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.

11___8
9___8
3___2
20___12
32___
2___1
16___6
15___4
21___
43___
8___5
___21
___117
1410___
6___1
4___1
21___
21___
10___9
63___
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