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The name of the two numbers added together in an addition sum is the addends.

Ans 2.

An addition equation contains three numbers.

The first number is called the augend from the latin "that which is to be increased"

The second number is called the addend - from the latin "that which will be added"

The third number is called the sum from the latin summa or "highest"

It is interesting that this implies that the sum will be higher than either of the other two; in other words these names were given back in the days when mathematicians felt that negative numbers were somehow improper.

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15y ago

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