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___
11___7
6___2
15___2
11___10
9___3
10___9
42___
15___10
132___
6___1
5___4
6___1
___43
1614___
1917___
14___8
20___12
4___1
4___3
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