Number: Addition and Subtraction

What this topic covers

1. 1Add 2-digit numbers using column addition
2. 2Add 3-digit numbers using column addition
3. 3Identify the addends and the sum in column addition
4. 4Use column addition to add numbers by regrouping ones
5. 5Use column addition to add numbers by regrouping tens
6. 6Use column addition to solve problems
7. 7Use column addition with regrouping in ones and tens
8. 8Use column addition with regrouping to solve problems
9. 9Use known facts and strategies to accurately and efficiently calculate and check column addition
10. 10Use place value to correctly lay out column addition
11. 11Identify the minuend and subtrahend in column subtraction
12. 12Make efficient use of subtraction strategies including column subtraction
13. 13Subtract from a 2-digit number using column subtraction with regrouping
14. 14Subtract from a 3-digit number using column subtraction with regrouping
15. 15Use column subtraction to subtract from a 2- or 3-digit number