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.

20___17
85___
16___6
20___5
9___1
___513
64___
6___1
165___
___12
18___16
___144
___97
5___1
74___
10___8
158___
2___1
1413___
3___2
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