National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Polynomial Inequality Problem
This site from Drexel University answers student question about solving polynomial inequalities, "Dr. Math" provides a fairly thorough explanation in how to solve such problems.
Wolfram Research
Wolfram Mathworld: Inequality
This site provides a brief overview of inequality. Content includes a definition and several examples using graphical images. (Absolute value graphs are used in this site.)
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Adding and Subtracting Inequaliites
"Dr. Math" provides an explanation on remembering when inequalities may be added and subtracted. The explanation is in response to a question submitted by a student.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Rational Inequalities
Use this tutorial to learn how to solve rational inequalities by using a sign graph of factors and by using the test-point method. Offers a good collection of step-by-stem solutions and practice problems for you to complete.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Linear Inequalities
Using this tutorial, you'll learn how to solve linear inequalities and show the solution via interval notation and graphing.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Solving Linear Inequalities
This tutorial will show you how to use various properties of inequalities in order to solve linear inequalities and how to graph solution sets on a number line. Offers several examples showing you steps to solving inequalities and...
Math Medics
S.o.s. Math: Solving Inequalities: Basic Rules
Explains the basic rules for solving inequalities. Gives examples and exercises with solutions to practice this skill.
Oswego City School District
Regents Exam Prep Center: Multiple Choice Practice: Equations and Inequalities
Check your understanding of equations and inequalities by completing this multiple-choice practice test. You may use a graphing calculator to solve the problems and check your answers at any given time.
J Coffman
Joseph Coffman's Lecture Notes: Solving Inequalities
The lesson investigates how to solve inequalities. Definitions, formulas, examples, and a quiz are included.
J Coffman
Joseph Coffman's Lecture Notes: Graphing Two Variable Inequalities
Students learn about two-variable inequalities. The learning exercise consists of examples and an assessment on how to graph inequalities with two variables.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Solving Inequalities
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of solving inequalities by multiplying or dividing.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Solving Inequalities
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of solving inequalities by adding and subtracting.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Self Check Quiz on Inequalities
The online assessment displays knowledge of concepts used in Algebra I. The multiple choice questions test learners on linear inequalities. Topics include graphing and solving inequalities.
CK-12 Foundation
Ck 12: Algebra: Inequalities on a Number Line
[Free Registration/Login may be required to access all resource tools.] Use a number line to graph inequalities
Illustrative Mathematics
Illustrative Mathematics: 6.ee Log Ride
In this instructional task students are given two inequalities, one as a formula and one in words, and a set of possible solutions. They have to decide which of the given numbers actually solve the inequalities. There are two solutions...
Mangahigh
Mangahigh: Algebra: Inequalities
Students learn about the concept of inequalities 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: Two Inequality Signs
Students learn about the concept of double inequalities 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: Inequalities on a Number Line
Students learn about the concept of graphing inequalities 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.
CK-12 Foundation
Ck 12: Algebra: Applications With Inequalities
[Free Registration/Login may be required to access all resource tools.] Solve inequalities and represent the solution in equation notation, set notation, interval notation, or solution graph. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Algebra: Applications With Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve real-world problems involving inequalities. Students watch a video tutorial, explore guided notes and attempt practice...
Paul Dawkins
Paul's Online Notes: Algebra: Solving Equations and Inequalities
Students learn how to solve equations and inequalities. Topics examined are linear equations, quadratic equations, linear inequalities, and absolute value inequalities. The class notes are available in pdf format.
Discovery Education
Discovery Education: Web Math: Plot/graph an Inequality
This site provides a step-by-step process to graph an inequality. Simply type in your expression, and the website will graph the expression as well as explain how and why it did what it did.
CK-12 Foundation
Ck 12: Checking Solutions to Inequalities
[Free Registration/Login Required] Students will determine if the given number is the solution to the inequality. Click challenge me to answer a pactice question and click learn more to watch a video.
CK-12 Foundation
Ck 12: Algebra: Applications With Inequalities
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve real-world problems involving inequalities. Students watch a video tutorial, explore guided notes and attempt practice...