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Science > Math > Recreations > Games and Puzzles

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Brain Teasers (15)
Magic Square (48)
Problem of the Week (21)
Rubik's Cube Solutions (27)

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Games > Puzzles (841)

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	Interactive Mathematics Miscellany and Puzzles - http://www.cut-the-knot.org/ Java-based math resource including articles, puzzles and links.
	A+ Math - http://www.aplusmath.com/ Interactive math help for K-12 students with flashcards, Math Wordfind, Homework Helper and worksheets.
	Mathpuzzle.com - http://www.mathpuzzle.com/ Celebrates math puzzles and mathematical recreations.
	Scott Kim - http://www.scottkim.com/ Puzzles for web, computers, and print; ambigrams.
	Torus and Klein Bottle Games - http://www.geometrygames.org/TorusGames/index.html Collection of Java-based educational puzzles.

	Calculus-Help Problem of the Week Archive - http://www.calculus-help.com/problem.html Calculus based problems range from easy to difficult.
	Nick's Mathematical Puzzles - http://www.qbyte.org/puzzles/ A collection of puzzles, with hints, solutions, and links to related mathematical topics.
	Mathschallenge.net - http://mathschallenge.net/ A website dedicated to the puzzling world of mathematics, with a discussion forum.
	Alien Tiles - http://www.alientiles.com/ Object of puzzle is to try to get color pieces to create certain patterns in cube.
	Brain Teasers and Maths Puzzles - http://www.syvum.com/teasers/ Interactive logical and mathematical puzzles with feedback and detailed solutions.

	Mathproblems.info - http://mathproblems.info/ Over one hundred and fifty math problems ranging from basic math to differential equations.
	Colorful Mathematics - http://www.math.ucalgary.ca/~laf/colorful/colorful.html 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.
	Polymorf - Symmetry of Polyhedra - http://www.polymorf.net/ A demonstration of the symmetry and transformational properties of the Platonic and Archimedean solids.
	The Little Math Puzzle - http://www.sprucelog.com/lmp/ The Little Math Puzzle has been a K-12 Internet activity since 1995 for grades 5-9. Currently the puzzles have ceased but the site maintains complete archives of past problems.
	Free Puzzle Collections - http://www.freepuzzles.com/ Educational and recreational puzzles for teachers, students and parents. Each puzzle is graded by difficulty and has a hint. Solutions are available to members.

	Mathschallenge.net - http://mathschallenge.net/rss2.xml A website dedicated to the puzzling world of mathematics.
	Polyhedra Links - http://britton.disted.camosun.bc.ca/jbpolyhedra.htm Pastime and activity links for various geometric patterns, polygons and polyhedra by Jill Britton.
	Magic Math Kingdom - http://www.nes-lab.com/english2/ Learn math through games and quiz-oriented tutorial.
	Dick's Math Puzzle Page - http://www.mod2.org/ A collection of mathematical puzzles, some original, with fully worked solutions.
	Aha! Puzzles - http://www.ahapuzzles.com Puzzles, books, games and tests with designed by Lloyd King, author of "Test Your Creative Thinking".

	The Puzzling World of Barry R. Clarke - http://barryispuzzled.com/ Brain teasers, articles and puzzles forum.
	Mathematical Games - http://www.madras.fife.sch.uk/maths/games/ A collection of pencil and paper games with mathematical content. Many can be played through the site.
	Mathwizz - http://www.mathwizz.com/ Interactive math problems for abilities ranging from middle school to university.
	Logicville - http://www.logicville.com/ Educational puzzles, brain teasers, and word games such as anagrams, cryptograms, alphametics, doublets, tangrams.
	Group Games - http://www.dmi.units.it/~logar/duek2/index_engl.html Animations that develop the theory behind such puzzles as the Rubik cube.

	Perfect Times - http://www.perfect-times.co.uk/ Teaches and assesses fluency of multiplication and division tables using online cards. Submit data and compare results.
	Contest Center Cryptarithms - http://www.contestcen.com/rithms.htm Examples of cryptarithms, with prize competitions for subscribers.
	Paul Hsieh's Puzzles - http://www.azillionmonkeys.com/qed/puzzles.html Logical and mathematical brain teasers, with an indication of difficulty. Hints are provided; solutions are available by email.
	A Primer on Cryptarithmetic - http://www.geocities.com/Athens/Agora/2160/primer.html Instructions, examples, references and links.
	Downloadable and online games - http://www.gameintellect.com/ A variety of Flash- and Java-based games and puzzles.

	Storkey: Two Envelope Paradox - http://www.anc.ed.ac.uk/~amos/doubleswap.html A tough but simply defined problem which demonstrates key issues in probability.
	Mathematical Recreations - http://www.mathrec.org/ Detailed exploration of a selection of mathematical topics.
	15 Puzzle of Sam Lloyd - http://www.holotronix.com/samlloyd15.php Play online Sam Lloyd's "15" puzzle. The funny story and mathematical implications of this game. Some funny logical problems with the 15 game.
	Pythabacus - http://www.pythabacus.com/ Description and instruction of using the ancient Pythagorean Abacus to do arithmetic.
	Algebraic Math Puzzles - http://www.lifesmith.com/mathpuz1.html A collection of puzzles at high school level. Does not include answers.

	Logic Puzzles - http://www.geocities.com/bob_kraus_2000/ 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.
	The Contest Center - http://www.contestcen.com/classic.htm Classic puzzles and riddles requiring only simple logic and elementary math.
	Alphametic Puzzles - http://www.tkcs-collins.com/truman/alphamet/ Numerous puzzles, links, puzzle solver, and a generator.
	The Enigmatic World of Philip Carter - http://www.knowl.demon.co.uk/ Collection of brain teasers from the author of IQ books.
	Brain Teasers by QBrute - http://www.angelfire.com/empire/qbrute/ Original brain teasers with solutions.

	Puzzle of the Week Archives - http://ecg.mit.edu/george/puzzles/ A collection of puzzles, with hints and full solutions. Compiled by George Moody.
	Mr Titen's More Than Math - http://www.geocities.com/EnchantedForest/Tower/1133/ Mathematics teacher provides puzzles for students.
	Ben Robinson's Cross-Number Puzzles - http://www.users.bigpond.com/bendr/xwd/numeric/index.html A collection of cross-number puzzles: similar to crosswords, but using digits instead of letters. Many involve complex mathematical reasoning.
	MatheMajik - http://mathemajik.tripod.com/ Indian site featuring calculation tricks and math puzzles.
	MatheMagic - http://geocities.com/mathimoh/ A collection of mathematical puzzles, jokes and articles.

	Alphametics Page - http://members.aol.com/s6sj7gt/mikealp.htm Compiled by Mike Keith. Examples of various genres.
	Creative puzzles - http://www.creatievepuzzels.com/ Interactive puzzle archive with descriptions for puzzle construction and a special children's puzzle page.
	Math Puzzles - http://www.math.utah.edu/~cherk/puzzles.html Logic puzzles and riddles with some solutions.
	Nandor's Exhaustive Chemical Words Pages - http://www.wellington.org/nandor/chemwords/chemwords.htm Lists all the English words, word squares, and magic squares that can be written using chemical symbols.
	Puzzles of Leonid Mochalov - http://puzzlemochalov.com/ A variety of challenging geometrical and arithmetical puzzles, many with solutions.

	Nick's Mathematical Puzzles - http://www.qbyte.org/puzzles/rss2.xml A collection of puzzles, with hints, solutions, and links to related mathematical topics.
	AIMS Puzzle Corner - http://www.aimsedu.org/puzzle/ Provides over 100 puzzles with the goal of creating an engaging learning environment.
	Wu's Riddles - http://www.ocf.berkeley.edu/~wwu/riddles/intro.shtml A collection of riddles, puzzles, and technical interview questions, with a discussion forum.
	Mixed Up Math - http://www.kprobe.com/kprobe/mu.htm Logic problems, where equations are mixed up. In various formats like boxes, crosses, diagonals, mazes. Free download.

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