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.

1813___
___51
___61
7___3
6___4
8___5
52___
166___
158___
20___16
12___11
9___1
19___4
18___17
53___
6___1
15___12
5___3
___123
11___8
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