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Etty Wanda and the Have a Heart Problem - Reflect and Discuss

Susan Addington 

October 2006, Volume 13, Issue 3, Page 148

Abstract:
This article includes a fictional story featuring Etty Wanda, a girl who likes to point out mathematical errors, and Mrs. Grey, an evil sorceress who poses a paradoxical math problem that asks about comparing area with perimeter.

Keywords:
Article
Grades 3-5
Conceptual Development
Communication
Area
Teacher
Modeling
Problems
Problem Solving / Problem Posing
Perimeter / Circumference
Reasoning and Proof
Representation