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January 2005: The Journey North - Annenberg/CPB Math and Science Project
A real-world data collection and evaluation project. Track monarchs or hummingbirds, watch the progress of cranes migrating with the aid of an ultralight glider, or correlate plant development with migrations. Available projects are suitable for most North American locations and begin in February. Report your findings on the web site and check up on other groups' data. The site includes extensive lesson plans, standards correlations, implementation tips from other teachers, and supplementary resources to buy or make. To post your own findings, follow the link for "Free Registration."

February 2005: Centre for the Popularisation of Mathematics - University of Wales, Bangor
Why and how do we study mathematics, what have we gained from it, what makes it fun? The Centre tries to answer some of those questions for as wide an audience as possible. To that end, they present: John Robinson's Symbolic Sculpture and the mathematics behind it; "Mathematics and Knots", with illustrations of operations on knots, knot identities, the history of knots, and more; and pages on applications of mathematics to biology and the like.

March 2005: High School Operations Research -
Twelve different modules designed to introduce high school students to topics in operations research (OR) using typical high school mathematics subjects. Each module has one or two student worksheets, extensive teacher suggestions and guidelines, and case studies of real organizations that have applied these OR topics. Modules look at average time waiting in line, a telephone ordering system, choosing a college, the shortest route for a delivery truck, and more.

April 2005: Cyberchase - Educational Broadcasting Corporation (
Play interactive games, crack challenging puzzles, check out the Cyberchase back story, find out what happened on yesterday's show, meet the characters, download screensavers and other show items, and play new web adventures. For parents and teachers, there are also lesson plans and activities. Cyberchase is an animated TV show from PBS, designed for kids 8-12, in which the heroes use their math and problem-solving skills to defeat the villains.

May 2005: Manipula Math with Java - International Education Software (IES)
Hundreds of interactive Java applets for middle school through early college years on subjects such as geometry, calculus, trigonometry, linear transformations, vectors, complex numbers, and conics. Applets and animations often include introductions to the topics and exploration questions.

June 2005: Reflections - National Council of Teachers of Mathematics (NCTM)
Web-based professional development for teachers. Start with a lesson plan or reflective question, then explore the mathematics and teaching ideas that emerge from video clips of actual teachers in real classrooms, from samples of their students' work, and from associated activities and resources. Lessons focus on algebra for grades 3-8.

July 2005: A Creative Encounter of the Numerical Kind: A Webquest for Middle Grades Math Students - Alice Gabbard
Students create their own numerals and base four number system for an alien civilization. This web quest features background and evaluation materials, links to state and national standards, and tips for teachers. Check out more web quests from Northern Kentucky University.

August 2005: Planarity - John Tantalo
Want to challenge your critical thinking skills? Arrange the vertices in this Flash game so that no edges cross. The game scores you based on your number of moves and your speed--then presents a harder graph to unravel.

September 2005: - Terry Stickels
Galleries of visual puzzles and math images, and an online store for puzzle books by author and syndicated columnist Terry Stickels.

October 2005: NASA Smart Skies FlyBy Math - NASA Ames Research Center: Airspace Systems
These six rich, standards-linked, distance-rate-time problems for grades 5-9 focus on air traffic control. Each problem features a guided experiment for students, and comes with PDFs of student worksheets, teacher guides, and pre- and post-tests, and Quicktime video clips about the air traffic control system. Worksheets address different solution methods: counting, plotting points on lines or graphs, deriving and using a formula, and graphing a system of linear equations.

November 2005: Pre-Calculus: A Teacher Quality Grant Project - Texas Higher Education Coordinating Board, Texas Education Agency
Student activities and how teachers can use them--a "course-in-a-box" for those new to teaching pre-calculus. Find background math content, problems for students, assessment tools and rubrics, and videos of best-practice teaching techniques. Some interactive online activities require Flash; the site links to other supporting software, most of it also free. Designed to align with the Texas Essential Knowledge & Skills (TEKS) standards, these materials apply to the standards-based curricula of many other states.

December 2005: Sketchpad Activities for Young Learners: Grades 3-5 - Nathalie Sinclair
Mostly pre-authored sketches for students in grades 3-5, designed for use by teachers who have never used Sketchpad before. These sketches offer examples of the way in which Sketchpad can be used across the range of mathematical subject areas in the elementary curriculum. The activities link follows the introduction.

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