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___
2___1
17___12
___71
___35
___112
14___12
20___3
85___
12___11
20___17
53___
43___
2___1
54___
135___
21___
9___4
21___
5___2
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