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  All Sites - 1719 items found, showing 651 to 700

  1. John Mason's Projects - John Mason
    Projects by the author of Thinking Mathematically and former director of the Centre for Mathematics Education: Structured Variation Grids and other animations and applets; studies in algebraic thinking; mathematical explorations; MEMEs (Meaning Enquiry ...more>>

  2. Join the Dots: a Math Line Puzzle - Math Forum
    Can you connect 9 dots laid out 3x3 using 4 straight lines, without lifting your pencil from the paper? Questions, hints, solution. ...more>>

  3. Joseph Malkevitch's Home Page - Joseph Malkevitch, York College (CUNY-The City University of New York)
    Malkevitch's interests include geometry (polytopes, graph theory, tilings, etc.), discrete mathematics, and mathematical modeling (especially models dealing with fairness and equity issues and codes of all kinds). Most of his research concerns using combinatorial ...more>>

  4. The Josephus Problem - Doug Ensley, Shippensburg University
    Explore the problem online, varying the number of people to start and the number to skip: participants arrange themselves in a circle. One is designated number one, and you proceed clockwise, removing e.g. every seventh person. Where should you sit to ...more>>

  5. Josephus Shuffles - Doug Ensley, Shippensburg University
    Named for its relationship to the so-called "Josephus Problem," Josephus shuffles mix up a deck of cards in a peculiar way. This interactive page allows you to investigate the final order of the cards for various values of n and k. ...more>>

  6. Joy of Problem Solving - Deepak Kulkarni
    Math olympiad programs for elementary and middle school kids by a Ph. D. in computer science and former NASA researcher. See, in particular, the section of Kulkarni's site entitled "How to Work on Problems," which includes essays such as Problem Solving ...more>>

  7. juegosdeingenio.org - Ivan Skvarca
    "Un sitio dedicado a los juegos, los acertijos, las paradojas, las diversiones con el lenguaje, los números y las figuras, los ambigramas y todo aquello que maraville y deje perpleja a la inteligencia." ...more>>

  8. JuniorHighMath.com
    Free printable worksheets from a middle school teacher: algebra, one variable; algebra with coefficient; two-step algebra with addition; two-step algebra with subtraction; exponents; Pythagorean Theorem; and circles. ...more>>

  9. Juniorszone
    A provider of online primary school education offering literacy, numeracy keystage2 strategy based on the UK national curriculum. Areas include e learning, educational games, interactive learning, brain teasers, homework help, and free online tutorials. ...more>>

  10. Just a Usual Day at Unusual School (MegaMath) - Nancy Casey; Los Alamos National Laboratory
    Students perform a play that takes place in a school where some of the students always lie and the rest always tell the truth. Terry, the protagonist, is trying to find out which students are which, but at the beginning, there is no way of knowing whom ...more>>

  11. JustMaths - Seager, Christian; Khawaja, Faisal; Muldowney, Melanie
    Video tutorials, practice exam questions, and other intervention resources created by three teachers practicing in the UK Midlands. Free resources include "trumps" and exam questions in algebra, data handling, geometry and measure, number, and more. Blog ...more>>

  12. K5 Learning - Roy Zanatta
    K5 Math and K5 Math Facts are online learning programs for after school study, summer study, and homeschooling. The K5 Math online enrichment program consists of a free math assessment and over a thousand curricula-based, interactive tutorials and quizzes. ...more>>

  13. Kakuro Puzzles - JAKRO Soft LLC
    Free printable crossword puzzles that use sums instead of spellings, offered at difficulty levels of easy, medium, hard, and "evil." See also JAKRO's apps and page of tips for solving kakuro. ...more>>

  14. Kalva - John Scholes
    Problem sets, with solutions, including a complete set of all International Mathematical Olympiad problems beginning with the first IMO in 1959. The site also includes a large set of Russian Olympiad problems, Putnam problems since 1938, Newman problems, ...more>>

  15. Kamanaga - Madhusudhan Nagarajan
    Addition, subtraction, multiplication, and division worksheets to print out or to solve online interactively. Choose adding problems with or without "carrying," subtracting questions with or without "borrowing," and practice dividing with or without remainders. ...more>>

  16. Kangaroo Maths - Kangaroo Maths Ltd
    Free maths resources to download in number, algebra, shape and space, and data handling. Assessments include homework sheets and "make the grade" tests; games and puzzles offer World Cup spreadsheet simulations. Kangaroo Maths also hosts Microsoft Word ...more>>

  17. KappAbel - Roald Buvig
    Problems from a competition open to pupils in 8th grade in Sweden, Finland (including the Aaland Islands), and Denmark (including Greenland and the Faroe Islands), and ninth graders in Iceland and Norway. See, in particular, the English language weekly ...more>>

  18. Karla Hoffman
    A specialist in operations research and combinatorial optimization. Papers in PDF, PostScript, or HTML formats include articles on airline scheduling, set covering, and the traveling salesman problem. Resume and curriculum vitae and syllabus, project, ...more>>

  19. Ka's Geometriepage & Mathe-Galerie: Grundschulmathematik - Monika Schwarze
    Eine Seite zur Grundschulmathematik mit Software-Tipps. Links zu Mathematikunterrichtseinheiten für Grundschulkinder der Klassen 1 bis Klasse 4; Freiarbeitsmaterialien und kleinen Unterrichtsprojekten. A German Web site for teachers and lovers of geometry, ...more>>

  20. Keep the Traffic Moving! - Dept. of Mathematics, University of Toronto, Canada
    Be your own traffic engineer and use this computer simulation to find out how far apart to space the light changes for a given scenario. Includes mathematical models and related questions. ...more>>

  21. KenKen - Nextoy, LLC
    KenKen is a sudoku variant invented by Japanese mathematics teacher Tetsuya Miyamoto. This site offers puzzles at various levels of difficulty to get you started, as well as rules, tips, news, related products, and KenKen programs for your mobile device. ...more>>

  22. Ken Shirriff
    A researcher at Sun Microsystems. Annotated bibliographies on fractals and cryptography, and related papers, which may be downloaded in PostScript format. Graphics of Voronoi fractals (dividing the plane into regions closest to a given point) and fractals ...more>>

  23. Ken's Puzzle of the Week - Ken Duisenberg
    A weekly puzzle for advanced high school or college level, with a math, geometry, or game focus. The problems are easy to understand but tricky to solve. An archive of previous problems and solutions is included, together with a list of other puzzle sites ...more>>

  24. Key Curriculum Press
    Publisher of innovative texts and software applications for teaching mathematics including the Geometer's Sketchpad (dynamic geometry), Fathom (dynamic statistics), TinkerPlots (dynamic data exploration and analysis), Michael Serra's textbook Discovering ...more>>

  25. Keyed-In Magazine - nelsonthornes.com
    Weekly puzzles, quizzes, features of great mathematicians, fun with numbers, and strategy games. An Internet quest and "the serious stuff" offer self-scoring problems. Teacher resources provide links and ideas for each chapter of the Nelson Thornes Key ...more>>

  26. Kids Activities - Barak Bezalel
    Freely downloadable illustrated PDF worksheets. ...more>>

  27. Kidsmath - About.com
    A guided portal to the world of kids' internet math sites. Includes links to math sites categorized by level and topic; math newsletters (which typically highlight a group of sites on one topic, with associated articles); discussion forums; monthly problems ...more>>

  28. KidsNumbers - The KidsKnowIt Network
    KidsNumbers' most popular single-player games count down against a clock: Add It Up, Lake Mathatobie (addition), Turkey Terminator (fractions), Number Drop (basic operations set to a Tetris-like challenge), St. Pat's Math Adventure (basic operations). ...more>>

  29. Kid's Page Archive: Free Printable Math Worksheets - Tracey Smith
    Free printable math worksheets for pre-k through 5th graders. ...more>>

  30. The Kid's Pages - Rob Rogoski and Bill Pierson
    Online "worksheets," each with 30 randomly generated problems in addition, subtraction, multiplication, or division. After submitting answers, get back a page of results that diplays your name, individual answers checked right or wrong, overall percentage ...more>>

  31. KinderIQ - Wade Luders
    KinderIQ provides learning activities with immediate audio and visual feedback to help children master the early-childhood skills needed in kindergarten. The company also provides freely downloadable PDFs of worksheets, activities, and learning games: ...more>>

  32. The Klein Project
    Revisiting the intent of Felix Klein's Elementary Mathematics from an Advanced Standpoint on the centenary of its publication, this IMU/ICMI-commissioned project aims to produce a book for upper secondary teachers that communicates the breadth and vitality ...more>>

  33. KöMaL - Mathematical and Physical Journal for Secondary Schools - Hungarian Ministry of Education
    A journal that first appeared on January 1, 1894. The best solutions with the names of the 14-18-year-old authors are printed. KöMaL regularly reports on national and international competitions, prints articles on interesting results in mathematics and ...more>>

  34. Knight Coverings for Large Chessboards - Frank Rubin
    Knight coverings for square chessboards up to 26x26, and proofs of optimality for boards up to 10x10. The problem of how to cover a chessboard with the smallest number of knights has fascinated mathematicians and chess players for years. The problem is ...more>>

  35. The komplex plane - Travis Kowalski
    Kowalski's problems, animations, tutorials, and other "mathlets" focus on calculus. See also the jokes collected by this professor at South Dakota's School of Mines, and his blog of math musings that wonder at the mathematics in everything from quilts ...more>>

  36. KrazyDad.com - Jim Bumgardner
    Printable puzzles, mazes, games, and more from a self-described "senior nerd" at Disney Interactive Labs: kakuro (aka cross sums, numeric crossword puzzles), krypto kakuro (a combination of kakuro and cryptograms), slitherlink, bridges (aka Hashiwokakero), ...more>>

  37. KRN Software
    Free online games for Java-enabled browsers. Java Edutainment games require matching shapes and colors in Space Cargo and Cargo Bay, simple addition in Numeric Defenders, and odd and even number identification in Even Steven, Jr. ...more>>

  38. "Kryptos" - Central Intelligence Agency (CIA)
    This page showcases the history and mystery of "Kryptos," a sculpture at the CIA by artist James Sanborn. See the Flash video introduction, and learn more about the sculpture, the code, and the artist. Text-only version available. ...more>>

  39. Kung Fu Science - Institute of Physics
    Watch martial artist Chris Crudelli demonstrate to physicist Michelle Cain how she can break a wooden plank with one strike of her bare hand. Before actually attempting the feat herself, Cain applies Newton's laws and the conservation of energy to calculate ...more>>

  40. kwizNET Learning System - kwizNET Learning
    Automatically generated quizzes and worksheets, based on widely recognized curricula. Includes progress indicators and award certificates to keep students motivated. ...more>>

  41. La Biblio
    Una biblioteca de textos electrónicos. Los índices adjuntos permiten navegar por una gran diversidad de temas, todos ellos relacionados con el mundo de las Matemáticas a un nivel de bachillerato o superior. De una recopilación ...more>>

  42. Laboratorio Virtual de Triángulos con Cabri - Ricardo Barroso Campos
    In Spanish: triangle problems proposed, and solutions via Cabri are requested. ...more>>

  43. Labyrinth - Peter Kishalov
    An online puzzle: choose the correct door to advance through the labyrinth, based on logic puzzles similar to those published by Raymond Smullyan in his book The Lady or the Tiger?. ...more>>

  44. The Ladies' Diary - Ivars Peterson (MathLand)
    The Ladies' Diary: or, Woman's Almanack was published annually, starting in 1704. Printed in London, it featured the usual stuff of almanacs: calendar material, phases of the moon, sunrise and sunset times, important dates (eclipses, holidays, school ...more>>

  45. The Language of Mathematics - Warren Esty; Montana State University
    A book and core-course at Montana State University. Site provides a description of the philosophy behind the book, the methods used in the book and course, research results from studies of both, and information on ordering the book. Also a bio of the ...more>>

  46. Lateral Puzzles - Paul Sloane
    Pose or solve lateral thinking puzzles, also known as situation puzzles, which depict a counterintuitive scenario to be explained by asking yes-no questions or by proposing explanations. Read question-and-answer conversations of current and solved puzzles; ...more>>

  47. The Latin School of Chicago Middle School Problem of the Week - Tom Canright
    Math and logic puzzles -- many original, some reproduced from sources such as NCTM journals -- with solutions presented in accompanying videos. ...more>>

  48. LearnBop - LearnBop INC.
    One-on-one online tutoring for students; infographic progress reports for their teachers and parents. See, in particular, LearnBop's auto-scoring playlists of algebra and other math problems, which offer "ask for help" buttons and step-by-step guidance. ...more>>

  49. LearnChem.net - boeschcomputing.com.au
    Organic and physical chemistry AP topics, tutorials, tests and quizzes, practice problems, and tools. ...more>>

  50. Learn.co.uk - Guardian Education Interactive Ltd.
    Interactive resources for learners to support Great Britian's national curriculum. Self-guided lessons, with glossaries and self-assessments, for key stage 2, key stage 3, or key stage 4 cover numbers; shape, space, and measurement; handling data; algebra, ...more>>


 
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