I had a great session with my 12yo getting an animated ball bouncing around a box, programming it in javascript using the canvas api [ ~120 lines ]. He got col

I had a great session with my 12yo getting an animated ball bouncing around a box, programming it in javascript using the canvas api [ ~120 lines ]. He got collision detection working with some help. I have tried myself, with very limited success, to make some engaging and educational software. I see a lot of edu software as mind-candy - strong on visuals/action but weak on concepts.. but I admit I haven't found the right mix myself. My own efforts : * animated sine demo [http://treeblurb.com/dev_math/sin_canv03.html http://treeblurb.com/dev_math/sin_canv03.html] * DoctorX multiplication thing [ http://treeblurb.com/doctorx/calc.html http://treeblurb.com/doctorx/calc.html ] * http://gridmaths.com http://gridmaths.com backgrounder / articles - https://quantblog.wordpress.com/tag/math/ https://quantblog.wordpress.com/tag/math/ One package I really love the potential of is http://GeoGebra.org http://GeoGebra.org - I'm trying to get the school interested in these kinds of things to augment their 1-student-1-tablet policy.