How to simplify radical expressions is explained through the use of examples and a video lesson. [2:29]

A wealth of resources to help you in planning classroom instruction on rational expressions: lesson plans offer guidelines for and examples of simplifying, adding and subtracting, multiplying and dividing rational expressions; practice...

Simplify rational expressions that contain rational expressions within their numerators or denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice exercise reviews rational exponents including how to simplify or evaluate expressions and write the answer with either positive or no exponents.

Here is a site that clearly and thoroughly explains removing grouping symbols like parentheses, braces, and brackets. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this...

Generate equivalent expressions using two additive properties. This video focuses on using the associative and commutative properties of addition to combine like terms, simplify expressions, and create equivalent expressions.

The goal of this activity is for middle schoolers to use manipulatives to add integers, creating concepts rather than memorizing rules. This activity will be related to the 300 Spartans who battled the invading Persians at the Battle of...

This Purplemath tutorial shows three methods for multiplying polynomials: distribution, FOIL, and columns.