The same author, Steven Strogatz, writes about the number phi which fascinated the ancient Greek mathematicians. There are great diagrams of pentagons and pentagrams in which phi was first discovered. At the bottom of the article are some very interesting links, including one about whether plants know math. It would be great if you could investigate phi using the online software, Geogebra. There is a link to this on the links page.
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Sandi YoderI have been a teacher for 27 years, 14 of which have been in the Campbell High School IB program. Archives
August 2014
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