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.

21___
___42
18___4
2___1
20___1
1910___
31___
2___1
1917___
16___8
___35
___32
___13
1715___
2019___
17___6
6___5
___78
62___
___53
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