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The Backpage: My Favorite Lesson
The Back Page: My Favorite Lesson: Modeling Exponential Decay

Alison L. Mall and Mike Risinger; Edited by Jennifer Wexler and Roger Day 

December 2013, Volume 107, Issue 5, Page 400

This exploration introduces students to modeling exponential decay using a variety of n-sided objects. Students collect data in context by performing a simple experiment.

“Modeling Exponential Decay” shows significant similarity to work by Henri Picciotto. Consequently, Mr. Picciotto’s work should have been added to the reference list:

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Modeling Exponential Decay: Customizable activity sheet (Word)
Modeling Exponential Decay: Excel spreadsheet

Data Collection
Data Representation
Grades 9-12