Explanation of how Pi notation describes the product of a series of factors.

## Sigma Notation (Summation Notation)

Explanation of Sigma notation, also known as Summation Notation. Explanations of how to describe a sum of terms using it, with examples.

## Combining or Collecting Like Terms

What are "like terms" in algebra, why can they be combined, and how should they be combined? Both an intuitive and an algebraic approach are described, with examples.

## Sigma and Pi Notation (Summation and Product Notation)

Explanation of how Sigma notation describes a sum of terms, with examples. Pi notation, which describes the product of a series of factors, is also introduced. Sum symbol, sum notation, summation notation, product symbol, product notation.

## Function Notation

Function notation: why it is needed, how to interpret it, and what some common operations would look like if defined using function notation.

## Notation & Concept

I use a lot of notation when working a math problem. It is familiar to me, comfortable even. So it is all too easy to forget that this same notation can get in the way for others. Math teachers have many goals for their students, mostly revolving around work and thought habits that help them …

## Multiplication Notation

Exploration of multiplication notations, and ways to help students better understand some of the notation used in algebra.