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.

___21
20___4
10___1
4___2
___116
9___8
19___3
142___
9___7
31___
13___1
12___10
114___
___96
164___
74___
146___
___106
17___5
15___1
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