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Plan: Abacus Year 3 Term: Summer 2 Week: 29 Class: 3V Quick Maths for the Week: QM 3.29.1 Practising the 4 timestable QM 3.29.2 Dividing by 4 Date: 15/06/15 School Name: Windmill Primary School Teacher: Jennifer Vickers QM 3.29.3 Rounding to the nearest 100 QM 3.29.4 Placing 3-digit numbers on a number line QM 3.29.5 Driving Test 29 Strands: Written multiplication and division (WMD); Problem solving, reasoning and algebra (PRA); Mental multiplication and division (MMD); Fractions, ratio and proportion (FRP); Decimals, percentages and their equivalence to fractions (DPE) Week summary: Use the grid method to multiply 2-digit numbers by 3, 4, 5, 6 and 8; estimate products; divide using chunking, with and without remainders; decide whether to use multiplication or division to solve word problems; recognise tenths and equivalent fractions; find one-tenth and several tenths of multiples of 10 and begin to find onetenth of single-digit numbers Main Focus Lesson 141 Starter Teaching Summary Mental Maths test Task Descriptions Outcomes Core: (T) PSR.C 3.29.1 Chn use 2, 5 and 8 to Children can: Ask chn which of 4 × 38 and 4 × 32 on create all the combinations of 1-digit × 2-digits. Screen 3.29.1a will have the largest multiply 2-digit Multiply 2-digit numbers by Estimate answers, solve using written method answer. Model using rounding to estimate numbers by single3, 4, 5, 6 and 8, begin to and order from smallest to largest product. Rpt the answers to each. Point out that both digit numbers estimate products and with 3, 4 and 8. answers will be between 120 and 160, but begin to make begin to estimate the first will be closer to 160 and the Support: (T) PSR.S 3.29.1 Chn use 2, 3 and 5 generalisations products second closer to 120. to create all the combinations of 1-digit × 2 begin to make digits. Support to work logically, work out Chn find exact answers using written generalisations. approximate answer, and solve using written method. Model on the board. method. Show 150, 200, 250 and 300 on washing Extend: (T) PSR.E 3.29.1 Chn use 2, 5 and 8 line on Screen 3.29.1a. Point out the to create all the combinations of 1-digit × 2multiplications. Use rounding to estimate answers for the first two. Child places cards digits. Estimate answers, solve using written method and order from smallest to largest on the washing line. Rpt with the next pair product. Rpt with own choice of digits, and the final pair. predicting largest and smallest, even and odd. In pairs, chn work out the exact answer to one of the multiplications and compare with the estimate. Objectives: WMD.43 Use known tables and place value to multiply 2-digit by 1-digit numbers with a written method; PRA.45 Begin to make generalisations Key Vocabulary: multiplication; estimate; rounding; grid; larger; smaller; before; after; approximate Physical Resources: 1-minute sand timer; pegs; washing line; Photocopiables: Resource sheet 2; Resource sheet 31; Resource sheet 32; Digital Resources: Lesson: Year 3 Lesson 141; Screen 3.29.1a; Screen 3.29.1b Big Maths Discuss that division is the opposite of 2 Written Division Pupils work in pairs to complete written division To use written method of Beat That sums on white boards to build up confidence division with no multiplication. 1 Abacus Plan © Pearson 2016 Pearson is not responsible for the quality, accuracy or fitness for purpose of the materials contained in the Word files once edited. To revert to the original Word files, re-download them from ActiveLearn Primary. Student teaching Complete a few basic division sums. with using this method. remainders Show how to do written method on the board and build confidence with using it. Big Maths Teaching: Chn predict which of 59 ÷ 4 and Core: GP.C 3.29.2 Chn answer questions 1–16 Children can: 3 Lesson 142 Beat That on GP 3.29.2 ʻDivision ʼ, with and without 85 ÷ 5 on Screen 3.29.2 has a remainder. Solve divisions by 3, Division with and without remainders. Emphasise how we can use multiplication 4, 5 and 8 with and remainders to solve division and reveal the Support: (T) Gui 3.29.2 Chn answer the first without remainders multiplication with a hole. Demonstrate 12 questions on GP 3.29.2 ʻDivision to solve (answers less than method on the board. divisions, with and without remainders. 20) Chn rpt to find exact answer to 85 ÷ 5. Extend: GP.E 3.29.2 Chn answer questions 5– begin to predict 17 on GP 3.29.2 ʻDivision, first predicting which divisions will Task: In pairs, chn discuss which two whether there will be a remainder. have a remainder divisions on the next slide won't have a and which will not. remainder. Objectives: MMD.44 Divide mentally numbers just beyond the tables by subtracting the multiple of 10 (no remainders); WMD.45 Divide numbers just beyond the tables by subtracting the multiple of 10; WMD.46 Divide numbers just beyond the tables, with integer remainders Key Vocabulary: division; multiplication; remainder; bigger Physical Resources: whiteboards; Photocopiables: Resource sheet 290; Digital Resources: GP 3.29.2; Lesson: Year 3 Lesson 142; Screen 3.29.2 Last Man 4 Practical Maths Follow instructions on how to make play dough. Use measuring in a Discuss what we use instructions for. Look Standing practical context. at instructions on the board. How would we Measuring out the ingredients and making. follow the recipe? Is the flour measured in grams or millilitres? What about the oil? Extend: The recipe is for 4 lots – how much of Demonstrate how to accurately measure each ingredient would we need for 2 lots? Etc. the ingredients. Big Maths Chn read the first word problem on Screen Core: Y3 TB3 p78 5 Lesson 143 Children can: Beat That 3.29.3. Talk through the RNCA stages. Support: Y3 TB3 p77 solve word problems Decide whether to use involving 2-digit by multiplication or division to Chn discuss the problem and write the Extend: (T) Gui 3.29.3 In pairs, chn find single-digit solve word problems calculation needed. Discuss. In pairs, chn different routes through the 2-step diagram on multiplication or find the answer. Resource sheet 855 to give a different number division of points. Add an extra step to some routes to Rpt for the problem on the next slide. give 100 points. make sense of a Chn discuss the problem on the third slide, word problem and draw out that it is a two-step problem. Chn write the relevant write the first calculation and solve. Agree calculations. the second calculation. Rpt with the problem on the 4th slide. Task: In pairs, read and solve the 4th and Abacus Plan © Pearson 2016 Pearson is not responsible for the quality, accuracy or fitness for purpose of the materials contained in the Word files once edited. To revert to the original Word files, re-download them from ActiveLearn Primary. 5th problems. Objectives: PRA.48 Solve problems involving multiplication and division, including missing number problems Key Vocabulary: problem; calculation Physical Resources: whiteboards; Y3 Textbook 3; Photocopiables: Resource sheet 855; Y3 TB3 Answers p67-79; Digital Resources: Lesson: Year 3 Lesson 143; Screen 3.29.3 Abacus Plan © Pearson 2016 Pearson is not responsible for the quality, accuracy or fitness for purpose of the materials contained in the Word files once edited. To revert to the original Word files, re-download them from ActiveLearn Primary.