 Vernier Software  Vernier Software
Products and services for classroom data collection. CalculatorBased Laboratory System (CBL) products, such as motion detectors, accelerometers, colorimeters, radiation monitors, and other sensors and curricular materials, allow students to collect and
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 Video Mosaic Collaboration
"Watching students grow with math": this interactive collaboration portal integrates the Robert B. Davis Institute for Learning Video Collection (Rutgers University) — a video collection spanning two decades capturing mathematics learning experiences
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 ViSta: the Visual Statistics System  Forrest W. Young
ViSta features visual tools for revealing structure in data; for showing the results of statistical analyses; for guiding the analyst through an analysis; and for structuring the analyst's data analysis process. ViSta is designed for a wide range of users,
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 Visualization of Complex Dynamical Systems  Visualization and Animation Group, Institute of Computer Graphics, Vienna University of Technology
Software or technical reports to download (in gzipped PostScript format) related to the graphical representation of complex dynamical systems.
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 Vizual Statistix  Seth Kadish
Blog of statistics graphed by a Geoscience PhD who describes data visualization as his passion. Posts, which date back to January, 2012, have included "A Summation of Square Usage over 432 Chess Games"; a tiled plot showing the number of unique configurations
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 Waldomaths  Ron Barrow
Original applets on number, algebra and graphs; shape, space and measure; probability and data handling, including histograms; investigative tools (quadratic and cubic sequences); core (pure) mathematics; decision mathematics (network graphs and linear
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 Water Tidbits: Questions and Answers  U.S. Geological Survey (USGS)
Topics covered include: Water use in the United States, USGS water data and measurements; Water use in your home; Chemistry and water. Links to other sites about water.
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 WAVE: Web Access Virtual Education  University Laboratory High School; University of Illinois at UrbanaChampaign
The Illinois WAVE Project provides Mathematica Tutorial notebooks categorized as pertaining to Algebra, Applications, Calculus, Conics, Geometry, Precalculus, Statistics, or Trigonometry, for use in the high school mathematics curriculum. From the University
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 Weather Plots (MSTE)  John Meseke; University of Illinois at UrbanaChampaign (UIUC)
Students use current weather data to observe and answer questions about the relation between temperature and humidity.
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 Weather Underground  University of Michigan
One Sky, Many Voices: resources for collaborative study of current weather events for K12 classrooms, afterschool groups, and athome learning. Gather data on weather information on the Web, current conditions around the world, historical weather patterns,
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 Welcome to WebDice! (MSTE)  Nicholas Exner; University of Illinois at UrbanaChampaign (UIUC)
A Java applet that simulates the rolling of a set of dice. Use the pulldown menus to set the parameters for the trial.
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 What is Math?  Field Cady
Blog of "miniessays about the history and nature of math, and how it fits into the spectrum of human activity," by an applied mathematician and algorithm developer who specializes in statistics and "big data" analytics and statistical modeling. Posts,
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 WhizGraph  a program for data analysis and graphic presentation on your Mac  Hans Timm
WhizGraph is a data analysis and graphic presentation shareware program for the Macintosh. It combines professional graphing and versatile layout options with clear data management and comfortable macro calculation. The website provides more specifications,
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 Wiki Número  Wiki Número
Blog de matemática básica, calculo, estadísticas, juegos con números, ejemplos con resultados, y más. Posts, desde Marzo, 2014, incluyen "Aprenda con ejemplo la Jerarquía de Operaciones," "Formulas de Integrales,"
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 Wildlife Trade: Buyer Beware  Shelly Peretz, Thornridge High School, Dolton, IL
Collecting and analyzing consumer values, attitudes, and beliefs regarding wildlife trade and endangered species: a project that demonstrates the feasibility of integrating learning strategies, math, social studies and science within a traditional high
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 World's Fastest Man  Ivars Peterson (MathTrek)
The 1998 edition of The Guinness Book of World Records features an article about Donovan Bailey, billed as the fastest man alive. The article begins: "Canadian Donovan Bailey rocketed into the record books when he set a new world mark of 9.84 seconds
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 Would You Rather?  John Stevens
Choose between the two apparently equivalent choices — and justify your selection with reasoning: "Would you rather ... run the circumference of the circle OR perimeter of the rectangle? be given 100 grams of new nickels OR 220 grams of new dimes?
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 Yellowstone Caldera  Tina DeBuff; Harlowton High School, Harlowton, MT
This Webquest for high school math and science students requires that they make predictions based on historical data about volcanic activity and damage related to the Yellowstone Park Caldera.
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 ZeroKnowledge Proofs  John Scammell
"Random thoughts about teaching math" from a high school math consultant who taught math for 18 years prior. Scammell's blog posts, which date back to May, 2010, have included "Lecture Method vs. Peer Instruction," "Mozart’s Dice Game," "Let the Kids
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 Z Systems, Inc.
Developers of data analysis, acquisition, and visualization software. Evaluation copies available for download. Graphing and data analysis software includes Graph++, a graphing application that evaluates equations and mathematical functions graphically.
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 Zunzun.com Online Data Modeling  James R. Phillips
Curve and surface fit 2D and 3D data online with a rich set of error histograms, error plots, curve plots, surface plots, and contour plots. The site also has a "Function Finder" to help determine the best equation to fit data.
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