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.

___13
___37
15___3
164___
6___5
13___5
5___4
15___12
10___1
17___6
109___
14___5
21___
20___2
139___
7___1
1510___
12___7
17___14
31___
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