On Sat, Jul 25, 2009 at 2:55 AM, K. K. Subramaniam<[email protected]> wrote: > On Friday 24 Jul 2009 7:08:05 am Anurag Goel wrote: >> I feel most kids struggled with this because they had not learned too much >> about geometry, particularily concepts involving degrees and radii. >> However, kids experimented with a lot of different values to better predict >> increments. Some kids realized that if they input a really large number >> they would get the same result as importing a really small number (ex: 12 >> and 732). As expected, the kids did not understand why that was. > The circular movement is not about geometry but differential calculus. Watch > the movie clips on Talking Turtles in http://logothings.wikispaces.com, > particular the first part of clip 2. 732 and 12 are numerical encodings of a > concept that they have to experience first using their own body movements.
They all know what a 720 turn is in skateboarding or snowboarding body movements. If you don't, check out some eXtreme Sports videos on the Web. > Subbu > > _______________________________________________ > IAEP -- It's An Education Project (not a laptop project!) > [email protected] > http://lists.sugarlabs.org/listinfo/iaep > -- Silent Thunder (默雷/धर्ममेघशब्दगर्ज/دھرممیگھشبدگر ج) is my name And Children are my nation. The Cosmos is my dwelling place, The Truth my destination. http://earthtreasury.org/worknet (Edward Mokurai Cherlin) _______________________________________________ IAEP -- It's An Education Project (not a laptop project!) [email protected] http://lists.sugarlabs.org/listinfo/iaep
