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.

___25
42___
9___3
75___
12___10
75___
103___
___410
108___
8___5
21___
___63
12___1
19___7
21___
17___15
6___4
21___
___63
81___
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