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.

1411___
13___10
10___9
1811___
21___
5___2
___61
1811___
7___2
112___
1712___
7___1
97___
138___
111___
20___3
129___
18___12
15___4
___17
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