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Science > Math > Recreations > Games and Puzzles

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Brain Teasers (15)
Magic Square (46)
Problem of the Week (21)
Rubik's Cube Solutions (26)

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Games > Puzzles (829)

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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.

A Primer on Cryptarithmetic - http://www.geocities.com/Athens/Agora/2160/primer.html
Instructions, examples, references and links.

A+ Math - http://www.aplusmath.com/
Interactive math help for K-12 students with flashcards, Math Wordfind, Homework Helper and worksheets.

Aha! Puzzles - http://www.ahapuzzles.com
Puzzles, books, games and tests with designed by Lloyd King, author of "Test Your Creative Thinking".

AIMS Puzzle Corner - http://www.aimsedu.org/puzzle/
Provides over 100 puzzles with the goal of creating an engaging learning environment.

Algebraic Math Puzzles - http://www.lifesmith.com/mathpuz1.html
A collection of puzzles at high school level. Does not include answers.

Alien Tiles - http://www.alientiles.com/
Object of puzzle is to try to get color pieces to create certain patterns in cube.

Alphametic Puzzles - http://www.tkcs-collins.com/truman/alphamet/
Numerous puzzles, links, puzzle solver, and a generator.

Alphametics Page - http://members.aol.com/s6sj7gt/mikealp.htm
Compiled by Mike Keith. Examples of various genres.

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.

Brain Teasers and Maths Puzzles - http://www.syvum.com/teasers/
Interactive logical and mathematical puzzles with feedback and detailed solutions.

Brain Teasers by QBrute - http://www.angelfire.com/empire/qbrute/
Original brain teasers with solutions.

Calculus-Help Problem of the Week Archive - http://www.calculus-help.com/problem.html
Calculus based problems range from easy to difficult.

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.

Contest Center Cryptarithms - http://www.contestcen.com/rithms.htm
Examples of cryptarithms, with prize competitions for subscribers.

Creative puzzles - http://www.creatievepuzzels.com/
Interactive puzzle archive with descriptions for puzzle construction and a special children's puzzle page.

Dick's Math Puzzle Page - http://www.mod2.org/
A collection of mathematical puzzles, some original, with fully worked solutions.

Downloadable and online games - http://www.gameintellect.com/
A variety of Flash- and Java-based games and puzzles.

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.

Group Games - http://www.dmi.units.it/~logar/duek2/index_engl.html
Animations that develop the theory behind such puzzles as the Rubik cube.

Interactive Mathematics Miscellany and Puzzles - http://www.cut-the-knot.org/
Java-based math resource including articles, puzzles and links.

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.

Logicville - http://www.logicville.com/
Educational puzzles, brain teasers, and word games such as anagrams, cryptograms, alphametics, doublets, tangrams.

Magic Math Kingdom - http://www.nes-lab.com/english2/
Learn math through games and quiz-oriented tutorial.

Math Puzzles - http://www.math.utah.edu/~cherk/puzzles.html
Logic puzzles and riddles with some solutions.

MatheMagic - http://geocities.com/mathimoh/
A collection of mathematical puzzles, jokes and articles.

MatheMajik - http://mathemajik.tripod.com/
Indian site featuring calculation tricks and math puzzles.

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.

Mathematical Recreations - http://www.mathrec.org/
Detailed exploration of a selection of mathematical topics.

Mathproblems.info - http://mathproblems.info/
Over one hundred and fifty math problems ranging from basic math to differential equations.

Mathpuzzle.com - http://www.mathpuzzle.com/
Celebrates math puzzles and mathematical recreations.

Mathschallenge.net - http://mathschallenge.net/
A website dedicated to the puzzling world of mathematics, with a discussion forum.

Mathschallenge.net - http://mathschallenge.net/rss2.xml
A website dedicated to the puzzling world of mathematics.

Mathwizz - http://www.mathwizz.com/
Interactive math problems for abilities ranging from middle school to university.

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.

Mr Titen's More Than Math - http://www.geocities.com/EnchantedForest/Tower/1133/
Mathematics teacher provides puzzles for students.

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.

Nick's Mathematical Puzzles - http://www.qbyte.org/puzzles/rss2.xml
A collection of puzzles, with hints, solutions, and links to related mathematical topics.

Nick's Mathematical Puzzles - http://www.qbyte.org/puzzles/
A collection of puzzles, with hints, solutions, and links to related mathematical topics.

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.

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.

Polyhedra Links - http://britton.disted.camosun.bc.ca/jbpolyhedra.htm
Pastime and activity links for various geometric patterns, polygons and polyhedra by Jill Britton.

Polymorf - Symmetry of Polyhedra - http://www.polymorf.net/
A demonstration of the symmetry and transformational properties of the Platonic and Archimedean solids.

Puzzle of the Week Archives - http://ecg.mit.edu/george/puzzles/
A collection of puzzles, with hints and full solutions. Compiled by George Moody.

Puzzles of Leonid Mochalov - http://puzzlemochalov.com/
A variety of challenging geometrical and arithmetical puzzles, many with solutions.

Pythabacus - http://www.pythabacus.com/
Description and instruction of using the ancient Pythagorean Abacus to do arithmetic.

Scott Kim - http://www.scottkim.com/
Puzzles for web, computers, and print; ambigrams.

Storkey: Two Envelope Paradox - http://homepages.inf.ed.ac.uk/amos/doubleswap.html
A tough but simply defined problem which demonstrates key issues in probability.

The Contest Center - http://www.contestcen.com/classic.htm
Classic puzzles and riddles requiring only simple logic and elementary math.

The Enigmatic World of Philip Carter - http://www.knowl.demon.co.uk/
Collection of brain teasers from the author of IQ books.

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.

The Puzzling World of Barry R. Clarke - http://barryispuzzled.com/
Brain teasers, articles and puzzles forum.

Torus and Klein Bottle Games - http://www.geometrygames.org/TorusGames/index.html
Collection of Java-based educational puzzles.

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.

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