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.

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

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

What are quantities beyond math? Learn the definition of "quantity" and how quantity is expressed in mathematics. View examples of how quantity is used in math and in other sciences.

The sigma notation tells you to find the sum of a set of numbers for which it provides the index, the lower and upper limit, and a formula/rule, using which the numbers are produced.

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.

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

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 …

Read the definition of regrouping in mathematics and other terms. Learn more about how to regroup numbers in addition and subtraction by considering some examples.