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___12
151___
52___
21___
4___2
___910
___14
1110___
119___
12___1
17___8
51___
31___
___17
5___4
14___7
143___
61___
16___11
63___
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