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.

12___1
31___
21___
1811___
1612___
18___2
186___
8___7
12___8
___313
41___
123___
63___
17___4
17___3
___63
9___4
___21
6___1
5___2
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