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.

18___1
21___
___66
4___2
145___
13___3
118___
13___1
5___3
12___6
5___3
11___6
158___
8___7
104___
1914___
2___1
___12
9___5
134___
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