Volume 1, Number 1

7 October 1996 Vol. 1, No. 1 Interactive GSP Labs | DASL | Ask Dr. Math | Mailing Lists MATH FORUM INTERNET NEWS http://mathforum.org/ NEW ON OUR SITE Begin to explore the Geometer's Sketchpad the easy way - two entertaining labs from Mike Reidy, for individuals or to use in the classroom (middle school and beyond): Introductory Sketchpad Lab http://mathforum.org/sketchpad/intro/gsp.introlab.html Intermediate GSP Lab: Spirograph Machine/"Tea Cusps and Saucers" http://mathforum.org/sketchpad/intro/cusplab.toc.html This lab studies the effects (both mathematical and artistic) of circular motion as points rotate around circles. Interesting things occur when a point moves around a circle as the circle rotates around another circle. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- FEATURED INTERNET RESOURCE The Data and Story Library (DASL) http://lib.stat.cmu.edu/DASL/ Teachers often ask for - but frequently have to create for themselves - good data collections for students to analyze. DASL is an online searchable library of datafiles and stories that illustrate the use of basic statistics methods, providing data from a wide variety of topics so that statistics teachers can find real-world examples that will be interesting to their students. Stories by topic (Archeology through Zoology) and by method (ANCOVA through Two sample t-test); datafiles by subject (Agriculture through Weather). A form is available for submitting your story. Pat Daley, one of our advanced institute participants, is working on a set of related web pages known as the Data Library: http://mathforum.org/workshops/sum96/data.collections/datalibrary/ -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- ASK DR. MATH - AN INTERACTIVE INTERNET PROJECT Is your math assignment driving you crazy? Submit your K-12 math question via the Web or send e-mail to dr.math@mathforum.org. A member of our 'Swat Team' of math doctors will reply via e-mail, so be sure to send us the right e-mail address. K-12 questions usually include what people learn in the U.S. from the time they're 5 years old through when they're about 18. A SEARCHABLE ARCHIVE of questions and answers is available. You may find that your problem has already been answered - some of the same questions arrive regularly. Here are a few examples: Why is a negative times a negative a positive? http://mathforum.org/dr.math/problems/neg.times.neg.html Why was the letter m selected to represent slope? http://mathforum.org/dr.math/problems/m.for.slope.html Where did the missing dollar go? http://mathforum.org/dr.math/problems/schulz11.20.html CHECK OUT DR. MATH at http://mathforum.org/dr.math/ -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- FROM THE EMAILBAG The Suggestion Box at the bottom of our home page is a regular source of good questions like this one: Could you please send me some information on mailing lists that have math problems? - TheOlusola@aol.com :.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.:.: Sure thing. The Forum administers two mailing lists that regularly feature math problems. The first is geometry-pre-college where we post the Geometry Problem of the Week and Project of the Month, both targeted at high school students. The other, geometry-puzzles, attracts less regular postings of higher-level geometry problems. Instructions for subscribing to these lists and reading the archives: http://mathforum.org/access.html The "Talking Math" section of the Teachers' Place is a good place on our site for general information about math mailing lists: http://mathforum.org/discussions.html and there are problem and puzzle pages in our Student Center: http://mathforum.org/students/students.high.probs.html Our Teachers' Place also highlights some puzzle and problem pages, including the rec.puzzles archives and the Internet Center for Math Problems: http://mathforum.org/teachers/ http://www.nova.edu/Inter-Links/puzzles.html http://www.mathpro.com/math/mathCenter.html. I hope that helps. Thanks for writing in! -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Problem of the Week http://mathforum.org/pow2/ Internet Resources http://mathforum.org/~steve/ (Steve's Dump) _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__ /\ /| | \ \ / \ / \ /o\ / \ | \ / | / \ / \

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