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.

10___9
116___
16___15
1815___
10___4
7___2
21___
81___
___16
187___
___91
___144
101___
31___
17___1
17___16
42___
1412___
41___
21___
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