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.

31___
43___
21___
___61
___11
87___
20___10
61___
4___3
154___
___39
63___
16___7
2___1
20___17
42___
74___
20___12
6___5
1510___
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