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.

15___12
8___4
135___
13___11
21___
32___
161___
42___
18___11
5___2
___55
6___5
63___
11___3
17___3
___171
19___9
11___5
19___7
161___
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