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.

6___1
___21
13___8
8___3
17___3
109___
___14
102___
125___
142___
9___2
___102
21___
12___1
54___
61___
5___4
___45
12___6
21___
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