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In maths, what does the word sum mean?
Sum is the name for the answer when we add.
What is the sum of 2 and 3?
The sum of 2 and 3 is 5 because 2 + 3 = 5
Is the answer still called the sum if we add three numbers?
Yes. The sum of 1, 2 and 3 is 6 because 1 + 2 + 3 = 6
Is the answer still called the sum if we add lots of numbers?
Yes. We can add as many numbers as we like and the answer is still called the sum.
SAMPLE QUESTION
5 10 15 20
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