[IAEP] 40 maths shapes challenges

[Rita Freudenberg]

Does anyone know about the license of the "turtle confusion" book? Would it be ok to translate it?

Greetings,
Rita

On Sep 9, 2009, at 11:33 AM, Bill Kerr wrote:

> introduced turtle art and barry newell's 40 shapes to my students today
> 
> about half way through the lesson someone asked, "how do you do the circle?"
> 
> before I could say anything another student replied, "that's easy - just use arc"
> 
> you've gotta laugh
> (an arc primitive wasn't there for the original logo, nor is it in scratch)
> 
> On Sat, Sep 5, 2009 at 2:12 AM, Maria Droujkova <droujkova at gmail.com> wrote:
> Circle is one of the hardest in Scratch. Unless I am missing a command.
> 
> Cheers,
> Maria Droujkova
> http://www.naturalmath.com
> 
> Make math your own, to make your own math.
> 
> 
> 
> 
> On Mon, Aug 31, 2009 at 7:19 AM, Bill Kerr <billkerr at gmail.com> wrote:
> Image attached
> 
> Forty shapes to make in Scratch or some other version of logo, such as Turtle Art. It's hard to see the thumbnail but click on it for a larger view.
> 
> This is one of the best sheets ever for teaching maths (designed by Barry Newell):
> the logo turtle or scratch cat acts as a transitional object between the concrete maths shape and the abstraction of the script that makes the shape
> the sheet includes both simple and complex shapes, increasing in order of complexity, there is a challenge there for everyone
> many of the more complex shapes are made up of combinations of the simpler shapes
> Source: Barry Newell's Turtle Confusion (1988)
> 
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