18 February, 2011 Volume 16 No. 7

In This Issue

NCTM Annual Meeting: Early Registration Discount

Whyslopes.com Revamped

Wolfram Fun Facts

Online PD

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Problem Based Learning Courses

Mathematics Teaching and Learning Certificate

 NCTM Annual Meeting: Early Registration Discount Save up to 25% by registering for the annual meeting of the National Council of Teachers of Mathematics by March 4th. Taking place April 13-16 in Indianapolis, NCTM 2011 will boast more than 650 presentations on differentiated instruction, the Common Core Standards, intervention, technology, and other topics. The theme of the conference is "Geometry: Constructing and Transforming Perspectives." PoW taking place: math problem-solving moment of the week "This problem wasn't very difficult, but I did get stuck at one point. I was using substitution, yes, but I plugged in ((9C)/5) + 32 for F in the equation C = (5/9)(F - 32), when I should have realized...." - Ramya, highlighted in the Algebra PoW's Latest Solution http://mathforum.org/pows/solution.htm?publication=3912 Whyslopes.com Revamped Alan Selby has overhauled his website of "appetizers and lessons for mathematics and reason." Look for the math formulas neatly typeset with LaTeX, Flash videos, and other rich media supported by his new content management system. For a version without frames, see http://whyslopes.com/gwsitemap/ Now taking place: math education conversation of the hour "There has been such an emphasis on this listserv about the mantra 'z is for proportions, t is for means' that we may have gone a little overboard! The more careful mantra is probably something like...." - Daren, posted to the ap-stat discussion http://mathforum.org/kb/message.jspa?messageID=7387707 Wolfram Fun Facts Wolfram|Alpha's computational engine lets you take trillions of pieces of data and "mash up topic areas such as people, finance, dates, and more to do impressive, if not outrageous, computations." Create and share "fun facts" such as The word love is the 557th most commonly spoken word You would need to go 311.2684 miles per day to travel the world in 80 days It would require 8.4×1011 gallons of paint to cover the surface of the moon If driving a car at 60 miles per hour, it will take 11.18 million years to travel one light year The average American consumes 125.6 lbs of potatoes per year Wolfram recently started a Twitter feed for all of the fun facts that they, and you, discover every day. Follow @WolframFunFacts and tweet your favorites to #funfact http://twitter.com/#!/WolframFunFacts

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