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,...
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...
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
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
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
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.
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,...
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
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
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
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.
Activity
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: The Formal Rules of Algebra

For Students 9th - 10th
Here is a site that clearly and thoroughly explains all the rules of algebra from commutative and associative rules through rules for exponents and logarithms. A great review of the important rules from Algebra I and Algebra II! Point...