I had a really good day at the Ten Counties Math Association Conference in New York State. My table was at the end of a hallway with reps from TI, Houghton-Mifflin, and Casio. People who asked about the ProRadian Protractor company were surprised to hear that I am the whole company! (OK, full disclosure:...
Read more →So, it’s 3:30 am, and I am wide awake in a hotel room, awaiting my now-redundant 5:15 wake-up call. I am filled with nervous energy because today I am exhibiting my ProRadian Protractors for the first time at a math conference. I’ve done several workshop presentations, the first of which had 96 attendees, but this...
Read more →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...
Read more →I have been revisiting these topics as a launch to trigonometry, and I am once again amazed. Two years ago, in London, I stayed in a hotel designed around Fibonacci Numbers and the Golden Ratio. The reception staff did not quite understand the math (though Francesca and Antonio were charming “hosts”), so, upon my...
Read more →I had the privilege of working with five motivated and thoughtful teachers this week who will be teaching our Geometry21 course this year. I had about six hours to show them what this course is all about and make them understand what blended learning looks and feels like. I think it will be a...
Read more →It’s a tricky thing, trying to profit (or at least break even) from an idea born in the classroom. But that’s what I’m trying to do. It is a challenge because my professional life overlaps with my new business, and I don’t want to be seen as one who takes advantage of those overlaps....
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