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.

17___12
___23
15___13
___59
207___
31___
___97
18___1
115___
3___2
109___
31___
97___
169___
61___
3___1
101___
129___
11___9
21___
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