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Newsletter: Math Forum Internet News, No. 8
Posted:
Nov 24, 1996 7:41 AM
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Alan Selby's Appetizers | Dynamic Algebra | NCTM-L Archive
THE MATH FORUM INTERNET NEWS
http://forum.swarthmore.edu/
JOIN THE MATH FORUM
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FEATURED INTERNET RESOURCE: ALAN SELBY'S 'MATH APPETIZERS'
http://www.cam.org/~aselby/lesson.html#math
ALAN SELBY's mathematics appetizers range over arithmetic
review problems, notions of what variables are, skills
leading to algebra, painless theorem proving, complex
numbers with some trig, the importance of slope (some
calculus), a decimal perspective of error control and
continuity (more calculus), and renaming the greater
than sign (back to algebra).
Advice on how to read, how to learn, why go to school,
etc. is included. The tone is sometimes funny, and the
writing is dense, rich, and intriguing. There are
reflections on teaching, so these materials can be used
in the classroom and as a place for teachers to learn.
Alan's explanations of mathematical concepts using words
and stories are particularly strong. Don't miss his
Appetizers and Lessons for Logic, also on this site.
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- NEW AT THE FORUM -
DYNAMIC ALGEBRA WITH NUCALC:
SYMBOLIC ALGEBRA AND GRAPHING SOFTWARE FOR THE MACINTOSH
http://forum.swarthmore.edu/key/nucalc/title.html
Key Curriculum Press has provided us with sample pages
from _Introducing Dynamic Algebra with NuCalc_, a book by
Tim Erickson that draws from a wide range of math topics
and explains how to use NuCalc in solving traditional
and not-so-traditional high school math problems.
You can access NuCalc files from the Web by downloading
the NuCalc Web Helper application and configuring it as
a helper application in your browser (instructions are
included). These sample pages offer exercises to work
through on transformations and the Fourier series.
The book and software are available from Key Curriculum
Press. If you have a Power Macintosh, you have the
software already: it comes free on those machines, where
it's called "Graphing Calculator."
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NCTM-L - A SEARCHABLE ARCHIVE, June 1996-Present
Try our new archiving software to explore math discussions
from the NCTM-L mailing list:
http://forum.swarthmore.edu/epigone/nctm-l
To find your particular interest, use the Search nctm-l
link at the top right of the Archives page. Experiment
by searching for the word "proof" (just the word, without
the quotes) to find discussions of all kinds about the
merits of proofs in Geometry - or look through the first
thread that's returned by this search, 'Useful Problems',
to get a feel for the depth and richness of the NCTM-L
archive.
The Forum's page of Public Discussions offers many more
searchable math archives:
http://forum.swarthmore.edu/discussions.html
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The Math Forum ** 25 November 1996
You will find this newsletter, a FAQ,
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