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.

21___
42___
15___6
8___7
19___14
8___7
17___1
144___
___11
13___10
17___14
20___14
1512___
5___4
7___6
21___
98___
15___8
6___5
14___12
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