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___
20___12
19___13
7___1
102___
18___5
8___7
108___
154___
14___10
85___
___17
___43
5___1
154___
12___2
1512___
___86
___103
158___
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