This site provides students practice with the concept of simplifying expressions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.

[Free Registration/Login may be required to access all resource tools.] In this lesson students add and subtract polynomial expressions and simplify polynomials by combining like terms. Students can watch a video tutorial, explore guided...

A detailed explanation of polynomials and like terms is followed with many examples of how to add and subtract them. Lessons for the teacher as well as interactive examples for the students provide plenty of opportunities for practice....

This site provides students practice with the concept of simplifying expressions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.

Demonstrates how to add polynomials using both the horizontal and vertical formats.

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