Number Bonds Worksheet

Fill in the missing numbers to complete each number bond. The two parts at the bottom add up to the whole number at the top.

13___11
21___
___164
4___2
___105
161___
1713___
107___
___78
17___7
___514
1510___
___59
1110___
61___
___42
1817___
___21
___26
32___
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