The result of adding two or more numbers.

Example: 9 is the sum of 2, 4 and 3

(because 2 + 4 + 3 = 9).

Drag the numerals to the two blue boxes to sum them:

Example: 9 is the sum of 2, 4 and 3

(because 2 + 4 + 3 = 9).

Drag the numerals to the two blue boxes to sum them:

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