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.

14___12
21___
___910
13___9
___53
___511
103___
5___4
20___13
19___8
17___2
1512___
14___10
41___
___25
___171
___39
20___9
4___1
1312___
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