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  1. SUM Definition & Meaning - Merriam-Webster

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

  2. Sum - Simple English Wikipedia, the free encyclopedia

    Sum The sum of two numbers is their value added together. This operation is called additive summation or addition. There are many ways of writing sums, including: Addition ( ) …

  3. Summation Symbol (∑)

    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.

  4. What is Sum? Definition, Formulas, Examples, Facts - SplashLearn

    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.

  5. Sum | Definition, Examples & Practice - BrightChamps

    Oct 16, 2025 · In mathematics, addition is one of the four basic mathematical operations. The sum is the result of adding two or more numbers. In this article, we will discuss what a sum is, …

  6. Sum - Meaningful Math

    Understanding Sum in Mathematics The sum is the result of combining two or more numbers in an addition problem. It represents the total or whole when parts are joined together. For …

  7. Sum in Math | Definition, Examples & Formulas - GeeksforGeeks

    Aug 6, 2025 · In mathematics, the term "sum" refers to the result obtained by adding two or more numbers or quantities together. It's a fundamental arithmetic operation used to find the total of …

  8. Sum Meaning - BYJU'S

    In this article, you will learn the definition of sum, and how to find the sum of numbers in different situations along with illustrations. In mathematics, the sum can be defined as the result or …

  9. Sum Definition (Illustrated Mathematics Dictionary)

    Illustrated definition of Sum: The result of adding two or more numbers. Example: 9 is the sum of 2, 4 and 3 (because 2 + 4 + 3 = 9). Drag...

  10. What is the sum? A Guide For Teachers And Students

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