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.

18___17
6___4
11___7
___21
166___
115___
127___
1810___
1813___
___21
21___
1110___
1916___
1917___
9___3
___64
1716___
___41
83___
184___
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