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___
___412
21___
18___5
10___4
71___
84___
123___
71___
2___1
1610___
1311___
85___
___27
21___
___61
1512___
16___4
5___2
5___1
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