• About jensilvermath

    After teaching for 14 years, I now design curriculum and create digital and print instructional materials for high school and middle school math. I have also invented and am now marketing radian-scale protractors. Check out www.proradian.net! I'm very happily married and have 2 grown sons and a cat named Louie.

    GeoGebra – Big Picture

    by  • August 7, 2013 • Math • 0 Comments

    This is a GeoGebra Screen with all of the Views open. You will not be using them all at once, so don’t panic! The first panel is a Computer Algebra System (CAS); I haven’t used that too much yet. The second panel is the Algebra view. This displays names, values, equations, etc. of everything...

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    Matrix Transformations in GeoGebra

    by  • August 6, 2013 • Math • 1 Comment

    Last weekend I had the great pleasure of learning about matrix transformations in GeoGebra from the incomparable Todd Edwards! He was one of the organizers, along with Steve Phelps, of the 2013 North American GeoGebra Conference, held on the beautiful Miami University campus, in Oxford, OH. (I’ll write more about that soon.) On our...

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