Math Forum Internet News

Volume 1, Number 8

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    25 November 1996                     Vol. 1, No. 8

Alan Selby's Appetizers | Dynamic Algebra | NCTM-L Archive


                 THE MATH FORUM INTERNET NEWS

                 http://mathforum.org/


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://mathforum.org/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://mathforum.org/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://mathforum.org/discussions.html


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