Addition and Subtraction

What this topic covers

1. 1Decide on the most efficient subtraction strategy, including column subtraction
2. 2Review adding 2-digit numbers using column addition without regrouping
3. 3Review adding 3-digit numbers using column addition without regrouping
4. 4Review and use knowledge of place value to correctly lay out column addition
5. 5Review column addition and identify the addends and sum
6. 6Review identifying the minuend and subtrahend in column subtraction
7. 7Review using column addition to add 2- and 3-digit numbers by regrouping ones
8. 8Review using column addition to add 2- and 3-digit numbers by regrouping tens
9. 9Review using column addition with regrouping in the ones and tens columns
10. 10Review using column subtraction to subtract without regrouping