Volume 7, Number 16
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22 April 2002 Vol. 7, No. 16
THE MATH FORUM INTERNET NEWS
Project Welcome - MAA | Interactive Number Sequences
Animated Magic Squares - Grunwald
PROJECT WELCOME - MAA
http://www.math.metrostate.edu/welcome
Project WELCOME is a collection of interactive
mathematical explorations to support a suite of
undergraduate courses in mathematics. Each exploration
consists of organized sequences of simulations,
"quantitative/qualitative laboratory" experiments, lessons,
and/or open-ended exercises tied to the conceptual themes
of the targeted course.
These explorations are created in MathwrightWeb Author and
read either online within the browser (applet mode) using
MathwrightWeb Activex Control or offline using Mathwright32
Player. Viewing the interactive explorations requires
running Microsoft Windows 95/98/2000/ME/XP and using
Internet Explorer 5.0 or later.
The collection includes:
- Best Linear Fit
- Congruences
- Evolutes
- Limits of Functions
- Optimize: the classic box problem
- Piecewise Functions
- Symmetry
- Progeny: the Fibonacci sequence and golden ratio
- Nonlinear Equations
- Inclined Planes
- Lakes: an environmental application of operations research
- Cycloids
- Applications of the Derivative
- Graphs and Their Functions
- Trigonometric Functions
- Triangle Optimization
- Graphs of Functions and Symmetry
- Playing with Points: the coordinate plane
- Shortest Paths
- Demoivre's Theorem
Read descriptions of each workbook:
http://www.math.metrostate.edu/welcome/wrkbk_page.htm
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INTERACTIVE NUMBER SEQUENCES - H. Fung
http://cog.lboro.ac.uk/cohfweb/
An interactive site for middle school students who want to
learn about number sequences. Fill in a sequence's missing
number, then click "send" to see if it completed the sequence
correctly. In either case, an "explain" button provides more
information about the sequence, including:
- descriptive name
- graphic explanation
- text explanation
- algebraic rule
and opportunities to learn more.
The FAQ provides answers to questions about sequences and
numbers.
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ANIMATED MAGIC SQUARES - Lee-Anne Grunwald
http://www-personal.une.edu.au/~lgrunwa2/une/KLAs/maths/magic3x3.html
After viewing the construction of a 3 by 3 magic square,
pass the mouse over each of the "view rule" texts to build
your own magic square.
http://www-personal.une.edu.au/~lgrunwa2/une/KLAs/maths/Benfranklin_magicsquare.html
The patterns found in the 8 by 8 Benjamin Franklin Magic
Square are illustrated in this animation.
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MAGIC SQUARES - Suzanne Alejandre
http://mathforum.org/alejandre/magic.square.html
This Math Forum Web unit includes classroom activities for
four different squares: Lo Shu, Sator, DŸrer, and Franklin.
Three of them demonstrate increasing complexity using
numbers; one is made up of letters. Each provides links,
and questions about number and symmetry. For
interdisciplinary work, see the suggestions for history,
geography, and writing activities.
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