On The Shoulders of Technology

Ideas for Using Technology in the

Mathematics Classroom

By Frank Sobierajski

fsobierajski@nrwcs.org

 

Bridging the Digital Divide

Albany, NY

November 21, 2005

 

 

 

Spreadsheet Sliders

?

 

Software: Excel

®

,

?

 

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®, Geometer Sketchpad®

•

 

Many sources

•

 

A special thank you to Alan Russell from Elon U

•

 

Also see: Fractals for the classroom by Maletsky, Pe

rciante, Yunker, Peitgen, Saupe,

Jurgens, NCTM 1995

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—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

Teaching while away.

?

 

Software: Geometer Sketchpad ,Windows Journal, Camt

asia Studio, TI Smartview.

?

 

Out of necessity… or good substitutes are hard to fi

nd.

Chaos—Newton’s Square Root Algorithm

?

 

Software: Excel® /AppleWorks®

?

 

Adopted from: Newton’s Method for Square Root: A s

preadsheet investigation and

Extension into Chaos by Sharon Dugdale, Mathematics

Teacher, October 1998

Also see:

Chaotic Behavior in the Classroom

, Mathematics Teacher,

Feb. 2000

Dynagraphs

?

 

Software: Geometer Sketchpad

®

 

?

 

Adopted from: Sample files on Sketchpad CD

 

Other Resources:

?

 

 

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.