Here is a great packet of resources to help adding and subtracting by tens with your students. Included in this download are a variety of activities to help your students master adding and subtracting by tens on a number line. There are both addition and subtraction worksheets that can be used for instruction, practice, homework, assessment, and more. Also included are two math centers with task cards: one center for addition and one center for subtraction.
Included in this download:
- 3 num