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15 Puzzle of Sam Lloyd - Play online Sam Lloyd's "15" puzzle The funny story of this game Mathematical implications of this game Some funny logical problems with the 15 game.
http://www.holotronix.com/samlloyd15.php |
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A Primer on Cryptarithmetic - Instructions, examples, references and links.
http://www.geocities.com/Athens/Agora/2160/primer.html |
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Aha! Puzzles - Puzzles, books, games and tests with designed by Lloyd King, author of "Test Your Creative Thinking".
http://www.ahapuzzles.com |
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Algebraic Math Puzzles - A collection of puzzles at high school level. Does not include answers.
http://www.lifesmith.com/mathpuz1.html |
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Alien Tiles - Object of puzzle is to try to get color pieces to create certain patterns in cube.
http://www.alientiles.com/ |
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Alphametic Puzzles - Numerous puzzles, links, puzzle solver, and a generator.
http://www.tkcs-collins.com/truman/alphamet/ |
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Alphametics and Cryptarithms - Puzzles in which letters or symbols are substituted for the digits in an arithmetical operation like addition.
http://www.mathematik.uni-bielefeld.de/~sillke/PUZZLES/ALPHAMETIC/ |
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Archive Creative puzzles - Interactive puzzle archive with descriptions for puzzle construction and a special childrens puzzle page.
http://www.creativepuzzels.nl |
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BCIT Mathematical Entertainment - Famous mathematical problems, puzzles, facts, games and trivia.
http://www.math.bcit.ca/entertainment/ |
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Ben Robinson's Cross-Number Puzzles - A collection of cross-number puzzles: similar to crosswords, but using digits instead of letters. Many involve complex mathematical reasoning.
http://www.users.bigpond.com/bendr/xwd/numeric/index.html |
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Brain Teasers by QBrute - Original brain teasers with solutions.
http://www.angelfire.com/empire/qbrute/ |
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Clever Games for Clever People - Games that interest John Conway including Rim and Traffic Jam.
http://www.cs.uidaho.edu/%7Ecasey931/conway/games.html |
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Colorful Mathematics - Educational software presents advanced mathematics to K-12 students in a game-oriented approach, using coloring and drawing techniques to illustrate concepts from graph theory and computer science.
http://www.math.ucalgary.ca/~laf/colorful/colorful.html |
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Contest Center Cryptarithms - Examples of cryptarithms, with prize competitions for subscribers.
http://www.contestcen.com/rithms.htm |
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Curious Numbers - A tribute to the lighter side of math including puzzles, humor, trivia, quotes, inspirations, and math links.
http://www.geocities.com/mrsjennifercall/jennifer_math.htm |
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Free Puzzle Collections - Educational and recreational puzzles for teachers, students and parents. Each puzzle is graded by difficulty and has a hint. Solutions are available to members.
http://www.freepuzzles.com/ |
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Group Games - Animations that develop the theory behind such puzzles as the Rubik cube.
http://www.dsm.univ.trieste.it/%7Elogar/duek2/index_engl.html |
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Interactive Mathematics Miscellany and Puzzles - Java-based math resource including articles, puzzles and links.
http://www.cut-the-knot.com/content.html |
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Ken Duisenberg's Puzzle of the Week Archives - Challenging puzzles and problems.
http://www.ecst.csuchico.edu/%7Ekend/potw/archlist.html |
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Logic Puzzles - Collection of original numerical-logic puzzles. Many are long and difficult, involve sorting and comparing long lists and are intended to be solved using a good spreadsheet program.
http://www.geocities.com/bob_kraus_2000 |
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Magic Math Kingdom - Learn math through games and quiz-oriented tutorial.
http://www.nes-lab.com/english2/ |
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Math Forum - Resources, problems and forum for teachers and students in mathematics.
http://mathforum.org/ |
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Math Puzzles - Logic puzzles and riddles with some solutions.
http://www.math.utah.edu/~cherk/puzzles.html |
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MatheMagic - A collection of mathematical puzzles, jokes and articles.
http://geocities.com/mathimoh |
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MatheMajik - Indian site featuring calculation tricks and math puzzles.
http://mathemajik.tripod.com/ |
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Mathematical Recreations - Detailed exploration of a selection of mathematical topics.
http://www.mathrec.org/ |
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Mathproblems.info - Over one hundred and fifty math problems ranging from basic math to differential equations.
http://mathproblems.info/ |
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Mathpuzzle.com - Celebrates math puzzles and mathematical recreations.
http://www.mathpuzzle.com/ |
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Mathschallenge.net - A website dedicated to the puzzling world of mathematics and computer programming.
http://mathschallenge.net/ |
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Mathwizz - Interactive math problems for abilities ranging from middle school to university.
http://www.mathwizz.com/ |
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Mixed Up Math - Logic problems, where equations are mixed up. In various formats like boxes, crosses, diagonals, mazes. Free download.
http://www.kprobe.com/kprobe/mu.htm |
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Mr Titen's More Than Math - Mathematics teacher provides puzzles for students.
http://www.geocities.com/EnchantedForest/Tower/1133/ |
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Nick's Mathematical Puzzles - A collection of puzzles, with hints, solutions, and links to related mathematical topics.
http://www.qbyte.org/puzzles/rss2.xml |
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Paul Hsieh's Puzzles - Logical and mathematical brain teasers, with an indication of difficulty. Hints are provided; solutions are available by email.
http://www.azillionmonkeys.com/qed/puzzles.html |
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Perfect Times - Teaches and assesses fluency of multiplication and division tables using online cards. Submit data and compare results.
http://www.perfect-times.co.uk/ |
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Polyhedra Links - Pastime and activity links for various geometric patterns, polygons and polyhedra by Jill Britton.
http://britton.disted.camosun.bc.ca/jbpolyhedra.htm |
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Polymorf - Symmetry of Polyhedra - A demonstration of the symmetry and transformational properties of the Platonic and Archimedean solids.
http://www.polymorf.net/ |
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Puzzle of the Week Archives - A collection of puzzles, with hints and full solutions. Compiled by George Moody.
http://ecg.mit.edu/george/puzzles/ |
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Pythabacus - Description and instruction of using the ancient Pythagorean Abacus to do arithmetic.
http://www.pythabacus.com/ |
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SMSU Problem Corner - Math challenges Southwest Missouri State University in three levels of difficulties.
http://math.smsu.edu/%7Eles/POTW.html |
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Sequence Puzzles and Problems - With links to related sites. Compiled by Torsten Sillke.
http://www.mathematik.uni-bielefeld.de/~sillke/SEQUENCES/ |
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Storkey: Two Envelope Paradox - A tough but simply defined problem which demonstrates key issues in probability.
http://www.anc.ed.ac.uk/~amos/doubleswap.html |
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The Contest Center - Classic puzzles and riddles requiring only simple logic and elementary math.
http://www.contestcen.com/classic.htm |
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The Enigmatic World of Philip Carter - Collection of brain teasers from the author of IQ books.
http://www.knowl.demon.co.uk/ |
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The Null Set - Puzzles collected by Guy Kindler, most requiring some undergraduate mathematical knowledge. Some hints are provided.
http://www.princeton.edu/~mathclub/puzzles.html |
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The Puzzling World of Barry R. Clarke - Brain teasers, articles and puzzles forum.
http://barryispuzzled.com/ |
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Tile Tris - Tile a spheroid working room aperiodically or periodically. Includes free demo download.
http://members.lycos.co.uk/tiletris/ |
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Torus and Klein Bottle Games - Collection of Java-based educational puzzles.
http://www.geometrygames.org/TorusGames/index.html |
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Wu's Riddles - A collection of riddles, puzzles, and technical interview questions, with a discussion forum.
http://www.ocf.berkeley.edu/~wwu/riddles/intro.shtml |
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iQED! - Lateral puzzles from "Puzzles for the High IQ" author Lloyd King and founder of The Puzzle Wizards SiteRing.
http://homepage.ntlworld.com/atalanta |
