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.

2___1
10___3
21___
5___4
17___8
20___15
___32
7___5
___41
8___6
139___
11___3
___415
___23
2___1
73___
191___
___132
1916___
2010___
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