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.

20___3
___45
1910___
31___
13___9
129___
13___5
21___
4___2
86___
8___4
2___1
9___5
___26
___116
___12
171___
___13
___52
42___
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