What number needed to total twenty

Compose and Decompose Numbers: Learn

There are many ways to add two numbers together to reach a total of 20.
20 = 20 + 0 20 = 19 + 1 20 = 18 + 2 20 = 17 + 3 20 = 16 + 4
20 = 15 + 5 20 = 14 + 6 20 = 13 + 7 20 = 12 + 8 20 = 11 + 9
20 = 10 + 10 20 = 9 + 11 20 = 8 + 12 20 = 7 + 13 20 = 6 + 14
20 = 5 + 15 20 = 4 + 16 20 = 3 + 17 20 = 2 + 18 20 = 1 + 19

Add to Twenty: Practice

What number needs to be added to total twenty?

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