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.

___510
6___4
5___2
1911___
9___3
21___
65___
166___
6___1
2___1
135___
___610
___315
17___7
75___
73___
18___11
21___
118___
___31
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