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___
19___9
1613___
82___
42___
17___6
___35
20___10
5___3
___27
17___6
21___
___24
17___1
15___9
3___1
109___
___34
18___15
10___9
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