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

Nov 4, 2025 · Use this calculator to find the sum of a data set. Enter values separated by commas or spaces. Or copy and paste lines of data from spreadsheets or text documents. See all …

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

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.

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

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.

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.

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 …

Definition of sum noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

When you take two or more numbers to add them, you have a total sum of two or more numbers. For instance, if this cat gives birth to 3 kittens, she is adding to her family.