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.

19___4
5___4
11___1
18___15
___143
1613___
9___7
64___
10___5
___42
10___1
178___
4___1
15___2
8___5
___45
42___
104___
112___
115___
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