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.

___45
___12
21___
144___
___32
10___5
10___3
6___1
2019___
1413___
191___
16___9
18___3
73___
149___
102___
4___3
142___
6___1
13___2
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