Combinatorial Games 11
For Kids 30
Games and Puzzles 74
Magic Square 46
Ambigrams 20
Flexagons 6
Polyominoes 96
Specific Numbers 192
Tessellations 47
Competitions 123
Conway's Game of Life 23
Famous Problems 22
| | Geometry and Modulars - Origami, Crafts, Arts 13
Puzzles - Games 698
Mathematics - Science, Humor, Recreation 27
Fractal Art - Chaos and Fractals, Math, Science 134
Sculpture and Art - Geometry, Math, Science 16
 Famous Curves IndexFamous Curves Index
 
Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.
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The Aesthetics of SymmetryThe Aesthetics of Symmetry
 A brief digression into how people perceive symmetrical patterns -- what makes them boring, interesting, or overly intricate
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Amazing SpiroAmazing Spiro
 An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving of completed image.
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Back to Square OneBack to Square One
 Includes description, solutions and other resources on this cube-like puzzle.
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Critical MathCritical Math
 Articles and images on recreational math from fractals and magic squares to mathemorchids and Galois.
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Cryptarithms OnlineCryptarithms Online
 70 brain-teasers; a Primer on Cryptarithmetic; books and links to alphametics on the Web.
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CuriousMathCuriousMath
 Include news, math tricks, methods, facts, trivia, mostly posted by users.
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David Singmaster: List of Available MaterialDavid Singmaster: List of Available Material
 Teaching and recreational items in this personal collection.
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The Diamond 16 PuzzleThe Diamond 16 Puzzle
 New version of the classic puzzle using row/column/quadrant permutations to display symmetries of graphic designs. Has link to a site on the underlying mathematics (Diamond Theory).
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A Disproof of Pythagoras' Theorem?A Disproof of Pythagoras' Theorem?
 A method of disproving the Theorem of Pythagoras is presented. The author is adamant that this is intended only as a puzzle to find the mistake in the arguments, and not as a serious proposal.
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Eric's Scientific Book List: Recreational MathematicsEric's Scientific Book List: Recreational Mathematics
 Book list from Eric Weisstein including titles, authors, publishers, prices, page count and some have links to Amazon.com.
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The Eugène Strens Recreational Mathematics CollectionThe Eugène Strens Recreational Mathematics Collection
 A special collection at the University of Calgary, including the archives of Martin Gardner. There is a searchable online index.
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EurekaEureka
 The annual journal of the Archimedeans, the mathematical society of the University of Cambridge. It regularly contains articles on recreational mathematics.
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Fair DiceFair Dice
 Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.
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Famous CurvesFamous Curves
 Visual animations of famous curves.
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Fast Arithmetic TipsFast Arithmetic Tips
 Three categories: defensive - know to check an answer, offensive - fast mental calculations, and math magic.
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Fibonacci numbers and the Pascal triangleFibonacci numbers and the Pascal triangle
 The relation between Fibonacci numbers and Pascal's triangle. English/German/Serbian.
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Final AnswersFinal Answers
 Numerous facts including formulas, magic tricks, fallacies, recreations compiled by Dr. Gerald P. Michon.
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Fun With MathematicsFun With Mathematics
 Includes pages on the topics of primes, fibonacci numbers, PI computation, data encryption and links to calculator programs.
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Gardner IndexGardner Index
 Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American.
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Geometric Packing ProblemsGeometric Packing Problems
 By Joseph Malkevitch: "Given one shape X how and when can one pack identical copies of this shape into another shape Y?"
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HAKMEMHAKMEM
 A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program.
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How To Manually Find A Square RootHow To Manually Find A Square Root
 The way to do find a square root without a calculator.
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IamondIamond
 A page on polyiamond puzzles. Includes many pages on tessellation.
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Jlpe's Number Recreations PageJlpe's Number Recreations Page
 Features original number recreations by the author, such as generalized perfect numbers, digital diversions, diophantine equations, didactic numbers, and number theory.
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Look and Say Sequence GeneratorLook and Say Sequence Generator
 Creates a special kind of summation formula created by John Conway.
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MAA Library List in Recreational MathematicsMAA Library List in Recreational Mathematics
 Book list split into categories. Includes title, author, publisher and date information about each book.
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MAT 007 I NewsMAT 007 I News
 A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies.
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Math Forum: 2001 Mathematics GameMath Forum: 2001 Mathematics Game
 A contest that asks to write all integers from 1 to 100 using only the digits 2,0,0,1 and arithmetic operations.
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Math Forum: 2002 Mathematics GameMath Forum: 2002 Mathematics Game
 A contest where the contestants have to write all integers from 1 to 100 using only the digits 2,0,0,2 and arithmetic operations.
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Math Forum: Algebra Problem of the WeekMath Forum: Algebra Problem of the Week
 View this week's algebra problem or those of previous weeks.
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Math in the MoviesMath in the Movies
 A guide to major motion pictures with scenes of real mathematics.
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Math Magic By ComputerMath Magic By Computer
 Interactive java puzzles and activities in different mathematical topics.
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Mathematical DiversionsMathematical Diversions
 Mostly original diversions in mathematics and word play.
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Mathematical FictionMathematical Fiction
 A list of mathematical fictional movies, books, stories, plays and shows. Split into categories including children's books. Can be sorted by mathematical content and literary quality.
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Mathematical InductionMathematical Induction
 A page of uncommon problems, most closely connected with number theory.
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Mathematical Lego SculpturesMathematical Lego Sculptures
 Designed and built by Andrew Lipson. Images and LDraw files.
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Mathematical Problems - Problem SolvingMathematical Problems - Problem Solving
 Mathematics Hots (Problems) by Bruno Kevius
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Mathematical Quotation ServerMathematical Quotation Server
 Furman University Mathematical Quotation Server - random or searchable math quotes.
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Mathematical Quotation ServerMathematical Quotation Server
 A collection of mathematical quotations culled from many sources. You may conduct a keyword search through the quotation database.
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Mathematical SpectrumMathematical Spectrum
 Mathematical Spectrum is a magazine for students and teachers of mathematics in universities, colleges and schools worldwide. It may be read by anybody interested in mathematics as a recreation.
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A Mathematician's AestheticsA Mathematician's Aesthetics
 In his classic A Mathematician's Apology, G. H. Hardy likened mathematics to poetry and painting. This site elaborates on Hardy's remark with quotations from Stevens, Klee, Fry, and Focillon. Links to related sites are given.
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Mathematics in Art and ArchitectureMathematics in Art and Architecture
 An interdisciplinary course on mathematics in art and architecture.
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Mathematics Museum (Japan)Mathematics Museum (Japan)
 At Mathematics Museum (Japan) you would be surprised how interesting mathematics is. You will find exhibition rooms produced by Japanese researchers and educators.
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MathematikMathematik
 Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory.
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Mathematische BasteleienMathematische Basteleien
 Topics include Flexagon, Soma Cube, Pentominos, Cube-it, Rubik's Cube, Froebel's Star, Tangram, House of Santa Claus, Chronogram, Numeric Palindromes, Latticework of Letters. English/German.
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MathmosMathmos
 Includes puzzles, jokes, quotations, poetry, and FAQs.
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Maze Classification and AlgorithmsMaze Classification and Algorithms
 A short description of mazes and how to create them. Definition of different mazetypes and their algorithms.
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Mudd Math Fun FactsMudd Math Fun Facts
 An archive of interesting math facts for use in the classroom or just for fun. Browse by subject, difficulty, keywords, or try the "random" feature. Based at Harvey Mudd College.
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Narcissistic NumbersNarcissistic Numbers
 Those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves.
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The Nine Digits PageThe Nine Digits Page
 Puzzles and problems connected with numbers using the digits 1-9.
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Number Recreations by Shyam Sunder GuptaNumber Recreations by Shyam Sunder Gupta
 Features interesting facts about different numbers. Includes favorite related links.
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On the Puzzles with Polyhedra and NumbersOn the Puzzles with Polyhedra and Numbers
 This is an article on a set of didactical games edited by the Portuguese Mathematical Society (SPM). [PDF]
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One Metaphor Fits AllOne Metaphor Fits All
 Explains Conway's audioactive decay that is generated by a particular kind of sequence. Includes illustrations and related resources.
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Origami MathematicsOrigami Mathematics
 Information on the mathematics of paper folding.
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Properties of DiceProperties of Dice
 Polyhedral dice and their properties.
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RecmathRecmath
 Includes pages on magic squares and polyomino patterns and contains related java applets.
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Recreational and Educational ComputingRecreational and Educational Computing
 A newsletter with programs, including optional supplemental PC disk. All back issues are available. Topics include puzzles and teasers, BASIC programming, letters, graphics, fractals, challenges, recreation, reviews, word-play, humor, tips, solutions, and Mathemagical Black Holes.
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Recreational MathematicsRecreational Mathematics
 Links collected at CAMEL, the Canadian Mathematical Society website.
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Recreational Mathematics (David Eppstein)Recreational Mathematics (David Eppstein)
 An extensive list of web resources for recreational math.
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Recreational Mathematics ForumRecreational Mathematics Forum
 A forum for posting messages about math recreations. Hosted at Delphi.
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Recreational Mathematics TopicsRecreational Mathematics Topics
 By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics.
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Roman NumeralsRoman Numerals
 Includes a introduction to Roman numerals including a translation of the digits used and a converter which can convert decimal to Roman numerals and vice versa.
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Rubik's Cube Lecture NotesRubik's Cube Lecture Notes
 Notes on the mathematics of the Rubik's cube.
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SimonSingh.netSimonSingh.net
 Home of Simon Singh: author, journalist and TV producer, specialising in science and mathematics. Cryptography is one of his specialties, and his site has a lot of educational and fun content about codes and codebreaking.
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Sir Roger PenroseSir Roger Penrose
 An article about him and his interests and contributions to recreational mathematics.
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Skytopia - Super MagnetSkytopia - Super Magnet
 A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations.
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The Sound of MathematicsThe Sound of Mathematics
 Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files.
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SpirochartsSpirocharts
 A windows application that creates mathematically precise spirograph drawings; savable as images.
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SportlabSportlab
 Combines high school and college math topics into sports applications.
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Stunning Friends with Math MagicStunning Friends with Math Magic
 A collection of card tricks, number guessing games, paper and glue magic, and other math exercises.
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Table of Numbers ProblemTable of Numbers Problem
 Given a m * n rectangle, place all numbers from 1 to mn that minimizes the sum of the products of rows and columns (both in Spanish and English).
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Wade Edward PhilpottWade Edward Philpott
 Profile and description of his mathematical games and puzzles.
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Who Can Name the Bigger Number?Who Can Name the Bigger Number?
 An essay by Scott Aaronson on the quest for ever-bigger numbers, from exponentials to Busy Beavers.
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