Learn how to solve equations and simplify expressions through the use of examples and a video lesson. [1:20]

This Algebra lesson focuses on writing algebraic expressions to represent real-world problems, using the properties of numbers to simplify expressions, and evaluating equations by isolating the variable.

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...

Practice exercise reviews radicals including writing the expression in exponential form, evaluating simplifying and multiplying them, and rationalizing the denominator.

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.