Math Forum Internet News

Volume 2, Number 52

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29 December 1997                                  Vol. 2, No. 52

                 THE MATH FORUM INTERNET NEWS

  Lopaka's WWW Projects | Calendar Algebra | LOGICA10 - Diez


           LOPAKA'S WWW MATH PROJECTS - ROBERT GARRY

           http://gauss.hawcc.hawaii.edu/maths.html

Garry's pages offer rich mathematics projects and science 
projects that use mathematics, with links to suggested 
Internet resources for background explorations. Included are:

  - A Catalog of Equations (graphs) 
  - How Long will the Oil Last? (functions) 
  - Plan It! Earth Recycling
  - The Stardust Mission (equations) 
  - The Parabola (polynomials) 
  - Varroa - Bee Parasitic Mite Syndrome 
     (exponential functions) 
  - Polyhedra Stained Glass Lamps (analytic trig) 
  - Snell and the Rainbow (trig functions)
  - Tidal Energy (applications of trig functions) 
  - HAL BQXSNFQZOGX - Cryptography (matrices and 
      determinants) 
  - The Great Balsa Bridge Contest (vector analysis) 
  - Spirosaver (parametric equations) 
  - The Chaos Game (sequences and limits) 
  - Bicycle Helmet Safety (probability and statistics) 
  - The Rubik Meme (derivatives) 

Here you'll find links, WWW lectures and assignments, 
E-Zine articles from CCMATH, the Problem Zone (games and 
puzzles on the WWW), and current activities such as 
Hawai'i STTP, a Calculus-Physics enrichment program.

               http://gauss.hawcc.hawaii.edu/


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            FUN WITH CALENDARS - CYNTHIA LANIUS 

       http://math.rice.edu/~lanius/Lessons/calen.html

Using a mathematical puzzle, this activity demonstrates how
to solve a simple linear equation. It's an average math trick,
but an excellent activity with which to demonstrate algebraic 
applications: 

Take any calendar. Tell your friend to choose 4 days that 
form a square. Your friend should tell you only the sum of 
the four days, and you will tell her what the four days are. 

How does this puzzle work? It uses algebra!

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When you have studied the puzzle, you are invited to design
your own.

       http://math.rice.edu/~lanius/Lessons/calen2.html
 
This activity for grades 6-9 (pre-algebra or algebra) was 
written to comply with the NCTM Standards and to support
the Texas Essential Knowledge and Skills (TEKS).


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For our Spanish-speaking readers:

                   LOGICA10 - ANTONIO DIEZ

           http://www.teleline.es/personal/diez10/

    El cerebro es como una máquina de acuñar monedas. 
    Si echas en ella metal impuro, obtendrás escoria; 
    si echas oro, obtendrás moneda de ley.

    Para resolver la mayoría de los juegos, problemas 
    y divertimientos de estas páginas, solo hace falta 
    la lógica que emana del "sentido común" y acaso 
    también un poquito de paciencia. Aquí se encuentran:

    - Pensamiento Lateral (acertijos)
    - El acertijo del día - dedicado al pensamiento lateral
    - Galimatías lógicos
    - Problemas de ingenio 
    - Desafío a la inteligencia
    - Series de números y letras
    - El baile de las neuronas
    - ¿Mentirosos, locos, honrados?
    - Entremeses para gigantes intelectuales
    - Paradojas
    - Matemáticas recreativas
       ... ¡y mucho más!

       Antonio Diez mantiene la página oficial de 
       Mensa España:

      http://www.teleline.es/personal/diez10/mensa.htm


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