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.

6___5
64___
18___5
21___
118___
___143
___51
7___6
3___1
___104
___32
153___
11___10
___15
1513___
21___
___11
63___
19___16
3___2
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