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.

1716___
___21
20___5
76___
6___4
___21
___115
17___5
2012___
5___1
12___10
1513___
173___
152___
___414
64___
54___
12___10
2011___
11___5
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