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.

63___
___110
4___2
15___4
17___10
91___
20___6
6___1
___11
1712___
18___6
21___
31___
5___1
13___3
20___7
21___
53___
12___2
1815___
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