[IAEP] GPA Notes 7/23/09

[Edward Cherlin]

On Sat, Jul 25, 2009 at 2:55 AM, K. K. Subramaniam<subbukk at gmail.com> 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
>
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