Math Forum Internet News

Volume 5, Number 31

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This week marks the 200th issue of the Math Forum Internet News.

31 July 2000                                  Vol. 5, No. 31

                 THE MATH FORUM INTERNET NEWS

             Chips A Tally | iFigure Calculators
        Russian Peasant Multiplication - Dr. Math FAQ

Teachers who use the Math Forum's Problems of the Week
(http://mathforum.org/pow/) are invited to join our new 
discussion area to read what others have to say and to 
share your thoughts: http://mathforum.org/discuss/pow-teach/


                        CHIPS A TALLY
  Bayonne, NJ Board of Education / three 5th grade teachers

              http://www.angelfire.com/nj3/tally/

                Are all cookies created equal? 
      Are you getting your fair share of chocolate chips?

Classes are invited to submit data to this collaborative 
math project designed to determine whether the number 
of chocolate chips in Chips Ahoy cookies is the same 
everywhere.

        Registration:  August 1 - September 30, 2000
      Project Begins:  September 1, 2000
  Collected Data Due:  October 27, 2000
      Results Posted:  November 30, 2000

The site includes lesson plans that use statistics to 
analyze number of chips and percentage of chocolate, with 
directions, data sheets, and evaluation rubrics. Also:
related science, social studies, and language arts 
activities; no-bake recipes; and relevant New Jersey 
standards.


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                            iFIGURE

                    http://www.ifigure.com/

Links to online calculators and worksheets to help plan, 
solve, and make decisions about such problems and tasks as 
buying a home, investing money, figuring business profits, 
making statistical comparisons, or calculating pump pressure. 

A searchable, annotated Mathematics and Statistics area offers 
calculators for Algebra, Calculus, Geometry, Statistics 
(descriptive, estimation, multivariate, probability, 
regression, testing, tutorials), Trigonometry, and Tutorials 
and Resources. 

              http://www.ifigure.com/math/math.htm

For more calculators on the Web, see the Math Forum's
Internet Mathematics Library: Resource Types: Ed. Materials: 
Educational Tools/Objects: Calculators:

   http://mathforum.org/library/resource_types/calculators/


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                   New from the Dr. Math FAQ

       RUSSIAN PEASANT MULTIPLICATION - Ursula Whitcher

       http://mathforum.org/dr.math/faq/faq.peasant.html

- RULES
  What is Russian peasant multiplication? How do I use it?

- REASONS
  Why does Russian peasant multiplication work?

- CONNECTIONS
  How is the Russian peasant algorithm related to binary 
  numbers?
            
                   
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The Math Forum is a research and educational enterprise of the Drexel University School of Education.The Math Forum is a research and educational enterprise of the Drexel University School of Education.
Sarah Seastone, Editor