Category Archives: Math Software

Polar Graphing

Posted on May 1, 2013 by Scott Steketee
http://www.youtube.com/watch?v=X6rBrby7aic&w=640&h=456]

After writing yesterday’s post on the connections between polar and Cartesian graphs, I realized that I hadn’t said anything about how easy it is to start from scratch and create a polar graph in Sketchpad, so I decided to write … Continue reading →

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Cartesian and Polar Graphs

Posted on April 30, 2013 by Scott Steketee
http://www.youtube.com/watch?v=aqvksICv99E&w=640&h=360]

The May 2013 Mathematics Teacher has an excellent article by Jonathan F. Lawes (“Graphing Polar Curves”) on the value of plotting the same function in both polar and rectangular coordinates. Doing so not only helps students understand how polar coordinates … Continue reading →

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Taking Ownership of Mathematical Ideas

Posted on March 21, 2013 by Daniel Scher
http://www.youtube.com/watch?v=us2RPA1QehQ&w=420&h=315]

Of the many reasons that I chose to major in mathematics, perhaps the most compelling to me was this: Mathematics is beautiful. Yes, mathematics could be practical, but it was the sheer beauty of its proofs that left me awestruck. … Continue reading →

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Teachers—Walk a Mile in their Classroom

Posted on February 4, 2013 by Karen Greenhaus

I was lucky enough this past week to visit some classrooms and see teachers using Sketchpad in various ways. It’s been seven years since I was in the classroom myself, so for me it was like coming home. It brought … Continue reading →

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Sketchpad––Yes, It Can!

Posted on December 11, 2012 by Karen Greenhaus

Last week I ended my fall math conference touring schedule.  It’s been a fun-filled road trip—in the span of two months I’ve been to all three NCTM regionals in Dallas, TX, Hartford, CT, and Chicago, IL, not to mention AMTNYS … Continue reading →

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Understanding Proportional Relationships with the Proximity Data Game

Posted on November 20, 2012 by Rick Gaston

In the Fall as Middle School and Algebra 1 teachers look for activities to develop students’ understandings of proportional relationships, they may turn to measuring scale diagrams or using springs. One of KCP Technologies’ new online Data Games called Proximity … Continue reading →

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“Figuring It Out” Is Where the Learning Happens

Posted on September 24, 2012 by Karen Greenhaus

I often get asked the question when doing webinars, workshops, or professional development training, “is there a quick way to do that” with Sketchpad, TinkerPlots or Fathom? For example, last week we had a webinar on functions, and the question … Continue reading →

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The Geometer’s Sketchpad and Sketch Exchange: What’s New?

Posted on August 2, 2012 by Elizabeth DeCarli

Hey Sketchpad users—there’s a new version of Sketchpad available! It’s Sketchpad version 5.05, a free upgrade for Sketchpad 5 users. For you early adopters, Sketchpad 5.05 is fully compatible with Mountain Lion and will also be compatible with Windows 8 … Continue reading →

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Breathing New Life Into Sets

Posted on July 17, 2012 by Daniel Scher
http://www.youtube.com/watch?v=f3wxr6oDz_I&w=420&h=315]

Ms. Walter, my junior high math teacher, sure knew how to get my attention on the first day of class. She told us we would be studying all about sex. Well no, let me restate:  She said we’d learn about … Continue reading →

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Functions Come Alive in a Precalculus Classroom

Posted on July 3, 2012 by Josephine Noah

Ken Gordon has written our first in a series of guest blog posts from people working with Key Curriculum products in schools. Ken teaches Precalculus and Calculus in an accelerated program at Sisler High School in Winnipeg, Manitoba, Canada. He has … Continue reading →

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