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___
2___1
___47
41___
11___9
161___
9___5
5___4
20___15
___811
___102
21___
19___18
16___4
112___
31___
1613___
81___
___82
___136
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