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.

___23
4___1
12___5
133___
205___
31___
9___2
133___
___75
11___4
139___
20___18
14___5
8___2
2___1
___113
105___
___12
3___1
7___3
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