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.

18___17
8___5
21___
14___5
2___1
___42
63___
85___
6___5
1615___
17___1
41___
20___13
11___10
1714___
21___
___141
105___
129___
41___
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