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A Surprisingly Radical Problem

Sarah D. Ledford, Mary L. Garner, and Angela L. Teachey 

September 2012, Volume 106, Issue 2, Page 114

Abstract:
Interesting solutions and ideas emerge when preservice and in-service teachers are asked a traditional algebra question in new ways.

Keywords:
Rational
Discourse / Questioning / Argumentation
Article
Calculators
Grades 9-12
Teacher
Problem Solving / Problem Posing