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.

18___16
1713___
138___
___71
31___
103___
21___
___58
9___8
___97
17___8
___13
72___
135___
2___1
32___
21___
31___
21___
21___
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