Worksheet set 18

Addition and subtraction within 10

Use counters or fingers when needed.

Warm-up

1. Draw a picture for 4 + 4.

Written practice

1. 4 + 4 = ___ 2. 4 + 4 = ___ 3. 9 − 4 = ___ 4. 5 + 4 = ___ 5. 10 − 4 = ___ 6. 4 + ___ = 9 7. Write two ways to make 9.

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More practice

1. 4 + 4 = ___ 2. 4 + 4 = ___ 3. 9 − 4 = ___ 4. 5 + 4 = ___ 5. 10 − 4 = ___ 6. 4 + ___ = 9 7. Write two ways to make 9.

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Patterns and rules

1. Adding makes the total bigger. 2. Subtracting makes the total smaller.

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