Unit Plan
Math Planet

Math Planet: Solving Absolute Value Equations and Inequalities

For Students 9th - 10th
The absolute value of a number a is written as |a| and represents the distance between a and 0 on a number line. An absolute value equation is an equation that contains an absolute value expression. The equation |x|= a has two solutions...
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Khan Academy

Khan Academy: Two Step Inequality Word Problems

For Students 7th Standards
Practice solving two-step inequality word problems.
Unknown Type
Khan Academy

Khan Academy: Two Step Inequality Word Problems

For Students 6th - 8th
Try some self-correcting practice two-step inequality word problems.
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.
PPT
Sophia Learning

Sophia: What Is an Inequality?

For Students 6th - 8th
This lesson defines the term inequality.
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.
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.
Activity
Texas Instruments

Texas Instruments: Inequality Graphing App

For Teachers 9th - 10th
This activity investigates the use of the Inequality Graphing App of the TI-83 Plus/TI-84 Plus to solve a linear programming problem.
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.
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.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Applications With Inequalities

For Students 6th - 9th Standards
[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...
Activity
Cool Math

Coolmath: Compound Inequalities

For Students 5th - 9th Standards
This algebra lesson explains how to solve compound inequalities.
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
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra: Linear Inequalities

For Students 9th - 10th Standards
Using this tutorial, you'll learn how to solve linear inequalities and show the solution via interval notation and graphing.

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