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.

14___3
137___
4___1
18___14
19___1
188___
1611___
13___8
11___3
20___10
21___
42___
3___1
___181
108___
11___1
___23
147___
15___14
2012___
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