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___13
31___
___21
___39
___172
___110
11___10
5___4
16___7
___21
54___
18___12
19___14
52___
4___3
2___1
1710___
91___
111___
___154
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