Ever since the inception of the Internet Mathematics Library, the "Hot Spot
of the Month" had singled out one web site that promulgated math education with
distinction in a new direction or an especially rich way.
These archives date back to October, 1994.
October 2010:
Math 2.0 Interest Group
The Math 2.0 Interest Group researches and develops the use of social media for mathematics and mathematics education. This international network of researchers, educators, families, community leaders and technology enablers engages via: live weekly events, Math Online 2011 conference, email group, #Mathchat on Twitter, and a Diigo collaborative bookmark group.
September 2010:
Introduction to Fractal Geometry - Michael Frame, Benoit Mandelbrot, and Nial Neger, Yale University
An introduction to fractals, their geometry, measurement, simplicity, and complexity, as well as how to build a world in a computer, notions of chaos and randomness applied to various disciplines, and other uses of fractals. These pages include lessons for middle and high school levels, lab exercises for college students, and software: Java applets, Mac and PC software, and Mathematica notebooks. They are "meant to support a first course in fractal geometry for students without especially strong mathematical preparation, or any particular interest in science."
August 2010:
MatematicasVisuales - Roberto and Miguel Cardil
Interactive visualizations of mathematical concepts in geometry, real analysis, complex analysis, probability, and history. An English version is also available. A selection of topics covered: Morley triangles, Pythagoras' Theorem in a tiling, transformations of faces, à la Albrecht Durer, spirals, the golden proportion, 3D geometry, sequences and series, Taylor polynomials, Kepler's best proportions for a wine barrel, binomial, Poisson, and normal distributions, Archimedes' method to calculate the area of a parabolic segment, Cavalieri: the volume of a sphere.
July 2010:
Whistler Alley Mathematics - Paul Kunkel
Kunkel's Java animations and Geometer's Sketchpad investigations convey a conceptual understanding, with questions and suggestions for extensions. Topics covered include Buffon's Needle, catenary curves, the reuleaux triangle (a figure of constant width that is not a circle), and rungs and vinyards (visual interference patterns), and other geometry, trigonometry, calculus, and probability topics. Kunkel also provides a Geometer's Sketchpad workshop and gallery, and a geometric construction reference.
June 2010:
Google Public Data Explorer - Google Labs
The Google Public Data Explorer is available for beta testing and comment. It is designed to make large datasets easy to explore, visualize and communicate. As the charts and maps animate over time, the changes in the world become easier to understand. Easily navigate between different views, make your own comparisons, and share your findings. Users can play with the tool to create visualizations of public data, link to them, or embed them in their own webpages. Embedded charts and links can update automatically so you're always sharing the latest available data.
May 2010:
Teachers' Domain - WGBH Educational Foundation
Teachers' Domain is a digital library of multimedia resources for classroom use and independent study. Their media-rich tools are intended to help teachers present science concepts to students in high-impact, engaging, and interactive ways. Browse their math lessons here. Register for free to view as many resources as you like; save, sort, and share resources using folders and groups; download resources to your desktop; and see correlations to your state standards.
April 2010:
Sketchpad® LessonLink - Key Curriculum Press
Sketchpad LessonLink is a library of activities and demonstrations for grades 3-12, aligned to textbooks, state standards, and content strands, featuring The Geometer's Sketchpad® software. It offers over 500 activities for each of versions 4 and 5 of the software, with more on the way for the latest release. LessonLink features: sketches, teaching notes, student worksheets, and tip sheets and how-to videos for Sketchpad. You can see an introductory video, sign up for a free trial, or register for LessonLink as an individual or with a school or district through the link above. For more sample activities, and related Sketchpad tips, see the Sketchpad Learning Center.
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