introduced turtle art and barry newell's 40 shapes to my students today<div><br></div><div>about half way through the lesson someone asked, "how do you do the circle?"</div><div><br></div><div>before I could say anything another student replied, "that's easy - just use arc"</div> <div><br></div><div>you've gotta laugh</div><div>(an arc primitive wasn't there for the original logo, nor is it in scratch)</div><div><br></div><div><div class="gmail_quote">On Sat, Sep 5, 2009 at 2:12 AM, Maria Droujkova <span dir="ltr"><<a href="mailto:droujkova@gmail.com">droujkova@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Circle is one of the hardest in Scratch. Unless I am missing a command.<br><br clear="all">Cheers,<br>Maria Droujkova<br> <a href="http://www.naturalmath.com" target="_blank">http://www.naturalmath.com</a><br><br>Make math your own, to make your own math.<br> <br> <br> <br><br><div class="gmail_quote"><div class="im">On Mon, Aug 31, 2009 at 7:19 AM, Bill Kerr <span dir="ltr"><<a href="mailto:billkerr@gmail.com" target="_blank">billkerr@gmail.com</a>></span> wrote:<br></div><blockquote class="gmail_quote" style="border-left:1px solid rgb(204, 204, 204);margin:0pt 0pt 0pt 0.8ex;padding-left:1ex"> <div><div></div><div class="h5"> Image attached <div><br></div><div><span style="font-family:Georgia;color:rgb(51, 51, 51);line-height:20px">Forty shapes to make in <a href="http://scratch.mit.edu/" style="color:rgb(153, 153, 153);text-decoration:none" target="_blank">Scratch</a> or some other version of logo, such as <a href="http://wiki.sugarlabs.org/go/Activities/Turtle_Art" style="color:rgb(153, 153, 153);text-decoration:none" target="_blank">Turtle Art</a>. It's hard to see the thumbnail but click on it for a larger view.<br> <br>This is one of the best sheets ever for teaching maths (designed by Barry Newell):<br><ul><li>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</li> <li>the sheet includes both simple and complex shapes, increasing in order of complexity, there is a challenge there for everyone</li><li>many of the more complex shapes are made up of combinations of the simpler shapes</li> </ul><div><span style="font-weight:bold">Source</span>: Barry Newell's <span style="font-style:italic">Turtle Confusion</span> (1988)</div></span></div> <br></div></div><div class="im">_______________________________________________<br> IAEP -- It's An Education Project (not a laptop project!)<br> <a href="mailto:IAEP@lists.sugarlabs.org" target="_blank">IAEP@lists.sugarlabs.org</a><br> <a href="http://lists.sugarlabs.org/listinfo/iaep" target="_blank">http://lists.sugarlabs.org/listinfo/iaep</a><br></div></blockquote></div><br> </blockquote></div><br> </div>