Combinatorial Games 13 For Kids 28 Games and Puzzles 64 Magic Square 43
Ambigrams 12 Flexagons 3 Polyominoes 77 Specific Numbers 166 Tessellations 43
Competitions 111 Conway's Game of Life 25 Famous Problems 25
 
Geometry and Modulars  Origami, Paper, Crafts, Arts 10
Puzzles  Games 617
Mathematics  Science, Humor, Recreation 24
Fractal Art  Chaos and Fractals, Math, Science 115
Sculpture and Art  Geometry, Math, Science 15
Famous Curves IndexFamous Curves Index
Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.

The Aesthetics of SymmetryThe Aesthetics of Symmetry
A brief digression into how people perceive symmetrical patterns  what makes them boring, interesting, or overly intricate

Amazing SpiroAmazing Spiro
An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving of completed image.

Back to Square OneBack to Square One
Includes description, solutions and other resources on this cubelike puzzle.

Cryptarithms OnlineCryptarithms Online
A large collection of cryptarithms and alphametics, including cryptarithms from the journal Sphinx, a Primer on Cryptarithmetic, books, and links to other collections of alphametics on the Web.

CuriousMathCuriousMath
Include news, math tricks, methods, facts, trivia, mostly posted by users.

David Singmaster: List of Available MaterialDavid Singmaster: List of Available Material
Teaching and recreational items in this personal collection.

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).

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.

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.

EurekaEureka
The annual journal of the Archimedeans, the mathematical society of the University of Cambridge. It regularly contains articles on recreational mathematics.

Fair DiceFair Dice
Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.

Famous CurvesFamous Curves
Visual animations of famous curves.

Fast Arithmetic TipsFast Arithmetic Tips
Three categories: defensive  know to check an answer, offensive  fast mental calculations, and math magic.

Fibonacci Numbers and the Pascal TriangleFibonacci Numbers and the Pascal Triangle
The relation between Fibonacci numbers and Pascal's triangle. English/German/Serbian.

Final AnswersFinal Answers
Numerous facts including formulas, magic tricks, fallacies and recreations compiled by Dr. Gerard P. Michon.

Fun With MathematicsFun With Mathematics
Harry J. Smith provides pages on the topics of primes, fibonacci numbers, PI computation, data encryption and many other puzzles, and links to calculator programs.

Gardner IndexGardner Index
Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American.

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?"

HAKMEMHAKMEM
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 RootHow to Manually Find a Square Root
Provides a method of finding a square root without the use of a calculator.

IamondIamond
A page on polyiamond puzzles. Includes many pages on tessellation.

Look and Say Sequence GeneratorLook and Say Sequence Generator
Creates a special kind of summation formula created by John Conway.

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.

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.

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.

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.

Math Forum: Algebra Problem of the WeekMath Forum: Algebra Problem of the Week
View this week's algebra problem or those of previous weeks.

Math in the MoviesMath in the Movies
A guide to major motion pictures with scenes of real mathematics.

Math Magic By ComputerMath Magic By Computer
Interactive java puzzles and activities in different mathematical topics.

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.

Mathematical InductionMathematical Induction
A page of uncommon problems, most closely connected with number theory.

Mathematical Lego SculpturesMathematical Lego Sculptures
Designed and built by Andrew Lipson. Images and LDraw files.

Mathematical Problems  Problem SolvingMathematical Problems  Problem Solving
Mathematics Hots (Problems) by Bruno Kevius

Mathematical Quotation ServerMathematical Quotation Server
A collection of mathematical quotations culled from many sources. You may conduct a keyword search through the quotation database.

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.

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.

Mathematics in Art and ArchitectureMathematics in Art and Architecture
An interdisciplinary course on mathematics in art and architecture.

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.

MathematikMathematik
Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory.

Mathematische BasteleienMathematische Basteleien
Topics include Flexagon, Soma Cube, Pentominos, Cubeit, Rubik's Cube, Froebel's Star, Tangram, House of Santa Claus, Chronogram, Numeric Palindromes, Latticework of Letters. English/German.

MathematrixMathematrix
Have fun with geometric shapes, fractals, math games, art, humor, quotes, and important constants.

MathmosMathmos
Includes puzzles, jokes, quotations, poetry, and FAQs.

Maze Classification and AlgorithmsMaze Classification and Algorithms
A short description of mazes and how to create them. Definition of different mazetypes and their algorithms.

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.

The Nine Digits PageThe Nine Digits Page
Puzzles and problems connected with numbers using the digits 19.

Number Recreations by Shyam Sunder GuptaNumber Recreations by Shyam Sunder Gupta
Features interesting facts about different numbers. Includes favorite related links.

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]

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.

Origami MathematicsOrigami Mathematics
Information on the mathematics of paper folding.

Pretty Wild Narcissistic NumbersPretty Wild Narcissistic Numbers
Dr Colin Rose provides some examples of numbers that are representable by mathematically manipulating the digits of the numbers themselves.

RecmathRecmath
Includes pages on magic squares and polyomino patterns and contains related java applets.

Recreational MathematicsRecreational Mathematics
Links collected at CAMEL, the Canadian Mathematical Society website.

Recreational Mathematics (David Eppstein)Recreational Mathematics (David Eppstein)
An extensive list of web resources for recreational math.

Recreational Mathematics ForumRecreational Mathematics Forum
A forum for posting messages about math recreations. Hosted at Delphi.

Recreational Mathematics TopicsRecreational Mathematics Topics
By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics.

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.

Rubik's Cube Lecture NotesRubik's Cube Lecture Notes
Notes on the mathematics of the Rubik's cube.

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.

Sir Roger PenroseSir Roger Penrose
An article about him and his interests and contributions to recreational mathematics.

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.

The Sound of MathematicsThe Sound of Mathematics
Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files.

SpirochartsSpirocharts
A windows application that creates mathematically precise spirograph drawings; savable as images.

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.

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).

Wade Edward PhilpottWade Edward Philpott
Profile and description of his mathematical games and puzzles.

Which Numbers Produce Carousel Numbers?Which Numbers Produce Carousel Numbers?
High school research project.

Who Can Name the Bigger Number?Who Can Name the Bigger Number?
An essay by Scott Aaronson on the quest for everbigger numbers, from exponentials to Busy Beavers.

