Transcript NCTM Web Sketchpad Presentation

“Publish or Perish”
Geometer Sketchpad Applets
by Jeff Goldstein
Virginia Beach City Public Schools
Princess Anne Middle School
Introductions: Who, Where, What can I expect?
Procedures
How do I …?
Requirements
Reasons for Geometer’s Sketchpad:
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Interactive Software
Relatively easy to program?
Some Library Packages
Internet applets
It’s fun to “play” and learn!
Requirements Sketchpad Publishing:
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Student Sketchpad works fine (some except.)
IBM or Apple Hardware
Of course … a web page 
Must upload the jsp folder found on the CD &
place folder on the page with your applets
• Internet Explorer (local or web)
• Save your Sketchpad Applets as .html
• Upload these files to your directory
Example 1: Quadrilateral Midpoint Conjecture
This should make you a little curious about Geometry.
a. Run the Midpoint Conjecture.
b. Follow each step
c. Change the shape to try to make your conjecture
false.
d. Still interested?
Exercise 1:
Use Geometer’s Sketchpad to create Triangle ABC
a. Create each point using the Segment Feature
b. Label it: “Triangle Exercise” 18 point Red
c. Save it as “Triangle”
d. Save it as an HTML
e. Test it on the Internet Explorer.
More Complex Examples
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External Hex Angles
Clock
Algebra Connection to y = mx + b
Dilations
Drawing paths (loci)
These slides and the Sketchpad files are posted:
http://www.jeffgold.net/
e-mail any questions to me at:
[email protected]
or
[email protected]