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___1
20___18
115___
10___6
___45
4___2
51___
6___2
18___13
4___2
20___12
13___11
54___
___16
15___8
17___4
189___
2___1
___14
43___
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