• GeoGebra as an Animation Tool

    by  • September 22, 2013 • 0 Comments

    I’ve been writing lessons about transformations, using GeoGebra in every unit, and having fun with it! Last year’s Unit Performance Task was a little, um, boring, so I’ve been thinking about how I could make it more fun and more open-ended. Here’s what I’m thinking. Students must use one or more of the transformation...

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    Collaboration & Mosaic Art

    by  • September 18, 2013 • 0 Comments

    In a minute, you’ll see an image – move the blue dot to reveal more tiles. If it doesn’t open, click here. How many tiles do you need to see to recognize the image? This is the result of a collaboration between me and Hannu Korhonen, a fellow member of the GeoGebra group on LinkedIn....

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