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___
21___
21___
8___3
139___
61___
___23
13___2
3___2
16___10
___23
20___4
17___15
145___
___65
3___2
65___
21___
1915___
137___
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