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.

18___4
7___1
___79
19___8
129___
10___3
___12
15___1
13___6
4___3
17___13
161___
___412
21___
42___
___116
74___
3___1
133___
91___
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