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.

___511
116___
12___4
___214
166___
74___
20___8
10___2
___25
13___12
74___
75___
20___5
10___6
16___13
172___
1813___
9___3
152___
14___13
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