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.

43___
81___
___123
1210___
___1010
21___
4___2
16___12
13___2
32___
112___
15___1
2017___
___145
203___
18___14
12___1
5___1
___87
21___
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