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___
7___1
103___
___23
74___
___45
1916___
32___
11___4
15___1
___810
1811___
63___
1712___
10___3
___218
81___
83___
43___
___137
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