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Using Covariation Reasoning to Support Mathematical Modeling

Erik Jacobson

Table representations of functions allow students to compare rows as well as values in the same row.

Journal Article

Cover The Mathematics Teacher

In The Mathematics Teacher Volume 107 (2014): Issue 7 (Mar 2014)

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Spaghetti Sine Curves: Virtual Environments for Reasoning and Sense Making

S. Asli Özgün-Koca, Michael Todd Edwards, and Michael Meagher

The Spaghetti Sine Curves activity, which uses GeoGebra applets to enhance student learning, illustrates how technology supports effective use of physical materials.

Journal Article

Cover The Mathematics Teacher

In The Mathematics Teacher Volume 107 (2013): Issue 3 (Oct 2013)