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  All Sites - 10650 items found, showing 10251 to 10300

  1. Vygotsky - Cristina Guerra
    A brief description of Vygotsky's theories about thought, language, and intellectual development. ...more>>

  2. Vygotsky's Distinction Between Lower and Higher Mental Functions and Recent Studies on Infant Cognitive Development - Eugene Subbotsky; Psychology Department, University of Lancaster, UK
    One of the major theoretical advances of Vygotsky's approach to cognitive development was his thesis that human mental functions are social in origin. In making this claim, Vygotsky was confronted with the difficulty of reconciling it with the fact that ...more>>

  3. Vygotsky - Trish Nicholl
    This paper includes sections entitled Higher and lower mental functions; Intramental vs intermental abilities; The zone of proximal development (ZPD); Psychological tools; and Semiotic potential and the decontextualisation of mediational means. With references. ...more>>

  4. 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 ...more>>

  5. Walking Randomly - Michael Croucher
    Croucher's blog, which dates back to August of 2007, has included posts such as "Logo Programming on the pocket PC," "Christmas gifts for math geeks (like me!)," "Martial Mathematics," "R Compared to MATLAB (or 'learning a thing or two from your students')," ...more>>

  6. Wallace-Bolyai-Gerwien Theorem - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    According to the Wallace-Bolyai-Gerwien theorem, all simple polygons of equal area are equidecomposable by dissection. The site offers a proof of the theorem and several dynamic illustrations of equidecomposition in special cases. ...more>>

  7. Wallpaper Groups (Plane Symmetry Groups) - David Joyce; Dept. of Mathematics & Computer Science, Clark University
    Mathematicians classify plane patterns such as wallpaper patterns by means of symmetry groups - groups of transformations of the plane that leave the pattern invariant. A transformation slides, rotates, and reflects the plane into another position. Such ...more>>

  8. Wallpaper Groups: The Discontinuous Groups of Rotation and Translation in the Plane - Xah Lee
    An undergraduate tutorial on wallpaper groups, with illustrations of the 17 wallpapers groups and a wallpaper gallery. Technically, the derivation of all discontinuous groups of rotation and translation in the plane. Contents include: Some Theorems on ...more>>

  9. Walpha Wiki - Derek Bruff and others
    As collaborative site to record how secondary and undergraduate math educators use Wolfram|Alpha, or Walpha as it's called here, in the classroom. In particular, the authors are interested in how students might use Walpha themselves, as well as how teachers ...more>>

  10. Wanted: A New Mix - Keith Devlin (Devlin's Angle)
    An essay on the insularity of mathematicians. "...mathematics as a whole should be prepared to embrace as a useful and bona fide part of the enterprise, collaborative investigations involving mathematicians together with experts in other disciplines." ...more>>

  11. Waring Experiments - Ivars Peterson (MathLand)
    You might suspect that, at some point, four squares would no longer be enough to express a given whole number. This reasonable supposition was overturned in seventeenth century, when Pierre de Fermat proved that every positive whole number can be expressed ...more>>

  12. Washington MESA
    Washington MESA (Mathematics, Engineering and Science Achievement) is developing middle and high school curriculum units and middle school modules/books available through Cuisenaire Dale Seymour Publications that integrate concepts within mathematics ...more>>

  13. WASL Math Prompts - Port Angeles School District, Washington state
    Sample questions for the WASL, Washington State Assessment of Student Learning. Most questions have answers printed above the questions. Sample questions are offered for kindergarten through high school levels, organized by mathematical content, and accompanied ...more>>

  14. Was Math Invented or Discovered? - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about whether math was invented or discovered. ...more>>

  15. WatchKnowLearn - Community Foundation of Northwest Mississippi
    Thousands of free online math educational videos, categorized into topics such as mathematics for young learners, number operations, math in the real world, pre-calculus, math study skills and test prep, and history of math. ...more>>

  16. Waterloo Fractal Compression Project - Edward R. Vrscay
    A research project dedicated to the study of fractal analysis and Iterated Function Systems/Fractal Transforms from theoretical and practical perspectives, focussing on image and signal compression. Both mathematical and non-mathematical introductions ...more>>

  17. Waterman Polyhedra and Maps - Steve Waterman
    World maps based on close packing of spheres that resemble B.J.S. Cahill's octahedral butterfly world map, but with only five degree graticule. With links to the mathematics behind the cartography, polyhedra applications, and other original findings. ...more>>

  18. The Water Puzzle - Doug Ensley, Shippensburg University
    Starting with a pail of water holding some unknown quantity greater than 8 quarts, and small (3 quarts) and large (5 quarts) vases as measuring devices, explore how to split 8 quarts of water from the pail equally between two people. ...more>>

  19. Water Puzzle - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    There are three glasses - 3, 5, and 8 oz. The first two are empty, the last contains 8 oz of water. By pouring water from one glass to another make at least one of them contain exactly 4 oz of water. Investigation into this puzzle by experimentation, ...more>>

  20. 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. ...more>>

  21. WatsonMath.com - Elaine Watson
    A repository for ideas and links that support Watson's work as a K-12 mathematics consultant, such as spreading the word about the Common Core State Standards in Mathematics and how they can be implemented by classroom teachers. Posts, which date back ...more>>

  22. WAVELAB 802 for Matlab5.x - Donoho, Duncan, Huo, Levi
    WaveLab is a collection of Matlab functions that have been used by the authors and collaborators to implement a variety of computational algorithms related to wavelet analysis. A partial list of the techniques available includes orthogonal wavelet transforms, ...more>>

  23. Wavelet Cascade Applet - Wim Sweldens
    Cascading (or subdivision) is one of the standard methods to build wavelets and scaling functions. With this Applet you can graph all scaling functions and wavelets with two parameters, even and odd, which satisfy refinement relations with four coefficients. ...more>>

  24. Wavelet Digest: wavelet.org - Wim Sweldens
    A free monthly newsletter with all kinds of information concerning wavelets; announcement of conferences, preprints, software, questions, etc. The latest issue and searchable copies of back issues (beginning in 1992) are available; links to other wavelet ...more>>

  25. Wavelet Forum - Daniel Lemire, Ondelette.com
    A friendly posting board on wavelets, spectral analysis, and signal processing. ...more>>

  26. Wavelet NetCare - Ben Nicholson; Dept. of Mathematics, Washington Univ., St. Louis
    Wavelet links. ...more>>

  27. Wavelet Resources - Mathematics Dept., Yale University
    Preprints and software for wavelets available from the Yale Mathematics Department. ...more>>

  28. Wavelets and Multiscale Methods in Numerical Analysis and Simulation - TMR Network, Silvia Bertoluzza
    Links to Reports, Participants, Training Activities, Research Activity, Open Post Doctoral Positions, Paris Team Homepage - Access to the Software DATABASE, and the TMR Network News Server. ...more>>

  29. The Wavelet Seismic Inversion Lab - Zhaobo Meng, Phillips Petroleum Company
    Wavelet Bases; MRA Displays of Data and Models; Seismic Wave Propagations; Traveltime Tomography; Bleistein/Cohen Inversion Theory; Full Waveform Intersion; Ill-posedness Issues; Pattern Recognition & Other Transforms; Seismic Data Compression; Noise ...more>>

  30. Wavelets - Salzburg, Austria
    An extensive list of links to Internet sources of information for wavelets, and some bibliographies. ...more>>

  31. A Wavelet Tour of Signal Processing by Stéphane Mallat - F. Chaplais
    A set of short presentations, inspired by S. G. Mallat's book, on frequency analysis; Dyadic wavelets and discrete filtering; regularity analysis; and frames. ...more>>

  32. The Wavelet Tutorial - Robi Polikar
    The engineer's ultimate guide to wavelet analysis: a tutorial that explains basics of signal processing with a focus on the technique of wavelet transformations (WT). Basic concepts of importance in understanding wavelet theory; Short Term Fourier Transform ...more>>

  33. WAVE: Web Access Virtual Education - University Laboratory High School; University of Illinois at Urbana-Champaign
    The Illinois WAVE Project provides Mathematica Tutorial notebooks categorized as pertaining to Algebra, Applications, Calculus, Conics, Geometry, Pre-calculus, Statistics, or Trigonometry, for use in the high school mathematics curriculum. From the University ...more>>

  34. The Weather Calculator - National Weather Service, El Paso, TX
    The El Paso National Weather Service Office's weather calculator provides temperature, moisture, pressure, and wind unit conversions for 16 different weather-related variables. ...more>>

  35. Weather Plots (MSTE) - John Meseke; University of Illinois at Urbana-Champaign (UIUC)
    Students use current weather data to observe and answer questions about the relation between temperature and humidity. ...more>>

  36. Weather Underground - University of Michigan
    One Sky, Many Voices: resources for collaborative study of current weather events for K-12 classrooms, after-school groups, and at-home learning. Gather data on weather information on the Web, current conditions around the world, historical weather patterns, ...more>>

  37. Weather Watchers - Noelle Kreider, Instructional Technology Development Consortium (ITDC)
    An Instructional Technology Development Consortium project, this WebQuest for K-2 students explores concepts of weather including: short term weather changes; the influence of weather on daily human life; the effects of severe weather on human life; learning ...more>>

  38. Web-based Are You Ready quiz/reviews - Brian Hassard; Dept. of Mathematics, SUNY Buffalo
    Programs for students about to start first and second year courses in Mathematics. Students can test themselves to see whether they are ready for intermediate algebra, college algebra, business calculus, calculus I, II, or III, or ordinary differential ...more>>

  39. Web-Based Mathematics Activities for the Early Years - Instituto de Informática Educativa (IIE), Universidad de la Frontera, Temuco, Chile
    These materials are a translation of the Spanish materials created by the Instituto de Informática Educativa (IIE), Universidad de la Frontera, Temuco, Chile. The first and second units have been translated into English, and the third unit is available ...more>>

  40. WebCab XL - WebCab Components
    Range of math and finance techniques implemented within a free Excel add-in for Windows. Techniques include: interpolation, probability and statistics, optimization, portfolio theory, options and futures pricing theory. Menu driven application development, ...more>>

  41. WebCalc - Blaine Hilton
    A collection of free, Web-based calculators that solve complete equations. Many of the calculators allow the user to solve for any of the variables. Subjects include algebra, geometry, trigonometry, fractions, complex numbers, and miscellaneous math; ...more>>

  42. WebCalC - The WebMath Group
    An on-line calculus course with easy to read text, fully worked examples, problem solutions, quizzes, and online linking. To view WebCalC, you need the software Scientific Notebook (a free viewer version is available). The site includes links to publications ...more>>

  43. Web Calculators - TimeValue Software
    Online calculators for solving common financial problems, designed with the financial professional in mind and covering a wide assortment of financial applications such as refinancing a mortgage, saving for retirement, or determining an investment yield. ...more>>

  44. Web Chi Square Calculator - Catherine N. Ball and Jeffrey Connor-Linton, Department of Linguistics, Georgetown University
    Perform the chi square test for statistical significance. First, enter the number of rows and columns; then, enter your data. Also, take a tutorial or run demos. ...more>>

  45. The Web Classroom - Eagle Eye Web Masters
    An educational site from Australia that provides lessons and tests to help students understand concepts in Mathematics and build language skills in English. Elementary and Middle School math pages offer Fun with Fractions, "What Number," Times Tables, ...more>>

  46. A Web Companion for Differential Equations, Mechanics, and Computation - Richard S. Palais and Robert A. Palais
    This site is a free accompaniment to the book, and includes: applets, animations, images, links to textbooks and to other ODE-related sites, extracts covering more than a quarter of the book, and more. It is intended to become a web destination for anyone ...more>>

  47. WebCrawler
    Search the WebCrawler contents-indexed database by keyword - the contents of documents are indexed, not just their titles and URLs. You may include both general and specific queries. Or browse categories: Arts & Books; Autos; Careers; Computers & ...more>>

  48. Web-Enabled Scientific Services & Applications (Online Calculators) - Patrick Wessa
    Equation Plotter (Plot mathematical equations, statistical distributions, numerical integration). Scientific Forecasting (Box-Jenkins ARIMA modeling, forecasting, and bootstrap simulation of financial profit density functions). Descriptive Statistics ...more>>

  49. WebGrapher - Tom Cooper
    This page contains a graphing applet that can be used online or downloaded. The applet can create dynamic graphs with sliders that can be saved as web pages. Users can plot points, functions, parametric functions, polygons, vectors and more. There ...more>>

  50. Web Hunt - Mary Gasch; Nerinx Hall, Webster Groves, MO
    A Web-based hunt centering on non-European mathematics, with links provided to the mathematical contributions of a variety of cultures. Students may submit answers to their own teachers via an onsite form. ...more>>


 
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