Volume 8, Number 4

27 January 2003 Vol. 8, No. 4 THE MATH FORUM INTERNET NEWS Fermi Math League | In Search of the Missing...e | Space Day 2003 New Dr. Math FAQ: Divisibility Tests to 50 and Beyond FERMI OFF-THE-WALL MATH LEAGUE, YEAR 3, SESSION 2 Minnesota Intermediate School District 287 http://www.int287.k12.mn.us/gifted/fermileague.html Year 3, Session 2 will start February 10, 2003, and will run for six weeks. To submit solutions online, register with an entry fee of $25 per person per session. An individual, a pair or a team of four may register for this Internet-based project. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- IN SEARCH OF THE MISSING...e http://www.ngsc.k12.in.us/tickit/in_search_of_the_missing.htm Jeanne Winters from Princeton Community High School has designed a WebQuest to use with her students that is a review and investigation of the natural exponential function. Using the resource links provided, students must design an "e" problem/solution related to architecture, medicine, economics, or pharmacology. Each problem should be a mathematical function or formula using the number "e." -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- SPACE DAY 2003 CELEBRATING THE FUTURE OF FLIGHT http://spaceday.com As the nation prepares to commemorate the Centennial of Flight in the coming year, Space Day 2003 -- "Celebrating the Future of Flight" -- will honor the past 100 years of aviation and aerospace accomplishments while seeking to inspire the next generation of inventors, innovators, aviators, and dreamers. On May 1, 2003, teachers, students and space enthusiasts around the world can participate in Cyber Space Day, an interactive Webcast entirely devoted to science, space, and mathematics. The Teacher's Space includes links to these areas: - Cyber Space Day - Design Challenges - Essential Teachers' Links - Lesson Library - Signatures in Space - Space Day Discussion Board - Space Day in Your Neighborhood - Teacher's Quotes - This Week in Space Teacher's Space http://spaceday.com/en/teachers/index.php -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- New Ask Dr. Math FAQ DIVISIBILITY TESTS TO 50 AND BEYOND by Stephen D. T. Froggatt Oaks Park High School, Ilford, Essex, UK http://mathforum.org/dr.math/faq/faq.divisibleto50.html Froggatt explains how the idea of deleting the last digit and adding or subtracting a multiple of the digit from the remaining number can be generalized to test for divisibility by prime numbers up to 53 and beyond. More information on divisibility rules: Ask Dr. Math: FAQ Divisibility Rules http://mathforum.org/dr.math/faq/faq.divisibility.html Calculation Tips & Tricks: Divisibility Rules http://mathforum.org/k12/mathtips/division.tips.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Ask Dr. Math http://mathforum.org/dr.math/ Problems of the Week http://mathforum.org/pow/ Mathematics Library http://mathforum.org/library/ Teacher2Teacher http://mathforum.org/t2t/ Discussion Groups http://mathforum.org/discussions/ Join the Math Forum http://mathforum.org/join.forum.html Send comments to the Math Forum Internet Newsletter editors Donations http://www.drexel.edu/ia/mathforum/ _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \

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