Activity
Education Development Center

Absolute Value Reasoning

For Students 6th - 7th Standards
Teach solving absolute value inequalities through inquiry. Groups use their knowledge of absolute value and solving inequalities to find a solution set to an absolute value inequality. Working collaboratively encourages discussion,...
Lesson Plan
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Illustrative Mathematics

Integers on the Number Line 2

For Teachers 5th - 7th Standards
Four inequality statements are given for the same two negative numbers. The resource is a good practice for pupils to interpret statements of inequalities relative to the position on the number line. The objective is for pupils to...
Activity
5280 Math

Capture the Points

For Teachers 8th - 10th Standards
Play a game of capture the points. Young scholars receive a number line with specific points graphed and must write an inequality that captures all the points. The second task of the algebra project is to write an inequality with...
Lesson Plan
Illustrative Mathematics

Comparing Temperatures

For Teachers 5th - 7th Standards
Which is colder -12 or -18? Temperature is natural real-world application of ordering rational numbers. It's also fun to talk about the lowest recorded temperature on Earth. Take the time to discuss this inquiry with your class. 
Activity
101 Questions

The Island Green

For Students 9th - 12th Standards
The task will fit your needs to a tee. Given pictures and dimensions of a golf green, future golfers determine the distance it would take for a golf ball to land on the green. Of course, we want some mathematical connections, so they...
Activity
Pedago Net

Acing Math

For Teachers 2nd - 8th
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
Activity
Cool Math

Coolmath: Absolute Value Inequalities<

For Students 6th - 9th Standards
This Algebra Cruncher generates an endless number of practice problems for absolute value inequalities with "less than" with solutions and hints!
Activity
Cool Math

Coolmath: Absolute Value Inequalities >

For Students 6th - 9th Standards
This Algebra Cruncher generates an endless number of practice problems for absolute value inequalities with "greater than" with solutions and hints!
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
Other

Georgia Perimeter College: Absolute Value Inequalities

For Students 9th - 10th
This resource explains how to solve absolute value inequalities using a graphing calculator and it gives examples.
Activity
Texas Instruments

Texas Instruments: Verify Absolute Value Inequalities With a Graphical Approach

For Teachers 9th - 10th
Find the solution sets of absolute value inequalities like abs(x-3)5 using the equation editor (y=). Focus on finding the boundaries of inequality intervals.
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
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.
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
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,...
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.
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.
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
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.
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
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Activity
AAA Math

Aaa Math: Comparing Integers

For Students 3rd - 8th Standards
Students practice comparing integers with absolute values. The resource has learners determine if the first integer is more than, the same as, or less than the second integer.
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.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Inequalities and Absolute Value

For Students 9th - 10th
"Dr. Math" responds to a student question regarding how to solve inequalities that involve absolute value.