Saturday, August 26, 2017
Sunday, August 6, 2017
Domain of a Function defined by a Composition
I created this GeoGebra
applet to help with visualization of the domain of a function defined by a composition.
Monday, June 5, 2017
Euclid's Algorithm
This tool for visualizing of Euclid's algorithm (programmed by Jason Davies) comes from Underground Mathematics. Fawn Nguyen has written a fabulous narrative on how she used it as a notice-and-wonder activity with her sixth graders. What she did would work just as well with high school students. All you need to get started are two positive whole numbers.
Thursday, January 5, 2017
Snail's Trail Quilt Square
I created this GeoGebra applet based on a quilt square pattern to use in a precalculus class as a visual introduction to the sum of an infinite geometric series. A nice accompaniment is this applet from Irina Boyadzhiev. I also created a Desmos activity with a focus on asking questions which incorporates these two applets.
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