A. Subtraction: Counting Strategies
Do these problems in your head. You can use the number line to help you solve the problem.
Write only the answers.
- 20 − 3 =
- 31 − 2 =
- 100 − 80 =
- 40 − 38 =
- 11 − 8 =
- 51 − 49 =
- Explain your strategy for solving Question F.