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.

1713___
18___1
11___3
21___
155___
6___1
___67
31___
135___
11___2
2___1
63___
3___1
___22
12___9
15___2
51___
21___
15___13
11___9
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