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___
17___8
10___8
7___2
___74
19___7
17___15
8___6
12___2
173___
___211
81___
117___
9___5
20___17
5___3
31___
12___5
8___4
31___
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