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___
19___13
20___18
71___
31___
___26
___11
___211
43___
9___4
14___7
___58
13___2
14___7
81___
6___4
1915___
6___5
18___1
1810___
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