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___5
193___
1810___
14___6
73___
2___1
3___2
11___1
21___
181___
___64
21___
64___
4___1
18___11
17___10
9___1
20___18
64___
___23
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