In This Issue
Drawing a Crop Circle
Mr. Beneli's Website
Build It Bigger
Free Online Opportunities
For teachers of students in grades 35: Tools for Building Math Concepts
For teachers of students in grades 59: Using Technology and Problem Solving to Build Algebraic Reasoning
For all students: tPoWs
For students in grades 910: the MathMentor


Drawing a Crop Circle
http://centros.edu.xunta.es/iesramoncabanillas/origcrop/principal.htm
To draw a crop circle, the high school students at IES Ramon Cabanillas (Cambados, Pontevedra, Spain) calculated ellipses and discovered the pentagram's relation to the golden mean.
Sections of their website are:
 All designs
 The winning design
 Previous practice
 Tshirt
 Who makes crop circles?
 Original design on the field
 Calculations
Spanish and Galician versions are also available.
Mr. Beneli's Website
http://edweb.tusd.k12.az.us/ibeneli/flash.html
Mr. Beneli offers a variety of Flash activities developed for his algebra students.
 Modeling Addition
 Integers
 Fractions
 Comparing Fractions
 Percents
 The Real Number Line
 Plotting Points
 Slope
 Linear Equations in SlopeIntercept Form
 Linear Inequalities
 The Slope Game
 Linear Equations and Their Graphs: Quiz Game
 Function Machine
 Probability
 Triangle
 Absolute Value
 Absolute Value Puzzle (easy) (difficult)
 Mastermind
Build It Bigger
http://www.discovery.com/builditbigger/
Build It Bigger is a new television program on the Discovery Channel this season. Even if you are not viewing the program you might find the "Project Pages" interesting. They list numerical data on:
 USS Donald Cook
 Fenway Park
 Coaster
 Shanghai World Financial Center
 M1 Abrams Tank
 The City of Culture


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