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A Conceptual Approach to Absolute Value Equations and Inequalities

Mark W. Ellis and Janet L. Bryson 

April 2011, Volume 104, Issue 8, Page 592

Abstract:
Using number lines sweeps away the mystery of working with absolute values and empowers students to make connections between procedures and concepts.

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Additional problems relating to absolute value (PDF)

Keywords:
Grade 7
Grade 8
Algebra
Communication
Grades 9-12
Math Coordinator / Coach
Teacher
Inequalities
Representation