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___
10___9
___115
12___1
163___
159___
___11
64___
___123
2___1
86___
13___1
___66
81___
___113
___512
13___7
43___
9___8
12___3
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