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
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...
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
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.
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.
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.
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.
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.
Unit Plan
Windstream

Ojk's Precalculus Study Page: Linear Inequalities and Absolute Value

For Students 9th - 10th Standards
This tutorial demonstrates how to solve linear equalities. It also defines absolute value and demonstrates how to solve problems involving absolute value.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: Intermediate Algebra

For Students 9th - 10th
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...