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Are You Connected? Fostering Exploration with Unexpected Graphs

Michael Edwards, Jeffrey Reinhardt 

February 2008, Volume 101, Issue 6, Page 412

Abstract:
The importance of unexpected calculator graphs as a vehicle for encouraging critical classroom dialogue. Specific examples are provided along with explanations and fixes for the calculator graphs. Authors give examples of student versus computer versions of graphing, how to change domain or range to make the graph easier to view, the limitations of graphing calculators, and how to eliminate graphing gaps.

Keywords:
Article
Calculators
Grades 9-12
Graphing
Geometry & Measurement
Teacher
Trigonometry
Professional Development / Teacher Education
Representation