


7 May 2001 Vol. 6, No. 19
THE MATH FORUM INTERNET NEWS
WisWeb - Freudenthal Institute | Problems of the Week, Volume 1
Chameleon Graphing: Lines & Slope - Ursula Whitcher
WISWEB - Freudenthal Institute
http://www.fi.uu.nl/wisweb
The WisWeb Web site of the Freudenthal Institute, based in the
Netherlands, is designed in Dutch and English for use with
secondary education students of 12 years and older.
Applets include:
- Cards of Red & Green
- Estimate!
- Tables of Multiplication (also in Chinese)
- Shoot Balls
- The Flippo 24-game
- The Broken Calculator
- The Number Factory
- Statistics Minitool I, II, and III
- Walking the Tightrope
The site offers downloads for Windows, DOS, and TI-83
programs described in Dutch, with descriptions in English
forthcoming.
WisWeb also links to instructional materials, and to other
interesting Freudenthal Institute web sites, including several
mathematics olympiads.
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MATH FORUM - PROBLEMS OF THE WEEK, VOLUME 1
Drawn from the 1999-2000 school year, the Problems of the
Week, Volume 1 book has a section for each of the six
Problems of the Week: Elementary, Middle School, Algebra,
Geometry, Trig/Calculus, and Discrete Math.
Each section has:
- a table of contents with annotations
- twenty problems in print-ready format
- an answer key with URLs pointing to the full archived
answer on the Math Forum site.
Packaged in a three-hole binder with introductory pages, the
book is available for $20.00 plus $5.00 shipping and handling.
For more information or purchase, please refer to:
http://mathforum.org/powbook.html
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CHAMELEON GRAPHING LINES & SLOPE - Ursula Whitcher
http://mathforum.org/cgraph/cslope/
A Web unit for middle school and early high school students,
in which Joan the Chameleon introduces and explores lines and
slope.
Sections include:
- Introduction
- Drawing a Line
- Slope
- Using Slope
- Slope-Intercept Form
- Glossary
- Links
- Notes to Adults
The unit accompanies The Coordinate Plane, a unit for
elementary and middle school students, in which Joan's little
brother, Sam, helps students learn to find points on a number
line and graph points in the coordinate plane.
http://mathforum.org/cgraph/cplane/
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