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.

143___
171___
17___9
15___10
18___15
13___4
17___10
6___4
19___8
6___5
1917___
43___
163___
___24
51___
___1010
8___6
21___
2012___
___56
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