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.

42___
4___1
15___1
20___12
159___
10___3
138___
143___
4___2
73___
___414
19___1
4___3
20___8
3___2
8___4
___34
15___3
3___1
72___
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