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.

10___1
___12
9___4
5___2
21___
4___2
___210
74___
___19
84___
1311___
9___7
5___4
18___4
21___
20___3
42___
4___3
___21
32___
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