Math Forum Internet News

Volume 6, Number 14

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2 April 2001                                      Vol. 6, No. 14

                THE MATH FORUM INTERNET NEWS

  AAA Math - Banfill | Grades 9-12 i-Math Investigations - NCTM
                Library of Problems of the Week


                   AAA MATH - J.C. Banfill

                   http://www.aaamath.com/

  The goal of this site is to illustrate and provide free,
  online, interactive arithmetic exercises and problems.
  It contains a series of basic math lessons for students in
  formal elementary education math classes, home schooling
  or elsewhere.

  Math topics include:

    Addition, Algebra, Comparing, Counting,
    Decimals, Division, Equations, Estimation,
    Exponents, Fractions, Geometry, Graphs,
    Measurement, Mental Math, Money, Multiplication,
    Naming Numbers, Patterns, Percent, Practical Math,
    Place Value, Properties, Statistics, Subtraction
 
  Pages can also be accessed by

  Grade level:
    http://www.aaamath.com/world.html

  Alphabetical index of exercises:
    http://www.aaamath.com/aaamath-index.html


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                 PUT THE HEART INTO MATHEMATICS
        CARDIAC OUTPUT, RATES OF CHANGE AND ACCUMULATION
             Grades 9-12 i-Math Investigations - NCTM

        http://Illuminations.nctm.org/imath/912/cardiac/

  Students explore the measurement of the amount of blood being
  pumped by a heart. The goal of this investigation is a rich
  exploration of rates of change and accumulation in context.
  As presented here, the measurement is done from a discrete
  perspective, but the generalization to a continuous
  perspective and use of calculus (integrals) can be easily done.

  "Put the Heart into Mathematics" is one of five i-Math
  Investigations currently available for Grades 9-12. They are
  ready-to-use, online, interactive, multimedia math
  investigations including:

    - student investigations
    - teacher notes
    - answers
    - related professional development activities

  The other four titles for Grades 9-12 include:

    - Investigating Linear Relationships: The Regression Line
      and Correlation
      http://Illuminations.nctm.org/imath/912/LinearRelationships/

    - Using Algebra and Discrete Mathematics to Investigate
      Population Changes in a Trout Pond
      http://Illuminations.nctm.org/imath/912/TroutPond/

    - Shedding Light on the Subject: Function Models of
      Light Decay
      http://Illuminations.nctm.org/imath/912/Light/

    - Whelk-Come to Mathematics: Using Rational Functions to
      Investigate the Behavior of Northwestern Crows
      http://Illuminations.nctm.org/imath/912/Whelk/

  Each of these activities has a student version that can also
  be downloaded to use offline.


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                LIBRARY OF PROBLEMS OF THE WEEK

             http://mathforum.org/library/problems/

  In response to teachers' requests, the Math Forum has
  re-organized its hundreds of archived Problems of the Week to
  make them easier to browse and search.

  Our new Library of Problems of the Week categorizes past PoWs
  according to mathematics topics and story topics. The PoW
  Library also offers ratings of difficulty levels of problems:

  A Rubric for Coding Problem Difficulty
  http://mathforum.org/library/problems/difficulty.html

  Read more about this new Library's features, including what
  teachers say about using the Problems of the Week:

  http://mathforum.org/library/problems/about_prob_library.html

  http://mathforum.org/library/problems/teachers_say.html
 

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