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.

___89
18___8
10___1
75___
41___
11___8
81___
1817___
9___1
___21
21___
145___
16___11
8___7
8___5
17___5
___11
___146
51___
15___4
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