Activity
Interactive Mathematics

Interactive Mathematics: Solving Inequalities

For Students 9th - 10th Standards
Several examples are presented in this tutorial to demonstrate how to solve inequalities in one variable.
Activity
Help Algebra

Help algebra.com: Polynomial and Rational Inequalities

For Students 9th - 10th
Learn to solve inequalities and how to graph their solutions on a number line. The examples contain quadratics and rational expressions.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Inequality Expressions

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to express inequalities using various notation and by graphing.
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Khan Academy

Khan Academy: Inequality From Graph

For Students 6th - 7th Standards
Practice choosing inequalities that represent a graph.
Unit Plan
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Absolute Value Inequalities

For Students 9th - 10th Standards
Find a quick, concise explanation of how to solve an absolute value inequality. Step by step examples are included to help you understand how to solve this inequality by breaking it into a compound inequality.
Website
Discovery Education

Discovery Education: Web Math: Algebra

For Students 9th - 10th
This WebMath site provides links to tutorials and lessons in both Algebra I and II. Links to topics such as factoring, solving equations, polynomials, simplifying equations, graphing, and much more.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Checking Solutions to Inequalities

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] On this site students learn to verify that solutions to inequalities are correct. Students can watch video tutorial, look at key vocabulary and attempt practice...
Activity
Purple Math

Purplemath: Solving Polynomial Inequalities

For Students 9th - 10th
Demonstrates the 'factor table' method for solving polynomial inequalities.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Quadratic Inequalities

For Students 9th - 10th
Using this tutorial, you'll learn two methods of solving quadratic inequalities: using a sign graph of factors and using the test-point method. Offers step-by-step written examples, and practice problems for you to complete.
Activity
Other

Algebra Practice Pages: Solving Inequalities

For Students 9th - 10th
An interactive inequality solver allows you to practice solving problems that are randomly generated. You can practice on your own, then check your steps and the solution.
Activity
Other

Algebra Practice Pages: Solving Multistep Inequalities

For Students 9th - 10th
Check your work and your answers as you solve these interactive inequalities. The problems are randomly generated to provide endless practice.
Activity
Math Is Fun

Math Is Fun: Solving Inequalities

For Students 9th - 10th Standards
Learners investigate how to solve inequalities. The educational resource consists of notes about the concept, detailed examples, and practice problems.
Activity
Cool Math

Coolmath: Compound Inequalities

For Students 5th - 9th Standards
This algebra lesson explains how to solve compound inequalities.
Activity
Texas Instruments

Texas Instruments: Quadratic Inequalities

For Teachers 9th - 10th
Students solve quadratic inequalities using graphs, tables, and algebraic methods.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Inequality Expressions

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Write inequalities represented by a graph and graph inequalities on a number line.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Log Ride

For Teachers 5th - 8th Standards
For 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...
eBook
Math Planet

Math Planet: Solving Compound Inequalities

For Students 9th - 10th
Provides an explanation, examples, and a video lesson all related to compound inequalities.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Relations and Functions

For Students 9th - 10th Standards
Hotmath provides 25 practice problems dealing with relations, functions, and their graphs. Each of the practice problems include a step-by-step guide for solving their Algebraic problem.
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Oswego City School District

Regents Exam Prep Center: Multiple Choice Practice: Equations and Inequalities

For Students 9th - 10th Standards
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.
Unit Plan
Khan Academy

Khan Academy: Testing Solutions to Equations

For Students 5th - 7th Standards
Practice plugging in values to equations and checking to see if the equations hold true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Testing Solutions to Inequalities

For Students 5th - 7th Standards
Practice plugging in values to inequalities and checking to see if the inequalities hold true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Texas Instruments

Texas Instruments: Inequalities, They Are Not Just Linear Anymore!

For Teachers 9th - 10th Standards
Students study quadratic relationships and explore the process of graphing quadratic inequalities and systems of quadratic inequalities. They will solve these inequalities algebraically and graph them on a coordinate plane.
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Khan Academy

Khan Academy: Writing Inequalities to Describe Real World Situations

For Students 6th - 8th Standards
In this exercise, students practice writing inequalities to describe real-world situations. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Testing Solutions of Inequalities

For Students 6th - 8th Standards
In this exercise, students practice testing solutions of inequalities. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.