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.

___13
18___15
21___
6___5
1916___
74___
2___1
1613___
8___4
21___
112___
12___6
9___5
___11
123___
2019___
5___4
___13
11___3
19___18
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