Numeracy Column Addition / Subtraction Starter Session 1 Paired Activity: Complete number sequences, up and back in 1’s, 2’s, 3’s, 5’s and 10’s starting from any 2 digit number. GG Work with KB in cloak room, number sequences as above but using 3 digit numbers. W/C 20.4.15 Main Teach Re-cap on what addition is. Play word tennis with the word ‘addition’. Ask the chn a few addition number sentences, e.g. 6 + 4 = 10 plus 5 etc.... Use different vocab associated with addition (add, plus, more than, total etc) Model how to say the number sentence using human symbols. Remind chn of number bonds to 10. Tell them how important they are to this. Activities DD: On template solve column addition sums. Adding 1 and 2 digit numbers and two 2 digit numbers together. KB TT: As DD but independent AA and GG: Set out column addition in books - move onto adding two 3 digit numbers. AK Introduce Column Addition Model how it is set out and how to solve it on the board. Ensure chn know to start from the units column (use colours to represent tens and units). Paired Activity: Complete column addition. KB guided group DD. AK assess. Session 2 Number bingo using multiples of 5 (reinforce meaning of Introduce 3 digit column addition. Re-cap on previous sessions learning. Ensure chn know the purpose and when to use column addition. DD: Solve column addition on template - adding two 2 digit numbers. Independent Peer teach: column addition TT: Solve column addition Numeracy Column Addition / Subtraction multiple) KB guided group DD GG generate questions W/C 20.4.15 Paired Activity: Complete some column addition sums. Copy sums from board emphasise the importance of layout and correct columns. KB guided group DD AK keep AA and GG on carpet and introduce carrying. Session 3 Coin recognition game using money fans. Focus on value and finding totals up to 20p. GG work in cloakroom with KB - finding amounts and showing answer son money fans. Extend chn to think of a different - set out in books. Adding two 2 digit numbers. Extend to adding two 3 digit numbers. Focus on layout and calculation method. KB AA & GG: On whiteboards (post it and photos as evidence) column addition with carrying. AK Revise previous sessions learning - column DD: Solve subtraction sums addition. using column method. Worksheet as template. Remind chn of operation of subtraction. Using a 2 digit number and Play word tennis in pairs. a 1 digit number then Get the chn to mentally work out a few extend to two 2 digit subtraction sums. What happens when we numbers. KB subtract. Model how to say the number sentence using human symbols. TT: As DD independent Introduce column subtraction. Model how to AA: As TT but extend to work out a sum using column subtraction subtracting two 2 digit and how to set it out. numbers. Independent Paired Activity: Solve subtraction sums using column method. KB work with DD. AK assess ow’s and wow’s. GG: Solving subtraction word problems using the column method. AK Numeracy Column Addition / Subtraction way to make that total. Session 4 Using clocks make times o’clock and half past. Extend to quarter past. KB with GG in cloakroom making times to five minute intervals. W/C 20.4.15 Explain main activities. Revise previous sessions learning. DD: Solve column subtraction on template Peer teach column subtraction - ensure chn adding two 2 digit know they must start with the units numbers. Independent column. TT: Solve column Paired Activity: Complete some column subtraction - set out in subtraction sums. Copy sums from board books. Adding two 2 digit emphasise the importance of layout and numbers. Extend to correct columns. subtracting two 3 digit KB guided group DD numbers. Focus on layout and calculation method. KB Model how we can solve word problems using the column method. Set out in books. AA: Solving subtraction word problems using the column method. AK GG: As AA - mixture of addition and subtraction sums. Reinforce carrying with adding. Independent Practical Counting on / Maths back in 1’s, Session 2’s, 3’s, 5’s and 10’s. GG in To estimate, measure and compare length. What some some far, is length? As a class come up with words associated with length. Share of these (tall, short, long, high, near, cm, meter) DD: Measure lines to nearest cm. Record in template. (Balloons) KB TT: As DD independent - KB to support if stuck. Numeracy Column Addition / Subtraction cloakroom with KB on ‘Maths Bingo’ app on ipads - paired work. W/C 20.4.15 Show chn pp - measuring length. Paired Activity: Give the chn in groups a selection of objects - they have to order them in relation to length from the longest to shortest. Go through paired activity - how can we check - using a ruler. AA: Measuring lines to the nearest cm. Then drawing lines to match the measurement. Independent (balloons and kites) GG: As AA but chn must estimate length of line first. Then measure. Model how to use a ruler, discuss cm. Make Extend to measuring to sure chn hold the ruler correctly and know nearest 1/2 cm. AM where to start from. In pairs measure the objects to check if the order of correct. KB work with DD. AM check other chn are accurately measuring using a ruler.