It is called an addend
This is called addition.
Addend
addends
They're are called addends
It is the "additive identity".
sum= answer of an addition question.. so the number of the sum is the answer.
zero property of addition! =D
A number close to an exact number is called an estimate or a ballpark figure.
The second number in an addition equation is called the "addend." In an equation like 3 + 5 = 8, the number 5 is the addend that follows the first addend, which is 3. The result of the addition is known as the "sum."
The numbers to be added are called addends. The answer is called the sum.
This action is called DIVISION. The opposite of this, continuous addition is MULTIPLICATION.
Numbers that are added are called addends or terms.