Purple Math
Purplemath: Adding & Subtracting Rational Expressions: Introduction
Finding common denominators is no problem with Purplemath. Use this lesson to learn how to add and subtract rational expressions with these great examples.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Interpretacion De Formulas
In Spanish. Interactive resources and activities dealing with algebraic expressions.
J Coffman
Joseph Coffman's Lecture Notes: Algebraic Expressions
The tutorial investigates algebraic expressions through definitions, properties, and examples. Topics include order of operations, evaluating expressions, and simplifying expressions. Students can check their understanding of the concept...
Math Planet
Math Planet: Algebra 1: Rational Expressions: Multiply Rational Expressions
How to multiply rational expressions is explained through the use of examples and a video lesson. [3:18]
Math Planet
Math Planet: Polynomials and Radical Expressions: Simplify Expressions
How to simplify an expression is explained through the use of examples and a video lesson. [2:41]
McGraw Hill
Glencoe Mathematics: Online Study Tools: Simplifying Algebraic Expressions
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of simplifying algebraic expressions.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Variables, Expressions, and Properties
This site gives a short interactive quiz which allows students to self-assess their understanding of variables, expressions, and properties.
Mangahigh
Mangahigh: Algebra: Add and Subtract Terms With Single Variables
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.
Mangahigh
Mangahigh: Algebra: Add and Subtract Terms With Multiple Variables
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.
Mangahigh
Mangahigh: Algebra: Multiply Terms
Students learn about the concept of multiplying terms by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Mangahigh
Mangahigh: Algebra: Form an Expression or Formula
Students watch an online tutorial on the concept of writing expressions. After watching, students test their knowledge by attempting ten practice problems that increase or decrease in difficulty based on their answers.
Mangahigh
Mangahigh: Algebra: Substitute Whole Numbers Into Expressions With Exponents
Students learn about the concept of evaluating expressions by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Wyzant
Wyzant: Combining Like Terms
Provides a thorough step-by-step approach to combining like terms. Takes the student through important vocabulary used, as well as examples to help explain the topic. Several pages of notes are offered along with relevant links at the end.
Discovery Education
Discovery Education: Web Math: Simplifying a Term Involving Exponents
This WebMath site offers assistance with simplifying algebraic terms involving exponents or powers.
Discovery Education
Discovery Education: Web Math: Combining Like Terms
This site explains how to simplify an expression by combining like terms. Enter an expression into the interactive "solver" and follow the step-by-step solution to learn how the answer was determined.
Discovery Education
Discovery Education: Web Math: Crunch a Numerical Expression (No Variables)
Use this "math solver" to help you understand and evaluate any numerical expression that does not involve variables. Simply type your expression in, and allow this website to provide step-by-step instructions on how to evaluate the...
Discovery Education
Discovery Education: Web Math: Crunch a Numerical Expression With Variables
Use this "math solver" to help you understand and evaluate any numerical expression, including those that involve variables. Simply type your expression in, and allow this website to provide step-by-step instructions on how to evaluate...
Math Is Fun
Math Is Fun: Degree (Of an Expression)
This learning resource investigates the degree of an expression or polynomial. Students learn about the concept through definitions and animated examples. Includes ten practice questions.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Simplifying Rational Expressions
Find a quick, concise explanation of how to simplify rational expressions. Examples are given and clearly explained.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Algebraic Expressions
Here is a site that clearly and thoroughly explains many topics related to algebraic expressions. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to...
Purple Math
Purplemath: Variable
With this Purplemath lesson, find the answer to this question with examples to show how variables are written and used.
Purple Math
Purplemath: Rational Expressions: Finding the Domain
Use this Purplemath lesson to learn everything you've ever wanted to know about simplifying rational expressions. You'll find great explanations and examples on this page.
Purple Math
Purplemath: Multiplying Rational Expressions
Not only will you learn how to multiply and divide rational expressions, but Purplemath shows you what common mistakes are made so you can avoid them.
Math Planet
Math Planet: Algebra 1: Expressions and Variables
Learn about algebraic expressions through examples and a video lesson.