November 09, 2013
Pencil Code: Lesson on Angles
Here is a lesson on Angles using Pencil Code. It talks about why a triangle can be made with 120 degree angles. Using concrete turtle programs, it teaches the mathematical concepts of exterior and interior angle, arcs, and regular polygons. And it provides a hint for exploring curves with winding number larger than zero.
No written companion materials yet, but when they are ready, I will update this blog post.Posted by David at November 9, 2013 10:58 PM
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