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.

8___3
___21
1910___
4___1
8___4
1813___
21___
185___
21___
15___6
19___12
___29
___712
___12
6___3
177___
2___1
___28
144___
42___
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