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If Only Clairaut Had Dynamic Geometry Tools

Hyewon Chang and Barbara J. Reys

Using Clairaut's historic-dynamic approach and dynamic geometry tools in middle school can develop students' conceptual understanding before they encounter formal proof in geometry.

Journal Article

Cover Mathematics Teaching in the Middle School

In Mathematics Teaching in the Middle School Volume 19 (2013): Issue 5 (Dec 2013)

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What's Inside the Cube? Students' Investigation with Models and Technology

Samuel Obara and Zhonghong Jiang

Applying Zometool, vZome software, and The Geometer's Sketchpad to tetrahedrons nested in cubes enhances students' spatial visualization skills.

Journal Article

Cover The Mathematics Teacher

In The Mathematics Teacher Volume 105 (2011): Issue 2 (Sep 2011)