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To: mwforum@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Subject: Re: about logo and mw ex
From: "Daniel Ajoy" <da.ajoy@xxxxxxxxx>
Date: Tue, 26 Sep 2006 14:37:44 -0500

On 26 Sep 2006 at 14:48, Tamara Weinstein wrote:

> i am not a mathematician (sigh) and therefore i find it more
> difficult to express and  teach the power of logo.  so when you
> talk about how it is more powerful than a calculator,

It is more powerful than a calculator because calculators
in general can't repeat stuff. It is the user that repeats
key presses, but what if the amount of data is big (like when
exploring statistics)

Logo is also more powerful than a calculator because calculators
in general can't be taught stuff. You can teach Logo stuff
(using procedures). Then you can reuse those procedures to create
more spectacular effects. The attached image, for example, is just
a bunch of squares and rectangles.

> or they'll
> understand why someone invented pi, etc. etc.  i don't really
> understand what you mean even though i want to.  can you help?

Shapes #14, 15, 16, 17, 19

http://mondragon.angeltowns.net/paradiso/Construcciones.html

are hard to draw accurately if you don't understand pi. When
confronted with the problem
of drawing something like those shapes you learn why you
need pi.

Similarly, shapes like #22, 23, 28, 29 and 30 are easier to
draw if you undestand the Pitagorean (sp?) theorem. If you
try to draw them without knowing the theorem you are confronted
with the same problem Pitagoras had.

Kids when drawing their own stuff will also be confronted with
other kinds of geometrical insights.

Daniel

PS. The orange circle us where the turtle should start drawing.


> i am happy to read...do you understand what i am asking? there
> is probably not any one answer but i was just wondering what you
> think.
> thanks
> tamara weinstein
> the children's school
> atlanta ga


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