-19-031224-4 780190 How web email to 312244 get in contact: www.oxfordprimary.com/pyp schools.enquiries.uk@oup.com tel +44 (0)1536 452620 fax +44 (0)1865 313472
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