Handout
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Solving Linear Inequalities: Picture a Number Line

For Students 9th - 10th Standards
Dr. Math presents a visual (graphical) approach to solving a conjunction inequality.
Handout
Purple Math

Purplemath: Solving Quadratic Inequalities: Concepts

For Students 9th - 10th Standards
Introduces a conceptual basis for solving quadratic inequalities, looking at linear inequalities and using a knowledge of what quadratic graphs look like.
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Solving Inequalities

For Students 9th - 10th Standards
This site goes through steps to graph an inequality posed by a student.
Unknown Type
Khan Academy

Khan Academy: Inequality From Graph

For Students 6th - 7th Standards
Practice choosing inequalities that represent a graph.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Polynomial Inequality Problem

For Students 9th - 10th Standards
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.
Activity
Purple Math

Purplemath: Solving Polynomial Inequalities

For Students 9th - 10th
Demonstrates the 'factor table' method for solving polynomial inequalities.
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.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.b: Integer Solutions to Inequality

For Teachers 9th - 10th
This task provides an instance of illustrating cluster without being limited to only linear equalities. Aligns with A-REI.B.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Inequalities With Like Terms

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Use combining like terms to solve inequalities
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Inequalities With the Distributive Property

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Students will use the distributive property to solve inequalities. Students can master the concept by watching videos, examining guided notes, reviewing vocabulary...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Checking Solutions to Inequalities

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing and solving basic inequalities. Students watch a video tutorial, explore guided notes and attempt practice problems.
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
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Solving a Logarithmic Inequality

For Students 9th - 10th
"Dr. Math" from Drexel University responds to a student question about solving a logarithmic inequality.
Handout
National Council of Teachers of Mathematics

The Math Forum: Nctm: Ask Dr. Math: Solving Inequalities

For Students 9th - 10th Standards
In response to a student question about solving an inequality, "Dr. Math" provides a general discussion of what is necessary to solve these types of problems.
Activity
University of Regina (Canada)

University of Regina: Math Central: Solving Absolute Value Inequality

For Students 9th - 10th
In response to a student submitted problem that involves an absolute value inequality, a solution to the problem with an explanation of steps is given for you to follow. Site by University of Regina.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Solving Inequalities W/ Absolute Values

For Students 9th - 10th
In responding to a student question on how to solve absolute value inequalities, "Dr. Math" explains why it is necessary to solve two inequalities.
Unknown Type
Interactive Mathematics

Interactive Mathematics: Solving Inequalities W/ Absolute Value

For Students 9th - 10th
These examples can help you solve absolute value inequalities. They show each step and are easy to follow. The last example demonstrates how to graph the solution.
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Solving Inequalities and Absolute Values

For Students 9th - 10th Standards
"Dr. Math" provides an indepth explanation in solving inequalities that involve absolute value. The indepth explanation revolves around a specific problem sent in by a student. This site includes a graph of the absolute value problem.
Activity
Purple Math

Purplemath: Absolute Value Inequalities

For Students 9th - 10th
Purplemath.com offers a discussion is presented on how to solve absolute value inequalities. This lesson contains worked problems of solving absolute value inequalities and finding absolute value expressions given the solution.
Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Inequalities

For Students 9th - 10th
This University of Saskatchewan looks at the basic rules of solving inequalities, concentrating on inequalities with absolute values. Includes example problems and exercises with their solutions.
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.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Linear Inequalities

For Students 9th - 10th Standards
Using this tutorial, you'll learn how to solve different types of linear inequalities by viewing step-by-step written solutions as well as completing practice problems.
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.

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