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.

4___1
3___1
20___16
54___
7___2
1210___
20___2
63___
4___3
205___
7___5
15___1
2___1
11___9
171___
3___1
21___
2___1
20___3
4___1
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