### Volume 4, Number 40

 ``` 4 October 1999 Vol. 4, No. 40 THE MATH FORUM INTERNET NEWS National Metric Week | Learning Disabilities Online |Online World Puzzle Championship OCTOBER 10-16: NATIONAL METRIC WEEK October 10-16 is National Metric Week in the United States. For information and links to useful sites, visit: THE METRIC SYSTEM (SI): A CONCISE REFERENCE GUIDE - Bartlett http://www.hlalapansi.demon.co.uk/Metric/ Accurate, concise information for both the layman and the expert, intended to clarify the mysteries of the Systeme International d'Unites (SI). The site includes an introduction, a brief history, the base and supplementary units, derived units, SI prefixes, other units used with the SI, proposals for binary multiples, the physical basis for some of the units, a guide to correct usage of SI units, and further references. U.S. METRIC ASSOCIATION (USMA), INC. - Hillger http://lamar.colostate.edu/~hillger/ A national non-profit organization that advocates U.S. conversion to the International System of Units (SI), also called the modern metric system. The process of changing the U.S. system of units to the metric system is called metric transition or metrication. This site contains information on the SI metric system, on the status of metric transition in the United States, and on USMA accomplishments and activities. Links to relevant non-commercial Web sites are also provided. See also the NIST REFERENCE ON CONSTANTS, UNITS, AND UNCERTAINTY: http://physics.nist.gov/cuu/Units/ For many more sites about measurement, visit the Math Forum's Internet Mathematics Library: Arithmetic/Early : Measurement http://mathforum.org/library/topics/measurement/ Arithmetic/Early : Measurement : Terms/Units of Meas. http://mathforum.org/library/topics/measurement_terms/ -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- LD ONLINE - THE INTERACTIVE GUIDE TO LEARNING DISABILITIES FOR PARENTS, TEACHERS, AND CHILDREN http://www.ldonline.org/ A vast array of information on topics within the area of learning disabilities from CCLD, the Coordinated Campaign for Learning Disabilities, and the National Joint Committee on Learning Disabilities. LD In-Depth offers articles, research findings, and useful forums, including an area specifically devoted to dyscalculia, or learning disorders in math. http://www.ldonline.org/ld_indepth/resource-guide.html http://www.ldonline.org/ld_indepth/math_skills/math-skills.html See also 10 Tips for Software Selection for Math Instruction (Babbitt), and Accessing Challenging Math Curriculum (U.S. Dept. of Education). http://www.ldonline.org/ld_indepth/technology/babbitt_math_tips.html http://www.ldonline.org/videos/opening_the_door_mike.htm For more sites with information about math and disabilities, visit the Forum's Internet Mathematics Library: Teaching Issues/Strategies: Special Contexts http://mathforum.org/library/ed_topics/contexts_disabled/ Social Issues/Public Policy: Equity http://mathforum.org/library/ed_topics/equity_disabled/ -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- ONLINE WORLD PUZZLE CHAMPIONSHIP - 9 OCT '99 RUBIK'S ONLINE - Andras Sindelyes http://www.rubiks.com/wpc_home.html The World Puzzle Championships have been held annually since 1992. This year the 8th competition will take place in Erno Rubik's birthplace, Hungary. On October 9, 1999, the Official Rubik's Web site will host the first ONLINE World Puzzle Championship, during which anyone can challenge the world's best puzzle solvers. Participation is free and prizes are offered; for details, visit the site. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- 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 _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \ ```