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Maypole School Calculation Policy SUBTRACTION ALWAYS complete units first Number line adding in single units and tens Number line subtracting in single units and tens 30 31 32 Sharing 2+2+2+2=8 10 ÷ 2 = 5 -1 -1 -1 Use of number line and 100 squares when subtracting in groups of units and multiples of tens. 42 – 23 22 42 Year 1 Year 1 39 40 41 42 -10 Year 2 Year 2 +20 29 42 Use of number line and number squares when adding in groups of units and multiples of ten 29 + 23 +3 Repeated addition 23 Groups of 5 x 3 = 15 Arrays 3 x 5 = 15 -1 29 32 52 -20 Recall of 2, 5 and 10 times table and division facts Grouping and sharing 25 ÷ 5 = 5 Year 2 29 +10 +1 +1 DIVISION 42 – 13 Year 1 Year 1 29 + 13 +1 MULTIPLICATION Year 2 ADDITION Maypole School Calculation Policy Expanded column method up to HTU + HTU 245 + 352 Expanded column subtraction for 3 digit numbers 363-127 = 236 + 262 691 953 1 Some children may begin to use column subtraction with 3 digits 8 1 695 - 316 379 Expanded multiplication TU x 2, 3, 5 or 10 19 X 5 = 9 x 5 = 45 10 x 5 = 50 45 + 50 = 95 Year 3 300 60 3 - 100 20 7 200 30 6 Year 3 Column addition with up to 3 digits 262 + 691 Quick recall of 2, 3, 4, 5, 8 and 10 times table and division facts. 50 13 Year 3 Year 3 245 + 352 7 90 500 597 Quick recall of 2, 3, 4, 5, 8 and 10 times table and division facts Including calculations with remainders 37 ÷ 5 = 7 r.2 Maypole School Calculation Policy Column subtraction for 4 digit numbers 5675 - 1356 6 1462 + 6791 8253 Chunking method TU ÷ U 72 ÷ 3 1 5675 - 1356 4319 325 X 7 35 140 2100 2275 Year 4 1 Year 4 Year 4 1 Expanded multiplication HTU x U (5x7) (20x7) (300x7) Quick recall of times table facts up to 12x12 Some children may begin to use short multiplication for HTU x U Year 4 Column addition with up to 4 digits 1462 + 6791 24 3 72 - 30 (3x10) 42 30(3x10) 12 12 (3x4) 0 Children who know times table facts to use short division up to HTU ÷ U 156 ÷ 4 378 X 6 2268 3 9 4 11 536 Maypole School Calculation Policy Column subtraction with more than 4 digits 65635 - 41956 23679 Year 5 1 Year 5 Year 5 1 Quick recall of division facts up to 144 ÷ 12 332 X 17 2324 3320 5644 4 15 12 1 414.46 +367.99 782.45 1 Long multiplication HTU x TU Short Multiplication ThHTU x U 5378 X 6 32268 Year 5 Column addition with more than 4 digits Short division ThHTU ÷ U 5156 ÷ 4 1 2 8 9 4 5 1 1 3 53 6 4b/a Maypole School Calculation Policy 1 1 1 15 th th 12 1 656.35 -419.56 236.79 Long division for 4 digit by 2 digit whole numbers 3428 ÷ 16 2332 X 218 18656 23320 466400 508376 Year 6 1 4 Long multiplication for 4 digit by 2 digit whole numbers Year 6 14.468 +67.997 82.465 Column subtraction with more than 4 digits Year 6 Year 6 Column addition with more than 4 digits 214 r 4 16 3428 32 22 16 68 64 4