Current Hot Spot
February 2010:
Math and the Art of M. C. Escher - Anneke Bart and Bryan Clair with Steve Harris, Saint Louis University
Online materials covering Euclidean and non-Euclidean geometry and other topics, all based around the work of M. C. Escher. The site is intended to support a mathematics course at the level of college algebra. It includes explorations—short investigative projects to be done in groups in a class setting—and exercises, and is free for classroom use.
Previous Hot Spots
January 2010:
HASTAC Initiative - Humanities, Arts, Science, and Technology Advanced Collaboratory
HASTAC ("haystack") is a network of individuals and institutions inspired by the possibilities that new technologies offer us for shaping how we learn, teach, communicate, create, and organize our local and global communities. HASTAC is open to anyone; join by signing up on the website. On the website, you can:
investigate current or archived projects, learn about the HASTAC Scholars program, participate in discussions hosted by HASTAC Scholars, enter a competition, read members' blogs, and follow the latest news and HASTAC events.
December 2009:
The Better File Cabinet
Eric Hsu created this highly searchable database of calculus problems, comments, and solutions, for use in the college workshops of Uri Treisman's Emerging Scholars Programs. Hsu plans eventually to integrate this database with his Better File Cabinet for math education papers, also available here. Other resources include a TA Professional Development wiki, other Treisman Intensive Workshop resources (program pages, worksheet archives, related links), and notes for Focus Group on Rich Groupworthy Problems (from December 2007 CMC-N Asilomar conference).
November 2009:
Book of Odds
The Book of Odds contains hundreds of thousands of Odds Statements, from the odds of being the only one to survive a plane crash, to the odds of having a heart attack, to the odds of having ever eaten cold pizza for breakfast. The company's mission is to increase knowledge of and intuition about probabilities. Search for odds of concern or interest; compare the odds of events both unfamiliar and mundane; explore calibration pairs, comparison pairs, topical lists, time series, geographic distributions, and more; view odds in probability order; create the "Odds of Me," a list of Odds Statements that apply directly to you ("I am that 1 in 287!"); ... and much more.
October 2009:
COMAP: the Consortium for Mathematics and Its Applications
"What is all this for, anyway?" COMAP helps answer that question. This non-profit organization offers multidisciplinary and academically rigorous curriculum materials and teacher development programs based on mathematical exploration of real-world problems. COMAP's NCTM Standards–aligned materials address elementary grades through undergraduates, and include CD-ROMs, periodicals, supplementary print materials, textbooks, videos and DVDs.
September 2009:
Interactive Math - Christopher J. Henrich
Henrich offers topics in recreational mathematics presented with interactive applets, including: the Golden Ratio: how to construct it, and why you might want to; patterns generated by mathematical kaleidoscopes; curves generated when one circle rolls around another, called trochoids; a new four-dimensional compound polytope, recently discovered by Dik Winter; interactive software to visualize three-dimensional star polyhedra, available for Mac OS X; and an algebraic technique that can be used to create many magic squares, some with additional "magic" properties.
August 2009:
Math Images - The Math Forum @ Drexel, the National Sciences Digital Library (NSDL), Swarthmore College
The Math Images Project aims to introduce the public to mathematics through beautiful and intriguing images found throughout the fields of math. The images feature resources around the mathematics of the images, including discussions, applets, and other related features. Undergraduates writing to learn mathematics work on the site with computer science students who have made interactive programs and images to help explain the mathematics. They invite questions, conversations, collaborations, and contributions of images or other resources. a list of all the tools on the site.
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The Math Forum is a research and educational enterprise of the Goodwin College of Professional Studies.