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.

13___10
175___
2___1
21___
144___
___136
84___
32___
64___
9___5
4___2
17___4
6___2
117___
1715___
___15
64___
___811
18___5
63___
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