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
12___1
73___
___13
15___12
31___
10___4
19___15
193___
5___3
13___1
123___
___95
4___1
31___
42___
107___
61___
___13
145___
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