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
___51
21___
11___3
___21
113___
5___2
___411
1210___
10___8
51___
101___
1813___
8___4
159___
62___
113___
145___
149___
65___
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