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.

___51
5___4
___52
___145
20___19
105___
2___1
84___
107___
94___
31___
156___
4___1
1910___
1412___
15___9
5___4
146___
21___
4___3
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