Starting Points
Ideas for Using Technology in the
Mathematics Classroom
By Frank Sobierajski
fsobierajski@nrwcs.org
Sparking a Revolution in Learning
NECC
Philadelphia, PA
June 29, 2005
A Treasure Hunt using Locus Definitions
?
Software: Geometer Sketchpad
®
?
Adopted from: Idea heard in a discussion with a col
league.
Spreadsheet Sliders
?
Software: Excel
®
, Sorry AppleWorks
®
doesn’t have this feature.
?
Adopted from:
Spreadsheet Sliders as new graphing tools.
Presented by Sergei
Abramovich and Rory Szwed, NCTM Chicago 2000
?
Also see:
Making Sense of Slope
, Mathematics Teacher
Feb. 2000, p. 114
Sliders in Sketchpad
?
Software: Geometer Sketchpad
®
?
Adopted from:
Visualizing Functions: Introductory Algebra Activiti
es with The Geometer
Sketchpad
by Nicholas Jackiw, NCTM Pittsburgh 1999
Fractal drawing
?
Software: Word
®
/AppleWorks
®
?
Adopted from:
Focus on Fractals
by Dr. Evan M. Maletsky, NCTM Boston 1995 & some
original ideas.
More Fractals
?
Software: Geometer Sketchpad
®
?
Some original ideas with a little help from my frien
ds—with special thank you to Alan
Russell.
The Chaos Game
?
Software: Excel
®
?
Adopted from: Various Sources
Digital Images—Problems Around Us
?
Digital Camera
?
From: Some original ideas, others from various sour
ces
Digital Images—Making Parabolas
?
Software: Geometer Sketchpad
®
?
Adopted from:
Using A Digital Camera To Verify Quadratic Behavior
, by Harris S. Shultz,
Mathematics Teacher
, April 1999
Digital Images—Permutations & Combinations
?
Software: PowerPoint
®
?
Adopted from:
Photographs and Committees: Activities That Help St
udents Discover
Permutations and Combinations
, by Jennifer Earles Szydlik, Mathematics Teacher
,
February 2000
Digital Images—Transformations
?
Software: PowerPoint
®
?
From: Chip Pierce—used with permission.
Digital Images—Video to frame a problem
?
Software: PowerPoint
®
/Excel
®
/Video Editing Software/TI Interactive
®
/Sketchpad
®
?
Original Idea!
?
Basketball video copyright ESPN 2003
The Birthday Problem
?
Software: Excel
®
/AppleWorks
®
?
Adopted from: Original Idea!
?
Also see:
Exploring the Birthday Problem with Spreadsheets
by Lawrence M. Lesser,
Mathematics Teacher
May 1999
Dynagraphs
?
Software: Geometer Sketchpad
®
?
Adopted from: Sample files on Sketchpad CD
Other Resources:
Chaos—Newton’s Square Root Algorithm
?
Software: Excel
®
/AppleWorks
®
?
Adopted from:
Newton’s Method for Square Root: A spreadsheet inv
estigation and Extension
into Chaos
by Sharon Dugdale, Mathematics Teacher, October 19
98
?
Also see:
Chaotic Behavior in the Classroom
, Mathematics Teacher,
Feb. 2000
Free Math Clipart and Fonts
?
Software: Netscape
®
/Internet Explorer
®
?
Website:
http://www.educaide.com/downloads/graphics.html
Math Jeopardy & Other Games People Play
?
Software: PowerPoint
®
/HyperStudio
®
?
Adopted from: Technology Tips by Mary Kathryn Geesa
man
,
Mathematics Teacher
, January
2000
Make your own Clipart!
?
Software: Geometer Sketchpad
®
Email:
fsobierajski@nrwcs.org
in the subject line type:
points.
Your comments on this session are also welcome.
Back to top