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___3
21___
___59
1513___
18___3
8___2
15___11
3___2
4___2
15___3
4___1
6___3
5___1
6___4
143___
___73
141___
11___1
___43
___58
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