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___
15___2
20___9
___11
18___8
1613___
___512
32___
___218
6___1
169___
1715___
1614___
20___13
16___14
31___
20___3
163___
1715___
___12
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