Unit Plan
Texas Education Agency

Texas Gateway: Absolute Value Inequalities

For Students 9th - 10th
This activity provides an opportunity for students to examine how to find solutions to an absolute value inequality.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Absolute Value Sentences

For Students 9th - 10th
Twenty-five problems present a variety of practice solving absolute value equations as two linear equations and a compound inequality for the absolute value inequality. Also, there is practice graphing, checking solutions and finding...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Absolute Value Inequalities

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Students explore the concept of solving absolute value inequalities by watching a video, examining guided notes and attempting practicd problems.
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Absolute Value Inequalities

For Students 9th - 10th
Detailed math tutorial features notes and examples that illustrate how to solve inequalities that involve absolute value. The process for solving inequalities with a (i.e. greater than).
Interactive
Cool Math

Coolmath: Solving Absolute Value Equations

For Students 10th - 12th
Decription and examples of how to solve absolute value equations.
Activity
Texas Instruments

Texas Instruments: Solving Absolute Values

For Teachers 9th - 10th
The students can use a StudyCards stack to learn how to solve absolute value equations and inequalities. Later, they will learn how to use the calculator graphing capabilities to solve the same type of problems in a new way.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Absolute Value Inequalities

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve absolute value inequalities and show the solution graph. Students can watch a video tutorial, explore guided notes and attempt practice...
Interactive
Cool Math

Coolmath: Solving Absolute Value Inequalties With Less Than

For Students 10th - 12th
Descrption and examples of solving absolute value inequalities.
Interactive
Cool Math

Coolmath: Solving Absolute Value Inequalties With Greater Than

For Students 10th - 12th
Descrption and examples of solving absolute value inequalities.
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...
Activity
Texas Instruments

Texas Instruments: Absolute Values

For Teachers 9th - 10th
This set contains questions about graphs of V - shaped absolute value functions. Students are asked to determine maximum and minimum values, state whether the graph is opening up or down, and solve absolute value inequalities.
Activity
Math Medics

S.o.s. Math: Absolute Value Inequalities

For Students 9th - 10th Standards
After explaining the geometric definition of absolute value, this lesson will guide you through several examples in solving inequalities that involve absolute value. Practice exercises and their solutions are also included.
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
CK-12 Foundation

Ck 12: Algebra: Absolute Value Inequalities

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve problems involving absolute values and inequalities. Students can watch a video tutorial, explore guided notes and attempt practice...
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.
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
Lawrence Hall of Science

The Math Page: Skill in Algebra: Absolute Value

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains many topics related to absolute value, including solving equations and inequalities involving absolute values. There are example problems solved, problems for the student to attempt,...
Handout
CK-12 Foundation

Ck 12: Algebra: Absolute Value Equations and Inequalities Study Guide

For Students 9th - 10th
This comprehensive study guide highlights the main terms and formulas needed to understand absolute value equations and inequalities. Examples are included.
Activity
Paul Dawkins

Paul's Online Notes: Algebra: Solving Equations and Inequalities

For Students 9th - 10th Standards
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.
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Inequalities and Absolute Value Case Method

For Students 9th - 10th
"Dr. Math" responds to a student question on how to use the case method in solving absolute value ienqualities.
Unknown Type
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Inequalities and Absolute Value

For Students 9th - 10th Standards
Practice using your graphing calculator for solving inequalities and absolute value problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Unknown Type
J Coffman

Joseph Coffman's Lecture Notes: Solving Absolute Value Equations

For Students 9th - 10th Standards
The lesson examines solving absolute value equations and inequalities. Students learn about extraneous solutions, conjunctions, and disjunctions. Definitions, formulas, examples, and a quiz are included.
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.
Activity
Richland Community College

Rcc: Solving Inequalities Algebraically and Graphically

For Students 9th - 10th
Straightforward explanations on how to solve inequalities. Includes linear inequalities, double inequalities, absolute value inequalities, polynomial inequalities, and rational inequalities.