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.

13___12
21___
63___
21___
___87
16___8
12___3
12___6
31___
13___5
___121
10___9
8___5
51___
93___
32___
___514
32___
208___
2___1
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