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.

11___9
20___1
___23
2___1
___51
20___15
158___
21___
161___
21___
12___9
4___1
181___
___154
11___10
17___7
8___3
5___1
7___3
9___6
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