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Add and Subtract Within 20: Set 4

Find each sum, difference, and missing number.

Answer Key

Add

Write each sum.

1.

10 + 4 = 14

2.

3 + 1 = 4

3.

3 + 6 = 9

4.

1 + 10 = 11

5.

7 + 7 = 14

Subtract

Write each difference.

6.

16 − 4 = 12

7.

15 − 9 = 6

8.

12 − 8 = 4

9.

10 − 5 = 5

10.

15 − 10 = 5

Missing numbers

Write the missing number.

11.

10 − 4 = 6

12.

7 − 5 = 2

13.

8 − 4 = 4

14.

5 + 6 = 11

15.

3 − 2 = 1