Blandford St Mary Primary School Addition Pyramid Find one more than a number from 1 to 10. Relate addition to combining two groups of objects.
Foundation
Recall pairs of numbers with a total of 10. Use informal written methods to add a onedigit number to a two digit number. E.g. 21+7 = 28 +7 212223 24 25 26 2728
Year 1
Recall pairs of numbers with a total of 20, and pairs of multiples of 10 with totals up to 100. E.g. 4 0+6 0=100
Year 2
Derive number pairs that total 100. E.g. 76 +
□=100
Year 3 Use written methods (partitioning) to add two and digit and three digit numbers.
25 8+ 787104 5
Year 5
1 1
4 7 = 4 0 7+ 76 = 70 6 123 = 110 + 13
Use efficient written methods to add whole numbers and decimals. 2.5 8+ 7.8710.4 5 1 1
Use informal written methods to add twodigit numbers. E.g. Using partitioning 25 +3 4 20+3 0=5 0 5 + 4 = 9 5 0+ 9 =5 9
Mentally add pairs of two-digit numbers. E.g. 4 7 + 5 8.
Year 4
Use efficient written methods to add two-digit and three-digit numbers. 3 5 6 = 3 005 0 6 + 127= 10020 7 4 83 = 4 007013
Mentally add whole numbers and decimals. E.g. 3 .7+5 .6
Year 6