Math Forum Internet News

Volume 3, Number 26

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29 June 1998                                   Vol. 3, No. 26

                 THE MATH FORUM INTERNET NEWS

Math & Time | Games - Learning Kingdom | Fractal Modeling - Shodor


                    MATHEMATICS AND TIME

               INTERNET RESOURCES FOR HOROLOGY 

     The Science of Time, Timekeepers (Clocks, Watches) 
    and Timekeeping from The Teaching and Learning Center

              http://www.horology.com/horology/

A site with all kinds of resources for math explorations
that involve time. Included are organizations; information
sources; timepieces; subjects, issues, and topics in horology;
and ways of finding and setting the exact time, including
time zones and a time zone converter. You will also find
links to a wide variety of WATCH AND CLOCK MUSEUMS:

        http://www.horology.com/horology/ho-edmus.html

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       TIME SERVICE DEPARTMENT - U.S. Naval Observatory       

            http://tycho.usNo. navy.mil/time.html

An official Web source for the correct time in the United 
States. To find your local time zone, learn to convert 
from Universal Time, try directions for putting a clock 
on your own Web page, and more, see
  
                       WHAT TIME IS IT?  

            http://tycho.usNo. navy.mil/what.html


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                GAMES FROM THE LEARNING KINGDOM

                http://www.learningkingdom.com/

For the very young, who want to play with the math they've
just begun to learn.

  - BLANKETY-FIVE SQUARED
    http://www.LearningKingdom.com/five/

  - ELEVEN TIMES
    http://www.learningkingdom.com/eleven/

Learn to square two-digit numbers that end in five, or 
quickly multiply two-digit numbers by eleven. See how each 
trick works by watching step-by-step examples, read why it
works, and then test your skill and speed with a challenge.

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Also from The Learning Kingdom: Math in the Kingdom (MITK),
a Web-based arithmetic tutor that teaches 1st, 2nd, and 3rd 
grade material directly over the Internet for a monthly
subscription fee. Take the guided tour or experiment with a
10-day free trial to see if the program meets your child's
needs (and whether it will crash your browser). 

             http://www.LearningKingdom.com/math/
   
    
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    FRACTAL MODELING TOOLS - Shodor Education Foundation

      http://www.shodor.org/master/fractal/curriculum/

Instructional resources and simulation software for
generating different kinds of fractals. Lesson plans are
available from within the simulations, and a Java version
and a simulation running on a remote server are provided 
for each unit:

  The Fractal Microscope
    Mandelbrot and Julia sets, the algorithms used to 
    create them, and the mathematics behind the graphics.

  The Snowflake Fractal Generator
    Specify a drawing rule that the computer will use
    to make curves like the Koch Snowflake.
 
  Sierpinski Gasket
    Model the 'Chaos Game'(a simple, apparently random 
    process with a not-so-random result) and change 
    the rules to make your own fractals.

The NCSA-Shodor BRIDGE Project offers three other ways to 
explore integrating curriculum with interactive media:

  ChemViz - a quantum chemistry visualization tool

  SimSurface - a potential energy minimization tool 
    using simulated annealing

  The Pit and the Pendulum - a quantitative investigation 
    of Edgar Allan Poe's short story

         http://www.ncsa.uiuc.edu/Edu/Simulations/

For best viewing of this site, a fast connection and a
Java-enabled browser are recommended.
       

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