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.

135___
1210___
125___
75___
7___4
21___
13___5
4___3
___47
21___
8___3
126___
21___
124___
11___4
20___3
172___
14___7
1611___
___510
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