Math Forum Internet News

Volume 4, Number 33

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16 August 1999                                      Vol. 4, No. 33


Visualizing Infinite Series - Lanius | NASA Spacelink |
Dictionary of Units of Measurement VISUALIZING AN INFINITE SERIES - Cynthia Lanius This lesson uses a trapezoid successively divided in fourths as a visual representation of an infinite geometric series, a mathematical concept that is often only treated symbolically. Explorations are outlined for investigating a number of series, and links to related sites are provided. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- NASA SPACELINK An aeronautics and space resource for educators. Math curriculum support instructional materials range from exploring meteorite mysteries and the mathematics of microgravity to the mathematics of space and rocketry; and also list related NASA Internet sites. (Follow the links from Spacelink Home -> The Library -> Instructional Materials -> Curriculum Support -> Mathematics.) Educator Focus concentrates on subjects of interest to educators that otherwise might be overlooked. The library houses the NASA Education Division's electronic publications and NASA's Internet resources, with hundreds of subject-oriented pages organized into educational services, instructional materials, a NASA overview, projects, news, and frequently asked questions. Hot topics highlight current events related to NASA science, technology, and education. Cool picks offer intriguing and educational NASA materials and sites. Subscribe to the Spacelink EXPRESS mailing list and receive e-mail announcements of new educational materials produced by the NASA Education Division. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- HOW MANY? A DICTIONARY OF UNITS OF MEASUREMENT - Rowlett A dictionary of both metric (SI) and English measurement units, with history, links to related sites, and a bibliography. Contents include: - Using the Dictionary: numbers and units, names of large numbers, symbols and abbreviations - The International System (SIPM): SI fundamental and derived units, metric prefixes - The English Customary Systems: the metric system, CGS and MKS units, spelling of metric units, the metric system in the United States - Links to Related Sites - Bibliography This dictionary has been compiled by Russ Rowlett, the Director of the Center for Mathematics and Science Education at the University of North Carolina at Chapel Hill. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum Ask Dr. Math Problems of the Week Mathematics Library Teacher2Teacher Discussion Groups Join the Math Forum Send comments to the Math Forum Internet Newsletter editors _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \

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