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  All Sites - 1758 items found, showing 1351 to 1400

  1. Pythagorean Theorem - Warren F. Davis, Davis Associates, Inc.
    An animated, non-mathematical, annotated proof of the Pythagorean Theorem, assumed to be the method of proof actually used by Pythagoras circa 550 BCE (see the Bronowski reference). ...more>>

  2. Q-Puzzle - XIAO Gang
    A mathematical jigsaw puzzle: your goal is to recover a disordered photo by finding the inverse affine transformation. A French version is also available. ...more>>

  3. Quandaries and Queries (Math Central) - Dept. of Mathematics and Statistics, University of Regina, Saskatchewan, Canada
    A math Question and Answer area for K-12 students and teachers, with searchable archives of past questions and answers. ...more>>

  4. QuantumBrainBenders - Joel Klebanoff
    A series of puzzles: find a series of numbers in a grid that add to the given sum. A new puzzle for each of three skill levels is posted daily. The site also includes an archive of previous puzzles. ...more>>

  5. The Quantum CyberTeaser - National Science Teachers Association (NSTA)
    Archive of bimonthly problems posed online by Quantum, the math and science magazine. The magazine ceased publication with its July/August 2001 issue. Puzzles and most solutions are still available here. ...more>>

  6. The Quest for the Holy Value - Kjetil Valstadsve
    Finding the correct value of pi. The likelihood of any random two integers having 1 as their greatest common divisor (no factors in common), has been proved to be 6 divided by pi squared - the numbers are prime in relation to each other. According to ...more>>

  7. Quia! - The Learning Group
    Create your own Java-enabled quizzes, home pages, and learning games to play over the Internet: enter your material into a form, select a few options, and press a button. Games have been created and are available for browsing in mathematics, as well as: ...more>>

  8. Quick Trig Lessons - Matt Robinson
    Brief lessons on ratios, triangles, identities, graphs, and formulas, with practice problems and a page of links to other math sites on the web. ...more>>

  9. Quiz Hub - Schmidel & Wojcik: Educational Web Weavers
    A collection of online interactive learning quizzes that help K-12 students enhance their core knowledge of English, languages, math, science, and social studies. Subscription required. ...more>>

  10. Quizma --> Matemática Cálculo Robótica - Harold Suárez Guzmán
    In Spanish: Clases y Orientación en Matemáticas Cálculo y Robótica. Fórmulas - Demostraciones - Ejercicios - Ejemplos - Cálculo Interactivo. Algebra, Logaritmos, Trigonometría, Geometría, Estadística, Ecuaciones, Problemas de Planteo, Funciones, Geometría ...more>>

  11. Quiz Me - D. Kell and Mercer County Community College
    Interactive quizzes constructed using software provided by Addison Wesley Longman Publishers. Auto-scoring, multiple choice self-tests on whole numbers (place value, operations, applications, rounding, roots and order of operations); fractions (equivalencies, ...more>>

  12. QuizStar - Advanced Learning Technologies, Center for Research on Learning at The University of Kansas
    Create online quizzes and organize the results. Features include the ability to attach multimedia files to questions, to make quizzes in multiple languages, and more. ...more>>

  13. Quiz-Tree Math Games - Sierra Vista Software
    A collection of online math quizzes in addition, subtraction, multiplication, and division. ...more>>

  14. Quizzes.cc
    Use the menus and text boxes to create your own quizzes on addition, subtraction, multiplication, and division -- or browse from among a selection. Click the appropriate button to reveal answers, grade responses, or generate new problems. ...more>>

  15. Radius and Diameter - NASA Lewis Learning Technologies Project
    Mr. Jordan wants to put up a fence all the way across the middle of his round vegetable garden. If the radius of the garden is 3 feet, how many feet of fencing will Mr. Jordan need to buy? A detailed answer is provided. From NASA's 9th Grade Math Proficiency ...more>>

  16. Raise Smart Kids - Inna Shapiro
    Download Powerpoint presentations of math problems, with answers: logic, basic arithmetic operations, natural numbers, pigeonhole principle, fractions, pouring, cutting, weighing, divisibility, and more. For Croatian translations of some of Shapiro's ...more>>

  17. Rama Math Help - Marty Schultz
    Pages to help people solve the alien number machines in the Sierra game Rama, with a lesson in base 8 and 16 (and 10) and base conversions, useful for others, too. Includes a review of base 10 and an overview of bases 8 and 16. There is also a link to ...more>>

  18. Random (Blog) - Neil Bickford
    Bickford writes "about mathematics, cellular automata, programming, Rube Goldberg Machines, and overall randomness." Posts of the self-described "mathematician/programmer/scientist," dating back to May, 2009 -- when Bickford was 11 years old -- have included ...more>>

  19. Ratio and Proportion - NASA Lewis Learning Technologies Project
    If the ratio of boys to girls is 5 to 8 and there are 40 girls, which proportion should you use to find out the number of boys? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  20. The Real Y2K Problem (Math Chat) - Frank Morgan, MAA Online
    Solution to the challenge: Every year in the millennium from 2000 to 2999 can be represented as the sum of consecutive integers, except one year. Which year cannot be represented as the sum of consecutive integers? New challenge: Where do you think you ...more>>

  21. The rec.puzzles Archive - Massachusetts Institute of Technology (M.I.T.)
    A list of puzzles, categorized by subject area, from the newsgroup rec.puzzles. Puzzles include solutions compiled from various sources, supposed to be definitive. Subjects include analysis, arithmetic, combinatorics, competition, decision, geometry, ...more>>

  22. rec.puzzles FAQs by Newsgroup - Dept. of Computer Science, Universiteit Utrecht
    Information on the following topics: crosswords, analysis, arithmetic, combinatorics, competition, cryptology, decision, geometry, group, induction, Instructions, language, logic, physics, Pickover (Cliff), probability, real-life, references, series, ...more>>

  23. Recreational Mathematics - David Eppstein, Theory Group, ICS, UC Irvine
    Some Web resources for recreational math, including links to Eppstein's pages own (Number Theory, Combinatorial Game Theory, and The Geometry Junkyard) and to pages by others. ...more>>

  24. Rectangle Perimeter and Side Length - NASA Lewis Learning Technologies Project
    A rectangle with a perimeter of 24 inches might have adjacent sides measuring: 6 inches and 4 inches; 11 inches and 13 inches; 9 inches and 3 inches; or, 2 inches and 12 inches? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  25. A Recursive Process - Dan Anderson
    Anderson's blog, which dates back to June of 2010, has included posts such as "Robocode & Math," "Standards Based Grading," "Cake:Frosting (A look into a proper ratio of real math:cool tech)," "Paper Towels WCYDWT (What Can You Do With This?)," "Two ...more>>

  26. Recursos de Matemáticas en Internet - Flavio P.
    Información buscable, dividida en categorías que contienen enlaces comentados: altas, actividades, actualización, apuntes, buscadores, congresos, debate, enlaces, Escher, fractales, historia, lista general, Olimpiadas, publicaciones, ...more>>

  27. Recursos Gratuitos para Imprimir - Daniel Ajoy
    Recursos para ayudar a los estudiantes en sus tareas escolares. (The long division worksheets include two versions of the method.) ...more>>

  28. Reform Calculus Resources - Harel Barzilai
    Many printable activities and worksheets, some with solutions, long-term student projects, capsules and tutorials, and resources for instructors including a sample second-semester calculus course with in-class groupwork activities, projects, and student ...more>>

  29. Renaissance Learning Math Software - Renaissance Learning, Inc.
    A tool for educators that provides fresh exam and worksheet questions using algorithms to generate unique new permutations each time you use it. It is designed to meet the latest NCTM assessment standards for grades 5-12 using performance assessment questions ...more>>

  30. Replacing Iowa and New Hampshire (Math Chat) - Frank Morgan, MAA Online
    Answer to the challenge: Propose a new system for selecting Presidential candidates. Winning answer by Joe Shipman: a year before the primaries start choose five congressional districts at random to have a primary the last week in January and five more ...more>>

  31. Research Group on Graph Theory and Combinatorics - Universitat Politècnica de Catalunya (UPC)
    A group of about twenty-five members whose research belongs to the area, developing research projects and/or conducting works directed toward Ph.D. dissertations. Includes a searchable publication database and a page on The (Degree,Diameter) Problem for ...more>>

  32. Resource Material - Spencer, Chan; Univ. of Toronto Mathematics Network
    A collection of resource material for use in classes or extracurricular activities in high schools: answers, explanations, and expositions of some common but deep math questions. In the process of answering three basic questions, this area delves into ...more>>

  33. Resources for Tan's Applied Calculus - S.T. Tan; Brooks/Cole Publishing Company
    Chapter-by-chapter exercises, practice quizzes, practice tests, suggested group projects, review questions, and other sample resource materials for students and instructors using Tan's Applied Calculus, Fourth Edition. Also, step-by-step instructions ...more>>

  34. Resources for Tan's Applied Finite Mathematics - S.T. Tan; Brooks/Cole Publishing Company
    Chapter-by-chapter exercises, practice quizzes, practice tests, suggested group projects, review questions, and other sample resource materials for students and instructors using Tan's Applied Finite Mathematics, Fifth Edition. Also, step-by-step instructions ...more>>

  35. Resources for Tan's Calculus for Managerial, Life and Social Sciences - S.T. Tan; Brooks/Cole Publishing Company
    Chapter-by-chapter exercises, practice quizzes, practice tests, suggested group projects, review questions, and other sample resource materials for students and instructors using Tan's Applied Calculus for Managerial, Life and Social Sciences, Fifth Edition. ...more>>

  36. Ressources en français - French Language Math Resources - Math Forum
    Mathematics and math education resources available online in French, collected by the Math Forum. Categories: Articles and Publications (Includes excerpts from the journal abraCAdaBRI); Lessons, Activities, Teaching Materials (Lesson plans, online courses, ...more>>

  37. A Review of Logarithms (S.O.S. Mathematics) - Dept. of Mathematical Sciences, Univ. of Texas at El Paso
    Since logarithms are exponents, the page presents a brief history of logarithms and reviews exponential functions before continuing on to logarithms and logarithmic functions. ...more>>

  38. Revision Universe - Arnav Rawat
    Downloadable worksheets with questions on cumulative frequency; line graphs; mean, mode, median and range; pie charts; curved graphs; expanding brackets; graphical solution of equations; ratio; trial and improvement; area and perimeter; density, mass ...more>>

  39. Rice Mathematics Tournament - Rice University, Houston, TX
    An annual event for high school students and teams from schools in the Texas/Louisiana area, organized by Rice University undergraduates. Rules, schedules of events, sample problems from previous tournaments, and results of previous contests (1995-99) ...more>>

  40. Richard E. Borcherds
    Preprints, papers, and the author's thesis, in HTML, plain TeX, dvi, and pdf formats; problem sheets for Lie algebras or Modular forms, and solutions to some problems in Hartshorne's book; tables of positive definite lattices and coefficients of some ...more>>

  41. Richard Weber, University of Cambridge
    Weber's professional interest is the Mathematics of Operations Research. His site includes contact information; a list of publications; a brief CV (with further information about his research interests); a recent research paper; a teaching page (with ...more>>

  42. Rich Maths Tasks to Engage - East Midlands Maths Network
    These teacher-made rich maths tasks in number, algebra, shape, and data handling emerged from a collaborative project run by Jon Stratford, Lead Practitioner for the Specialist Schools and Academies Trust (SSAT): arrangements, clock face, chocolate dilemma, ...more>>

  43. Rich Starting Points for A-Level Core Mathematics - Jonny Griffiths
    Download PDF task files of 40 open-ended investigative activities for the A Level Pure Mathematics classroom: basic algebra, coordinate geometry, polynomials, curve sketching, uncertainty and inequalities, indices and surds, sequences and series, differentiation, ...more>>

  44. Rick's Math Web - Rick Schauer
    Math curriculum geared toward special education learners with math disabilities and for learners preparing for the State of Minnesota's 8th Grade Basic Skills Test, with over 4,000 practice problems and step-by-step solutions for learners pre-kindergarten ...more>>

  45. Right Brain - Tom Biesanz, Mister Numbers
    Biesanz offers a system for learning times tables through worksheets and a CD. The site offers sample worksheets as well as videos that give an experience of the visual patterns in numbers. ...more>>

  46. Rigol'Math: énigmes, problèmes et curiosités mathématiques - Jean-Marc Deleuze
    Le calcul de Pi; le Jeu de Nim; Convertisseur base 10 --> base 2; Multiplier sur les doigts; Multiplication égyptienne; Le carré magique; TicTacToe; Coloriage; et beaucoup plus. ...more>>

  47. Rincón Matemático Tests interactivos - Mario A. Bunge
    Exámenes multiple choice de Precálculo, Matemática, Análisis Matemático y Álgebra lineal. Cada examen se presenta en dos formatos: PDF y HTML. El PDF se imprime y se utiliza como una hoja de examen. Realizada la prueba, se recurre al HTML (quiz ...more>>

  48. Robert Abbott's Mazes - Robert Abbott
    Two very difficult puzzles programmed by Oriel Maxime and based on mazes in Abbott's books: the Sliding Door Maze, and Theseus and the Minotaur. Also a collection of reviews of the books SuperMazes and Mad Mazes, with more puzzles (but nothing interactive), ...more>>

  49. Robert J. Lang Origami - Robert J. Lang
    Lang has catalogued and diagrammed over 400 models, combining aspects of the Western school of mathematical origami design with the Eastern emphasis upon line and form. Read about origami mathematics, which mathematically describe the underlying laws ...more>>

  50. Rodney Carr's Home Page - Deakin University, Australia
    Books and software on statistics and advanced spreadsheet design. Contact the author for passwords to access downloadable documents and executable Microsoft Excel workbooks such as XLStatistics, for statistical analysis of data; XLGenetics, for illustrating ...more>>


 
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