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___
___89
___23
___11
9___1
85___
12___6
135___
129___
18___17
10___3
___42
4___1
___104
177___
14___6
51___
86___
16___6
19___2
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