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.

4___1
1812___
13___12
___11
75___
144___
20___5
51___
19___17
___13
43___
75___
178___
19___7
138___
1110___
2___1
161___
19___5
13___2
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