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.

20___13
1817___
14___10
10___7
20___3
15___13
135___
7___3
___514
___97
10___2
204___
5___1
12___6
___310
54___
21___
___217
___14
43___
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