http://www.maths2art.co.uk
is a super resource to promote the teaching of mathematics in ways that are visually stimulating. The Digit sum spirals project would be a make a very interesting investigation for Control robots such as Pro-bots (with a pen) or on screen turtle software.
http://www.maths2art.co.uk/digitsumspirals.htm

8 April 2013 at 4:01 pm |
Hi, I love your blog. I have been reading it for a while now. I have just started my own, in a similar vain. I have posted about your blog. I was wondering if you would like to visit mine and possibly post a link to mine.