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.

109___
___513
20___18
15___4
___121
71___
7___5
6___5
74___
___67
149___
___84
1310___
12___1
1412___
8___1
11___6
8___5
___412
107___
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