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Mathematical Lens
Mathematical Lens: Georgia on My Mind

Edited by Ron Lancaster and Brigitte Bentele 

November 2011, Volume 105, Issue 4, Page 250

Abstract:
Students analyze a photograph to solve mathematical questions related to the images captured in the photograph. This month, an unusually-shaped building and odd speed limit signs give rise to some proportional reasoning, right-triangle trigonometry, and thoughts on the harmonic mean of two numbers.

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Mathematical Lens - November 2011 - Photo 1
Mathematical Lens - November 2011 - Photo 2
Mathematical Lens - November 2011 - Photo 3
Mathematical Lens - November 2011 - Photo 4
Mathematical Lens - November 2011 - Additional Photo

Keywords:
Article
Activities
Grades 9-12
Teacher
Mean / Median / Mode
Trigonometry
Problems
Problem Solving / Problem Posing
Sequences / Series