2- and 3-digit subtraction and addition practice

Help

If I want to ADD 10, do I move up or down on the hundred chart?

DOWN! The numbers get bigger as you move down on the hundred chart.

If I want to SUBTRACT/TAKE AWAY 10, do I move up or down on the hundred chart?

UP! The numbers get smaller as you move up on the hundred chart.

Use the hundred chart to help you add: 37 + 20 = ?

37 + 20 = 57 Move down 2 spaces to add 2 tens (20).

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