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
17___4
31___
42___
___25
5___1
6___4
___12
7___1
___105
51___
___111
___811
13___7
___22
8___2
14___6
11___1
___18
13___12
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