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.

___15
1615___
20___9
___16
174___
1410___
183___
52___
21___
1810___
15___4
4___3
73___
___57
31___
19___16
___43
86___
2___1
41___
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