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.

5___3
15___1
___21
1713___
20___11
4___1
13___2
6___1
2___1
11___8
20___9
15___12
18___2
21___
15___2
7___6
118___
11___9
15___14
143___
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