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- Arts: Crafts: Origami: Geometry and Modulars (13)
- Games: Puzzles (680)
- Recreation: Humor: Science: Mathematics (26)
- Science: Math: Chaos and Fractals: Fractal Art (129)
- Science: Math: Geometry: Sculpture and Art (15)
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- Famous Curves Index
- Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.
- The Aesthetics of Symmetry
A brief digression into how people perceive symmetrical patterns -- what makes them boring, interesting, or overly intricate - Amazing Spiro
An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving of completed image. - Back to Square One
Includes description, solutions and other resources on this cube-like puzzle. - Critical Math
Articles and images on recreational math from fractals and magic squares to mathemorchids and Galois. - Cryptarithms Online
70 brain-teasers; a Primer on Cryptarithmetic; books and links to alphametics on the Web. - CuriousMath
Include news, math tricks, methods, facts, trivia, mostly posted by users. - David Singmaster: List of Available Material
Teaching and recreational items in this personal collection. - 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). - 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. - 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. - 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. - Eureka
The annual journal of the Archimedeans, the mathematical society of the University of Cambridge. It regularly contains articles on recreational mathematics. - Fair Dice
Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures. - Famous Curves
Visual animations of famous curves. - Fast Arithmetic Tips
Three categories: defensive - know to check an answer, offensive - fast mental calculations, and math magic. - Fibonacci numbers and the Pascal triangle
The relation between Fibonacci numbers and Pascal's triangle. English/German/Serbian. - Final Answers
Numerous facts including formulas, magic tricks, fallacies, recreations compiled by Dr. Gerald P. Michon. - Fun With Mathematics
Includes pages on the topics of primes, fibonacci numbers, PI computation, data encryption and links to calculator programs. - Gardner Index
Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American. - 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?" target="_blank" - HAKMEM
A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program. - How To Manually Find A Square Root
The way to do find a square root without a calculator. - Iamond
A page on polyiamond puzzles. Includes many pages on tessellation. - 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. - Look and Say Sequence Generator
Creates a special kind of summation formula created by John Conway. - MAA Library List in Recreational Mathematics
Book list split into categories. Includes title, author, publisher and date information about each book. - MAT 007 I News
A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies. - 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. - 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. - Math Forum: Algebra Problem of the Week
View this week's algebra problem or those of previous weeks. - Math in the Movies
A guide to major motion pictures with scenes of real mathematics. - Math Magic By Computer
Interactive java puzzles and activities in different mathematical topics. - 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. - Mathematical Induction
A page of uncommon problems, most closely connected with number theory. - Mathematical Lego Sculptures
Designed and built by Andrew Lipson. Images and LDraw files. - Mathematical Problems - Problem Solving
Mathematics Hots (Problems) by Bruno Kevius - Mathematical Quotation Server
Furman University Mathematical Quotation Server - random or searchable math quotes. - Mathematical Quotation Server
A collection of mathematical quotations culled from many sources. You may conduct a keyword search through the quotation database. - 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. - 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. - Mathematics in Art and Architecture
An interdisciplinary course on mathematics in art and architecture. - 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. - Mathematik
Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory. - 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. - Mathmos
Includes puzzles, jokes, quotations, poetry, and FAQs. - Maze Classification and Algorithms
A short description of mazes and how to create them. Definition of different mazetypes and their algorithms. - 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" target="_blank" feature. Based at Harvey Mudd College. - Narcissistic Numbers
Those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves. - The Nine Digits Page
Puzzles and problems connected with numbers using the digits 1-9. - Number Recreations by Shyam Sunder Gupta
Features interesting facts about different numbers. Includes favorite related links. - 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] - One Metaphor Fits All
Explains Conway's audioactive decay that is generated by a particular kind of sequence. Includes illustrations and related resources. - Origami Mathematics
Information on the mathematics of paper folding. - Properties of Dice
Polyhedral dice and their properties. - Recmath
Includes pages on magic squares and polyomino patterns and contains related java applets. - Recreational Mathematics
Links collected at CAMEL, the Canadian Mathematical Society website. - Recreational Mathematics (David Eppstein)
An extensive list of web resources for recreational math. - Recreational Mathematics Forum
A forum for posting messages about math recreations. Hosted at Delphi. - Recreational Mathematics Topics
By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics. - 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. - Rubik's Cube Lecture Notes
Notes on the mathematics of the Rubik's cube. - 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. - Sir Roger Penrose
An article about him and his interests and contributions to recreational mathematics. - Skytopia - Super Magnet
A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations. - The Sound of Mathematics
Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files. - Spirocharts
A windows application that creates mathematically precise spirograph drawings; savable as images. - Sportlab
Combines high school and college math topics into sports applications. - Stunning Friends with Math Magic
A collection of card tricks, number guessing games, paper and glue magic, and other math exercises. - 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). - Wade Edward Philpott
Profile and description of his mathematical games and puzzles. - 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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