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- For Kids@ (29)
- Games and Puzzles (73)
- Magic Square (45)
- Ambigrams@ (20)
- Flexagons (4)
- Polyominoes (93)
- Specific Numbers (182)
- Tessellations (46)
- Competitions (122)
- Conway's Game of Life@ (23)
- Famous Problems (22)
Directory in other languages
MATH RECREATIONS
Top -> Science -> Math -> Recreations (659)
Mathematical Problems - Problem Solving
Mathematics Hots (Problems) by Bruno Kevius
mathres.kevius.com
Mathematics Hots (Problems) by Bruno Kevius
mathres.kevius.com
How To Manually Find A Square Root
The way to do find a square root without a calculator.
math.arizona.edu
The way to do find a square root without a calculator.
math.arizona.edu
David Singmaster: List of Available Material
Teaching and recreational items in this personal collection.
anduin.eldar.org
Teaching and recreational items in this personal collection.
anduin.eldar.org
Math Forum: Algebra Problem of the Week
View this week's algebra problem or those of previous weeks.
mathforum.org
View this week's algebra problem or those of previous weeks.
mathforum.org
Mathematical Lego Sculptures
Designed and built by Andrew Lipson. Images and LDraw files.
www.andrewlipson.com
Designed and built by Andrew Lipson. Images and LDraw files.
www.andrewlipson.com
Look and Say Sequence Generator
Creates a special kind of summation formula created by John Conway.
www.btinternet.com
Creates a special kind of summation formula created by John Conway.
www.btinternet.com
Recreational Mathematics (David Eppstein)
An extensive list of web resources for recreational math.
www.ics.uci.edu
An extensive list of web resources for recreational math.
www.ics.uci.edu
Mathematics in Art and Architecture
An interdisciplinary course on mathematics in art and architecture.
www.math.nus.edu.sg
An interdisciplinary course on mathematics in art and architecture.
www.math.nus.edu.sg
The Nine Digits Page
Puzzles and problems connected with numbers using the digits 1-9.
www.worldofnumbers.com
Puzzles and problems connected with numbers using the digits 1-9.
www.worldofnumbers.com
CuriousMath
Include news, math tricks, methods, facts, trivia, mostly posted by users.
www.curiousmath.com
Include news, math tricks, methods, facts, trivia, mostly posted by users.
www.curiousmath.com
Mathematical Induction
A page of uncommon problems, most closely connected with number theory.
www.math.cl
A page of uncommon problems, most closely connected with number theory.
www.math.cl
Back to Square One
Includes description, solutions and other resources on this cube-like puzzle.
www.geocities.com
Includes description, solutions and other resources on this cube-like puzzle.
www.geocities.com
Math Magic By Computer
Interactive java puzzles and activities in different mathematical topics.
www.cut-the-knot.org
Interactive java puzzles and activities in different mathematical topics.
www.cut-the-knot.org
Recreational Mathematics
Links collected at CAMEL, the Canadian Mathematical Society website.
camel.math.ca
Links collected at CAMEL, the Canadian Mathematical Society website.
camel.math.ca
Famous Curves Index
Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.
www-groups.dcs.st-and.ac.uk
Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.
www-groups.dcs.st-and.ac.uk
Recreational Mathematics Forum
A forum for posting messages about math recreations. Hosted at Delphi.
forums.delphiforums.com
A forum for posting messages about math recreations. Hosted at Delphi.
forums.delphiforums.com
Fibonacci numbers and the Pascal triangle
The relation between Fibonacci numbers and Pascal's triangle. English/German/Serbian.
milan.milanovic.org
The relation between Fibonacci numbers and Pascal's triangle. English/German/Serbian.
milan.milanovic.org
Mathematical Quotation Server
Furman University Mathematical Quotation Server random or searchable math quotes.
math.furman.edu
Furman University Mathematical Quotation Server random or searchable math quotes.
math.furman.edu
Cryptarithms Online
70 brain-teasers; a Primer on Cryptarithmetic; books and links to alphametics on the Web.
www.geocities.com
70 brain-teasers; a Primer on Cryptarithmetic; books and links to alphametics on the Web.
www.geocities.com
Wade Edward Philpott
Profile and description of his mathematical games and puzzles.
www.gamepuzzles.com
Profile and description of his mathematical games and puzzles.
www.gamepuzzles.com
Number Recreations by Shyam Sunder Gupta
Features interesting facts about different numbers. Includes favorite related links.
www.shyamsundergupta.com
Features interesting facts about different numbers. Includes favorite related links.
www.shyamsundergupta.com
Fair Dice
Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.
www.mathpuzzle.com
Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.
www.mathpuzzle.com
Sir Roger Penrose
An article about him and his interests and contributions to recreational mathematics.
www.worldofescher.com
An article about him and his interests and contributions to recreational mathematics.
www.worldofescher.com
Critical Math
Articles and images on recreational math from fractals and magic squares to mathemorchids and Galois.
www.gwywyr.com
Articles and images on recreational math from fractals and magic squares to mathemorchids and Galois.
www.gwywyr.com
Recmath
Includes pages on magic squares and polyomino patterns and contains related java applets.
www3.sympatico.ca
Includes pages on magic squares and polyomino patterns and contains related java applets.
www3.sympatico.ca
Final Answers
Numerous facts including formulas, magic tricks, fallacies, recreations compiled by Dr. Gerald P. Michon.
home.att.net
Numerous facts including formulas, magic tricks, fallacies, recreations compiled by Dr. Gerald P. Michon.
home.att.net
MAA Library List in Recreational Mathematics
Book list split into categories. Includes title, author, publisher and date information about each book.
www.maa.org
Book list split into categories. Includes title, author, publisher and date information about each book.
www.maa.org
Fast Arithmetic Tips
Three categories: defensive know to check an answer, offensive fast mental calculations, and math magic.
www.cut-the-knot.org
Three categories: defensive know to check an answer, offensive fast mental calculations, and math magic.
www.cut-the-knot.org
Math 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.
mathforum.org
A contest that asks to write all integers from 1 to 100 using only the digits 2,0,0,1 and arithmetic operations.
mathforum.org
Gardner Index
Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American.
www.ms.uky.edu
Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American.
www.ms.uky.edu
Maze Classification and Algorithms
A short description of mazes and how to create them. Definition of different mazetypes and their algorithms.
www.astrolog.org
A short description of mazes and how to create them. Definition of different mazetypes and their algorithms.
www.astrolog.org
Amazing Spiro
An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving of completed image.
cgibin.erols.com
An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving of completed image.
cgibin.erols.com
On the Puzzles with Polyhedra and Numbers
This is an article on a set of didactical games edited by the Portuguese Mathematical Society (SPM). [PDF]
gfm.cii.fc.ul.pt
This is an article on a set of didactical games edited by the Portuguese Mathematical Society (SPM). [PDF]
gfm.cii.fc.ul.pt
Narcissistic Numbers
Those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves.
www.geocities.com
Those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves.
www.geocities.com
Spirocharts
A windows application that creates mathematically precise spirograph drawings; savable as images.
www.nehuenmultimedia.com.ar
A windows application that creates mathematically precise spirograph drawings; savable as images.
www.nehuenmultimedia.com.ar
Geometric Packing Problems
By Joseph Malkevitch: "Given one shape X how and when can one pack identical copies of this shape into another shape Y?"
www.york.cuny.edu
By Joseph Malkevitch: "Given one shape X how and when can one pack identical copies of this shape into another shape Y?"
www.york.cuny.edu
Eric'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.
www.ericweisstein.com
Book list from Eric Weisstein including titles, authors, publishers, prices, page count and some have links to Amazon.com.
www.ericweisstein.com
The Sound of Mathematics
Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files.
www.geocities.com
Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files.
www.geocities.com
The Aesthetics of Symmetry
A brief digression into how people perceive symmetrical patterns -what makes them boring, interesting, or overly intricate
home.earthlink.net
A brief digression into how people perceive symmetrical patterns -what makes them boring, interesting, or overly intricate
home.earthlink.net
Fun With Mathematics
Includes pages on the topics of primes, fibonacci numbers, PI computation, data encryption and links to calculator programs.
www.geocities.com
Includes pages on the topics of primes, fibonacci numbers, PI computation, data encryption and links to calculator programs.
www.geocities.com
Stunning Friends with Math Magic
A collection of card tricks, number guessing games, paper and glue magic, and other math exercises.
www.cut-the-knot.org
A collection of card tricks, number guessing games, paper and glue magic, and other math exercises.
www.cut-the-knot.org
Who Can Name the Bigger Number?
An essay by Scott Aaronson on the quest for ever-bigger numbers, from exponentials to Busy Beavers.
www.scottaaronson.com
An essay by Scott Aaronson on the quest for ever-bigger numbers, from exponentials to Busy Beavers.
www.scottaaronson.com
The 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.
www.ucalgary.ca
A special collection at the University of Calgary, including the archives of Martin Gardner. There is a searchable online index.
www.ucalgary.ca
MAT 007 I News
A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies.
www.math.toronto.edu
A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies.
www.math.toronto.edu
Math 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.
mathforum.org
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.
mathforum.org
Mathematical Quotation Server
A collection of mathematical quotations culled from many sources. You may conduct a keyword search through the quotation database.
math.furman.edu
A collection of mathematical quotations culled from many sources. You may conduct a keyword search through the quotation database.
math.furman.edu
Mathematik
Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory.
www.mathematik.com
Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory.
www.mathematik.com
One Metaphor Fits All
Explains Conway's audioactive decay that is generated by a particular kind of sequence. Includes illustrations and related resources.
www.btinternet.com
Explains Conway's audioactive decay that is generated by a particular kind of sequence. Includes illustrations and related resources.
www.btinternet.com
Recreational Mathematics Topics
By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics.
www.uwgb.edu
By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics.
www.uwgb.edu
Eureka
The annual journal of the Archimedeans, the mathematical society of the University of Cambridge. It regularly contains articles on recreational mathematics.
www.archim.org.uk
The annual journal of the Archimedeans, the mathematical society of the University of Cambridge. It regularly contains articles on recreational mathematics.
www.archim.org.uk
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.
mathmuse.sci.ibaraki.ac.jp
At Mathematics Museum (Japan) you would be surprised how interesting mathematics is. You will find exhibition rooms produced by Japanese researchers and educators.
mathmuse.sci.ibaraki.ac.jp
Jlpe'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.
www.geocities.com
Features original number recreations by the author, such as generalized perfect numbers, digital diversions, diophantine equations, didactic numbers, and number theory.
www.geocities.com
HAKMEM
A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program.
www.inwap.com
A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program.
www.inwap.com
Table 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).
www.alpertron.com.ar
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).
www.alpertron.com.ar
Roman 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.
www.novaroma.org
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.
www.novaroma.org
The 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).
finitegeometry.org
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).
finitegeometry.org
Mudd 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.
www.math.hmc.edu
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.
www.math.hmc.edu
Mathematical 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.
math.cofc.edu
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.
math.cofc.edu
Skytopia - Super Magnet
A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations.
www.skytopia.com
A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations.
www.skytopia.com
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.
www.geocities.com
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.
www.geocities.com
Mathematische 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.
www.mathematische-basteleien.de
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.
www.mathematische-basteleien.de
Mathematical 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.
www.apt.group.shef.ac.uk
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.
www.apt.group.shef.ac.uk
A 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.
finitegeometry.org
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.
finitegeometry.org
SimonSingh.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.
www.simonsingh.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.
www.simonsingh.net
