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April 2010, Volume 15, Issue 8

FEATURES

Tech-Knowledgy and Diverse Learners
Jennifer M. Suh
When teachers know how to use unique computer applications, they can address varying cognitive needs of students.

Map Scale, Proportion, and Google Earth
Martin Roberge, Linda Cooper
Images from Google™ Earth help students learn about map scale and proportional reasoning.

A Historical Perspective from a to c
Thomas Edwards, S. Asli Özgün-Koca
Using quadratic functions as an example, see how evolving technology has altered the expectations of students’ understanding and critical thinking.

Constructing Spatial Understanding
Samuel Obara
Interactive geometry software can help preservice teachers and their students draw connections between two-dimensional nets and three-dimensional solids.

Graphing Calculators as Tools
Christine Browning, Gina Garza-Kling
The many uses of handheld technology for learning math involve specialized knowledge that is framed as TPACK: technology, pedagogy, and content knowledge.