The meaning of SUM is an indefinite or specified amount of money. How to use sum in a sentence.

The result of adding numbers or quantities. The sum of 6 and 9, for example, is 15, and the sum of 4 x and 5 x is 9 x.

sum noun (CALCULATION) [ C ] a calculation, especially a simple one, using such processes as adding, taking away, multiplying, or dividing:

In mathematics, the sum of two numbers is the number that is obtained when they are added together.

The sum can be defined as the result of the addition of two or more numbers. Learn the definition, how to find the sum on the number line, solved examples, and more.

The word sum is primarily used in mathematical contexts to denote the total achieved by adding numbers together. It can also refer to a concise statement or abstract of the main points of an …

sum noun [C] (TOTAL) the total amount that you get when you add two or more numbers together:

In math, the summation symbol (∑) is used to denote the summation operation, which is a way of expressing the addition of a sequence of terms.

When trying to find the sum of multiple numbers, or larger numbers, it is helpful to remember the properties of addition. In particular, the commutative and associative properties of addition …

Oct 21, 2025 · The sum is the total, or summation, of two or more numbers or addends added together. For example, 8 + 3 = 11.