2 Addition and subtraction Day 1: 1. Add 10s to 2-digit numbers. Addition and subtraction Day 1: 1. Double 2-digit numbers using Day 1: Adding 10 to a 2-digit number. Day 1: Doubling and halving by partitioning (answers less than 100). Day 2: 1. Add 11 to multiples of 10. partitioning. 2. Halve 2-digit numbers using Day 2: Adding 11 to 2-digit numbers. partitioning (friendly numbers). Day 3: 1. Subtracting 10s from a Adding pairs of 2-digit number by Day 2: Day 3: Subtracting 10s. number. partitioning. Day 2: 1. Add any pair of 2-digit numbers using partitioning. Day 4: 1. Subtract 11 from multiples of Day 4: Subtracting 11 from 2-digit Day 3: Adding partitioning or counting on. numbers. 10. Day 3: 1. Add any pair of 2-digit numbers Day 4: Subtracting pairs of 2-digit using partitioning or counting on in 10s Recap adding and subtracting 11. numbers by counting back. Day 5: Day 5: 1. Add and subtract 11 from and ones. multiples of 10. Day 5: Subtracting of 2-digit numbers Day 4: 1. Subtract a 2-digit number by 2. Describe the pattern this makes on a by counting back. counting back in 10s (not crossing 10s). number grid Day 5: 1. Subtract a 2-digit number by HAT outcomes 3, 10 and 12 counting back in 10s. (plenaries) HAT outcomes 10, 11 (count back nos) and 18
2 Addition and subtraction Day 1: Adding 10 to a 2-digit number. Day 2: Adding 11 to 2-digit numbers. Day 3: Subtracting 10s. Day 4: Subtracting 11 from 2-digit numbers. Day 5: Recap adding and subtracting 11. Day 1: 1. Add 10s to 2-digit numbers. Day 2: 1. Add 11 to multiples of 10. Day 3: 1. Subtracting 10s from a number. Day 4: 1. Subtract 11 from multiples of 10. Day 5: 1. Add and subtract 11 from multiples of 10. 2. Describe the pattern this makes on a number grid HAT outcomes 3, 10 and 12 (plenaries) Addition and subtraction Day 1: Doubling and halving by partitioning. Day 2: Adding pairs of 2-digit number by partitioning. Day 3: Adding partitioning or counting on. Day 4: Subtracting pairs of 2-digit numbers by counting back. Day 5: Subtracting of 2-digit numbers by counting back. Day 1: 1. Double 2-digit numbers using partitioning (answers less than 100). 2. Halve 2-digit numbers using partitioning (friendly numbers). Day 2: 1. Add any pair of 2-digit numbers using partitioning. Day 3: 1. Add any pair of 2-digit numbers using partitioning or counting on in 10s and ones. Day 4: 1. Subtract a 2-digit number by counting back in 10s (not crossing 10s). Day 5: 1. Subtract a 2-digit number by counting back in 10s. HAT outcomes 10, 11 (count back nos) and 18