Math Forum @ Drexel: Introduction to The Geometer's Sketchpad
Radnor High School Mathematics Department
Thursday, March 14, 2002

This series of activities is designed to serve as an introduction to GSP and how it might be used across the high school curriculum.

   Constructing a Square

Adapted from the GSP Learning Guide
Learning about Sketchpad's freehand drawing and construction tools
   Points "Lining Up" in the Plane
From Teaching Mathematics with GSP
Playing with the coordinate plane and developing intuition about slopes and lines

   The Slope Intercept Form of a Line

From Exploring Algebra with GSP
Graphing y = mx + b as a single line and then exploring whole families of lines

   Distances in an Equilateral Triangle

From Teaching Mathematics with GSP
Using Sketchpad to support conjecture and proof
   Parabolas in Vertex Form
From Teaching Mathematics with GSP
Investigating parabolas of the form a(x - h)2 + k
   Going Off on a Tangent
From Teaching Mathematics with GSP
Exploring the slope of the secant line of a function and its relation to derivatives
The Geometer's Sketchpad Learning Guide, Teaching Mathematics with The Geometer's Sketchpad, and Exploring Algebra with The Geometer's Sketchpad are all copyright 2002 by Key Curriculum Press. The first two are available as part of the software package, The Geometer's Sketchpad, while the third is available separately from Key Curriculum Press.

Shelly Berman & Annie Fetter
Send comments/questions to the presenters.

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