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  All Sites - 6880 items found, showing 5201 to 5250

  1. Properties of Dice - Klaus Mogensen
    An essay on Proper Dice (illustrated) and Dice Roll Probabilities. ...more>>

  2. Properties of Numbers (SMILE) - Leon Steinfelds, King High School
    A lesson that contrasts the "mean" behavior of 0, 1, 2, and regular numbers, likening numbers to students. From the "Miscellaneous" section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement. ...more>>

  3. Properties Of Quadrilaterals (SMILE) - Margaret A. Olson, Morgan Park High School
    A lesson designed to teach the names, definitions, and properties of quadrilaterals, and how to apply the correct property to each different quadrilateral. From the Geometry and Measurement section of a collection of almost 200 single concept lessons ...more>>

  4. Prophet of Chaos - Ivars Peterson (MathTrek)
    "'...it may happen that small differences in the initial conditions produce very great ones in the final phenomena. A small error in the former will produce an enormous error in the latter. Prediction becomes impossible, and we have the fortuitous phenomenon.' ...more>>

  5. ProRadian - Jennifer Silverman
    Protractors for learning about radians "in the same way you learned about degrees — by measuring." ProRadian learning sets contain two protractors, one scaled in 0.1 radians and one scaled in π/24 radians. Silverman, who now writes math curriculum ...more>>

  6. The Pros and Cons of Technology in the Classroom - Roy Pea, Larry Cuban, Bay Area School Reform Collaborative, TAPPED IN
    Nationally recognized experts on the subject, Dr. Roy Pea and Dr. Larry Cuban offer their insights in this transcript of speeches each gave to a gathering of organizations that fund school reform projects. A transcript of questions and answers from the ...more>>

  7. Proudnerd.com - Heather Sable
    "For the self-assured nerd": humorous t-shirts, long sleeve t-shirts, women's t-shirts, sweatshirts, hooded sweatshirts, boxer shorts, hats and caps, bags and backpacks, mugs and cups, mousepads, apparel for kids, babies, and toddlers, and more. Solve ...more>>

  8. ProveIt! Two-Column Proofs Practice Tool - Michael Ferraro
    Michael Ferraro of Balboa High School in San Francisco, CA, created this tool for students to practice their two-column proof skills. Choose a topic to begin, and choose statements and reasons from the list given. As you go, there are options to remove ...more>>

  9. Providing Hands-On, Minds-On, and Authentic Learning Experiences in Mathematics (NCREL) - Cathy Cook; Pathways to School Improvement
    A linked essay giving overview, background, and issues around constructivist theory and its implementation. "When educators begin to see learning as knowledge construction, they change their thinking about curriculum, instruction, and assessment, developing ...more>>

  10. PseudoNumerals - phonetic symbols for numbers - Allan Krill
    A method for remembering ID-numbers, etc., as words. The techniques used here have been used for 200 years, but now are formally defined as numerals. Presented in August at Mathfest 2002. ...more>>

  11. Psychosemiotic Theory and Educational Practice - Alice Leonard
    Walkerdine and Corran's (1979) paper showed how psychosemiology may account for developmental data as a potentially fruitful alternative to the better known stage theories, like that of Piaget. They argued that learning mathematics is an ideal activity ...more>>

  12. P.T. Chang
    Articles by this math professor from the University of Alaska Anchorage's Mat-Su College include "The Ostentatious World of Algebra," "In-Service Training for the Math Teacher of the 21st Century," and "Retesting in a College Remedial Mathematics Course." ...more>>

  13. PTC: Product Lifecycle Management Software - Parametric Technology Corporation
    PTC acquired MathSoft, developer of Mathcad and other software for math, science and engineering for business, research, academic and government markets. They also market Pro/ENGINEER, Windchill, Arbortext, ProductView, CoCreate, and InSight. ...more>>

  14. Ptolemy's Ptools - ThinkQuest 1998
    Easy-to-understand math projects for students to do by themselves or with adult direction. Triangle investigations of the perspectives of the 3D video games Star Fleet Academy, Quake II, and Sub Culture Submarine Adventure. "Quadrant projects" involve ...more>>

  15. P Torres blogger - Paula Torres
    Blog by an AP Calculus teacher at a public high school in Rancho Cucamonga (CA). Posts, which date back to February, 2014, have included "Beginning to flip," "The wonder of Desmos," "Calculus around the room and 'the Statistics talk,'" "They won't fall ...more>>

  16. Publications and Research Tools (AMS) - American Mathematical Society
    The AMS research and publishing services include MathSciNet and the AMS Electronic Journals. Research tools for mathematicians include Mathematical Reviews Author Lookup, Institution Codes and Addresses, Serials Abbreviations; the AMS Preprint Server, ...more>>

  17. Public Domain Materials - Mike Jones
    A collection of public domain instructional and expository materials from a US-born math teacher who teaches in China. Microsoft Word and PDF downloads include a monthly circular consisting of short problems, "The Bow-and-Arrow Problem," and "Twinkle ...more>>

  18. Public Outreach, Education, Teaching and Reaching Youth (POETRY) - Sten Odenwald, National Aeronautics and Space Administration (NASA)
    The goal of the IMAGE mission's education and public outreach program (POETRY) is to explain how solar storms affect the Earth, and to correct misconceptions about Earth's magnetic field, its radiation belts, and why we have aurora. Read the latest information ...more>>

  19. Public Understanding of Mathematics - Key Issues in Mathematics at the Math Forum
    Links to organizations and articles that explore perceptions and assumptions non-mathematicians hold about mathematics and mathematicians. ...more>>

  20. The Published Data of Robert Munafo - Robert Munafo
    Mathematical data includes Mu-Ency, The Encyclopedia of the Mandelbrot Set (History, Exploring, Area, Algorithms, Naming, etc), properties of specific numbers, such as 2.68542 . . . and 143, and very large numbers and ways to write them. Programs include ...more>>

  21. Publishing or Programming? A Framework for the Development and Presentation of Work by Children on the World Wide Web - Judy Keiner
    A paper to be presented at SIGGRAPH97, Los Angeles, August 8th 1997, involving process writing approaches, and including three criteria for evaluating Web pages. Also links to example sites. ...more>>

  22. PUERTRA - Javier Sánchez González
    The software package PUERTRA implemented a theoretical study of formal properties of Islamic geometrical art. PUERTRA modeled the Islamic rectilinear interlaced lattices found extensively in wood work (artesonado ceilings, mosque minbars, doors and windows, ...more>>

  23. Punctured Polyhedra - Ivars Peterson (MathTrek)
    A tetrahedron has four triangular faces, four vertices, and six edges. When a vertex of one tetrahedron pierces the face of a second tetrahedron it forms a new, more complicated polyhedron: one triangular face has a triangular "hole" where the face was ...more>>

  24. PuraMate
    Ejercicios e soluciones de ecuaciones de primer grado, ecuaciones de segundo grado, algebra de Baldor, polinomios, producto y cociente notable, binomios, trinomios, desigualdades, y inecuaciones. Un blog empezó en octubre, 2014, tiene entradas ...more>>

  25. Pure Math Online
    Pure Math Online uses live, personal tutors to help students with algebra and other math homework in real time over the Internet. Program information and signup for free demo are available on the site. ...more>>

  26. Purplemath - Your Algebra Resource - Elizabeth Stapel
    Algebra modules provide lessons, practical tips, hints, worked examples, and point out common mistakes in basic triangle length (trigonometry) values, calculators (what model to buy), canceling units, domain and range, exponents, factoring quadratics, ...more>>

  27. Putnam Exams - Dave Rusin
    Solution sets and comments compiled from postings on the sci.math newsgroup. Online resources and citations for exams dating back to 1987. ...more>>

  28. Put the Heart into Mathematics: Cardiac Output, Rates of Change and Accumulation (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
    An online, interactive, multimedia math investigation. This activity explores the measurement of the amount of blood being pumped by a heart. The goal of this i-Math investigation is a rich exploration of concentrations (mixture problems), rates of change ...more>>

  29. PuzzleBeast - James W. Stephens
    A collection of computer-generated puzzles, some illustrated with Java applets, some with solutions included: The Fried Okra Perplexity, A Dozen Irritating Sliding Block Puzzles, The Bulbous Blob Puzzle, Meandering Monk Maze, The Kung Fu Packing Crate ...more>>

  30. Puzzle Choice
    A wide choice of puzzles and games for all ages, including crosswords, wordsearches, brainteasers, number puzzles (a calculator is provided), logics, teacher resources and other online games, including mazes. ...more>>

  31. Puzzle explorer - Wade Philpott
    Links to mathematical games invented by Philpott and now for sale: Multimatch and Leap (originally Sweep). ...more>>

  32. Puzzle Fun - Rodolfo Kurchan
    An online newsletter edited by Rodolfo Kurchan (Buenos Aires - Argentina) about polyominoes and other puzzles. Back issues are on the Web. ...more>>

  33. Puzzlemaker - Discovery Education
    A puzzle generation tool for teachers, students and parents. Create and print customized puzzles, including math squares and number blocks, online, or buy a CD with editing tools and other extras. ...more>>

  34. Puzzle of the Week - Ralph Grove
    A small archive of math and word puzzles having to do with patterns, permutations, and probability, with solutions, from a professor of computer science at Indiana University of Pennsylvania. ...more>>

  35. Puzzle Page - The Black Stump Ltd.
    More than 150 links to puzzle sites on the Web. A new site is added each week. ...more>>

  36. Puzzler - Franklin Institute Online
    Puzzles from the inQuiry Almanack Puzzle Archive: e.g. Cryptograms, January, 1998. Coded messages hide famous quotations. A clue is offered to begin breaking the code, and an answer key is provided. One puzzle a month from March of 1995 through July of ...more>>

  37. Puzzlers - Bryan Clair, University of Chicago
    A collection of Clair's favorite puzzles (no discussion or answers are provided): The Nine Dots; Weighing Coins; The Dollar Hotel, Planning an Orchard; The Math Department; Tea and Cream; Bugs on a Square; River Crossing; More Crawling Bugs; The Unexpected ...more>>

  38. Puzzles
    A blog of math puzzles. Post your answers in the comments sections. ...more>>

  39. Puzzles - Martin Watson
    Blogs, comments, musings, design sketches, and photographs of mechanical puzzles by an avid collector and craftsman. Puzzle news, the author's own burrs (Watson's wormhole, digigrams, Dutch cubist), in-depth explorations of manipulative puzzles (Puzzles ...more>>

  40. Puzzles of Leonid Mochalov - Leonid Mochalov
    Numerical and visual puzzles, some in Russian only, most in English. ...more>>

  41. Puzzles/One-player Games - Jürg Nievergelt
    Rubik's Cube and its variants. The 3*3*3* cube; Rubik's Revenge (4*4*4 cube); Pyramix (tetrahedron); Rubik's Clock; Rubik's Magic. Also Cryptequations, polyominoes, and links to a list of similar puzzles. ...more>>

  42. Puzzles, & Riddles - The Contest Center - Frank Rubin
    Hundreds of puzzles and mathematical problems ranging from kindergarten through post-doctoral levels. For the easier puzzles, answers are provided on the site; names of those who submit correct solutions to harder problems are posted. See also Puzzles ...more>>

  43. Puzzle Toons, The Citizen Scientist - Brian Mansfield
    A comic strip devoted to puzzles, mind benders, and brain teasers. The subject matter of the puzzles ranges from mechanical devices and geometry to astrodynamics, chess, and billiards. Read back issues of Mansfield's column, dating to its inception in ...more>>

  44. Puzzle University - Amy Galitzer
    A non-accredited "university," created solely for fun. Everything is free to play and take part in. Register, pass a simple test, and advance from freshman to sophomore to junior to senior to grad student this way. The puzzles get harder as you progress. ...more>>

  45. Puzzle Up - Binary Arts Corporation
    A collection of others' Java puzzles, baffler and logic questions, "for serious puzzlers," best of the week, and mazes and mysteries, each organized into the three different skill levels of young, brisk, and expert. Also, information on the company's ...more>>

  46. PuzzleUp - Emrehan Halici
    New problems and games posted every week in a contest format. Register, read the competition's rules, and browse the archive of past problems. ...more>>

  47. Puzzle Workshop - maths online - University of Vienna, Austria
    Make your own interactive "jigsaw," or multiple choice puzzles, to save and run on your own computer or to publish on the web. The Applet puzzle creation page requires Java; the Test puzzle creation page allows greater use of mathematical symbols. ...more>>

  48. Puzzle World - John Rausch
    A searchable site with information and a discussion group (Puzzle Talk) about handcrafted mechanical puzzles. Most of the puzzles presented here are not the mass-produced variety found in stores, but limited production puzzles produced by craftsmen (often ...more>>

  49. Puzzle Zapper - Alexandre Owen Muñiz
    Original mathematical puzzles, some available in lasercut acrylic for sale: polyomino common superforms, pentomino coloring problems, miscellaneous polyomino explorations, flexible polyforms, square grid puzzles, visualizing sequences of numbers, Lissajous ...more>>

  50. Puzzlies.net - Michał Barciś
    Play sudoku and griddler logic puzzles online. Log in to save game play and compete in the rankings. ...more>>


 
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