Derek Smith

December 2007, Volume 101, Issue 5, Page 384

Abstract:

An activity with ClassPad 300 makes us think about multiple representations of the number 18 using algebra and geometry.

This month's Surfing Note tells readers about Numericana, a site packed with definitions of mathematical concepts, formulas, directions for making constructions, and more.

Edited by Robin Rider and Kathleen Lynch-Davis.

Classification:
Geometry (see also Measurement)
Measurement
Teachers
Professional Development
Technology

Additional Keywords:
Technology, Professional Development, Geometry, and Measurement