- StocksQuest
An educational and interactive site offering free global stock games, especially for educators and contest organizers. Integrated into this global stock market simulation are lesson plans, stock guides, and online investing resources.
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- Stock-Trak - Stock-Trak
Stock-Trak is a virtual stock exchange simulator and fantasy stock market game. It allows its users to practice online stock trading within all of the major securities. Browse the site for information on stock investing research and fantasy stock market
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- Suan Pan in Various Number Systems - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A Java simulation of the Chinese Soroban--a far eastern analogue of the traditional abacus. By splitting the field into two parts--the earth and the heaven--Soroban cleverly reduces the number of items that represent a single digit. The simulation enforces
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- subtangent.com - Duncan Keith
With Flash, explore interactive investigations such as Number Stairs and Diagonal Differences. Play Mathionaire, based on the popular TV game, but with maths questions. Quizzes include Function Machines, Number Properties, Pythagoras, and Quadratics 1.
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- System Simulation: The Shortest Route to Applications - Prof. Hossein Arsham; University of Baltimore
Course notes. Information includes: Course Information (for students enrolled in the class); Topics in Descriptive Simulation Modeling; Statistics and Probability for Simulation; SIMSCRIPT, and SPSS Commands; Techniques for Sensitivity Estimation; Goal-seeking
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- syzygy-matrix: solutions for small problems in the classroom - Jeff LeMieux
Generate cryptograms, division worksheets, fraction worksheets, and proportion problems. Select the length of dividend, denominators specified by the Washington State Standards for Grade 7, number of problems, and more. The worksheet maker prints solutions.
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- Teaching Geometry with Google SketchUp - Bonnie Roskes
3DVinci's resources for teaching geometry with this 3D modeling application include projects of the month, videos, teacher resources and guide, 2D and 3D project books, a blog, geometry tips and projects, and much more. Google originally created SketchUp
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- TestTubeGames - Andy Hall
Apps, Flash games, and simulations by "an escaped physics grad turned educator.... following his dream to make abstract physics concrete. And draw dinosaurs." Explore special relativity with Velocity Raptor, orbits and chaos with Gravity Sim, particle
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- Theoretical and Numerical Approach to "Magic Angle" of Stone Skipping - Shin-ichiro Nagahiro and Yoshinori Hayakawa, Department of Physics, Tohoku University, Japan
As published in the American Physical Society's Physical Review Letters: Nagahiro and Hayakawa "... investigate the condition for the bounce of circular disks which obliquely impacts on the fluid surface. An experiment [C. Clanet, F. Hersen, and L. Bocquet,
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- Three Door Puzzle - Sky Coyote
In interactive page with an explanation of this classic, controversial problem, sometimes referred to as "Monty's Dilemma" or the "Game Show Problem." Links to a game simulation, the answer to problem, and an N-door generalization are provided.
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- Transformational Geometry - Leslie Howe
Java applets to illustrate translation, rotation, glide reflection, etc. Directions for tessellations by hand and using dot paper. Links to sites of artists that illustrate these ideas.
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- The Treb Challenge - GlobalSpec, Inc.
Custom build a trebuchet for three challenges: distance, accuracy, and power. Between launches, continue modifying the catapult-like seige engine's projectile weight, launch angle, gravity, wind, counterweight mass and height. After each challenge, the
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- Ventura Educational Systems
An online store offering product information on GraphPower, Geometry Toolkit, Probability Toolkit, Balancing Act, Hands-On Math Vols. 1, 2, and 3, Puzzle Logic, Algebra Concepts, Geometry Concepts, Coordinate Geometry, and more. The site provides links
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- Voronoi Art - Scott Sona Snibbe
Using a retro-reflective floor to display the Voronoi diagram of people walking on it, exploring notions of personal space and individual-group relations. See also Scott's other projects.
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- Web Interface for Statistics Education - Claremont Graduate University
Interactive statistics tutorials, answers to questions, and other resources for teaching introductory statistics. Tutorials, with exercises and Java applets, address sampling distributions of the mean; an introduction to statistical power; investigating
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- The World of Geometric Toy - Akira Nishihara
Play with animations and applets of Buckminster Fuller's Tensegrity and the Indian Ball (also known as the flexi-sphere), as well as wire-frame renderings of the torus, the magic ring, the toroflux, the reversible polyhedron, and other objects. Nishihira
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- Worldometers.info
Counters that display the real-time data on world population (e.g., births this year, births today, deaths this year, deaths today, net population growth for today), government and economics (daily government expenditures toward health care, education,
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- Worldwide Center of Mathematics - David B. Massey
The video-textbooks Worldwide Differential Calculus and Worldwide Integral Calculus with Infinite Series feature linked cross-references, pop-up margin comments, interactive graphs, and relevant teaching videos embedded directly within its chapters. The
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