What does "product" mean in math? Learn the definition of the word "product," whether it applies to addition or multiplication, and how to find a product of two numbers.

A 'sum' is the mathematical result of adding two or more numbers. Let us take an example of two numbers, 5 and 7. The term 'sum' means that you have... See full answer below.

Discover the sigma notation. Learn how to use the sigma notation, its properties, formulas, and applications.

Learn about estimating in math. Discover what estimates are with the estimate definition, see estimate examples in math, and learn how to estimate numbers.

Learn about sequences and series. Explore summation and how to use summation notation. Understand how to write a series in summation notation with examples.

So, what does it mean to regroup in math? When adding multi-digit numbers, there are often times when the sum of the numbers will be greater than 9.

The mean value of a set of numbers in math is the average of those numbers. You can calculate the mean value by adding up the numbers and then dividing the result by the number of numbers.

One important use of the uppercase sigma symbol in mathematics is in summation notation. In summation notation, the sigma meaning refers to the sum, or addition, of multiple numbers or …

What does median mean in math? Learn the method to find a median using two different formulae and learn when to use which formula.

Learn the FOIL definition in math and see how it is used as an acronym to multiply binomials. Study FOIL examples to understand how the FOIL method works.