- MASSIVE: Math And Science Song Information, Viewable Everywhere - Greg Crowther
A searchable database of over 1800 educational songs, including many about math. Part of the National Science Foundation's National Science Digital Library (NSDL).
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- Matematicas recreativas, Juegos, Logica, Ingenio, Matemáticos, Magia - Eduardo Ochoa
In Spanish, recreational mathematics puzzles: Matemáticas Recreativas, Juegos, Lógica, Ingenio, Matematicos, Cuentos, Acertijos, Magia.
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- Math-Art.net
A web gallery of mathematical art, including a blog. Math-Art.net features artworks, artists, and interviews. It covers many forms of mathematics, as long as there are artistic imagery involved (this means the usual Chaos Theory, geometry and the like).
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- Mathbun - Chaim Goodman-Strauss
Mathematical graphics, featuring many fractals and tessellations. The category of mathematical objects includes photographs of jigsaw puzzles and outdoor sculpture; "math fun," of Zome and tilings.
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- Math Craft - Cory Poole, administrator
A community "dedicated to the exploration of mathematically inspired art and architecture through projects, community submissions, and inspirational posts." Share images, videos, and other resources on the corkboard; post questions to the forum. The blog
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- Math Day - University of Nebraska-Lincoln
An annual "day of fast-paced mathematics" for high school students hosted by the University of Nebraska-Lincoln's Department of Mathematics since 1990. See multiple-choice and essay problems from the individual competition, named PROBE ("Problems Requiring
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- Mathematical/Abstract Games in Portuguese - Jorge Nuno Silva
A site devoted to mathematical games: find information about the games and their strategies, exchange them online, compete in contests such as the Campeonato Nacional de Jogos Matemáticos (CNJM), participate in discussion forums, and more. Games
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- Mathematical Fiction - Alex Kasman
Want a book or story for the students in your math class? Interested in what our society thinks about mathematicians? This site is dedicated to compiling and reviewing works of fiction that involve mathematics or mathematicians. Search the list of math
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- Mathematical Maelstrom - Chris Bolton, Pluto Puzzles
Cross-number puzzles that test the solver's mathematical and logical powers.
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- Mathematical Paintings of Crockett Johnson - David Crockett Johnson; Smithsonian National Museum of American History
David Crockett Johnson was perhaps most famous for his children's book Harold and the Purple Crayon. From 1965 until his death in 1975, Crockett Johnson painted over 100 works relating to mathematics and mathematical physics. Of these paintings, eighty
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- Mathematical Palette - Guillermo Bautista
A blog that "highlights the lighter side of mathematics.... photos, paintings, songs, poems, jokes, animations, graphics, games, and puzzles and the mathematics within and about them." Posts, which date back to February, 2012, have celebrated "mathematical
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- The Mathematicians
A gift shop selling t-shirts, sweatshirts, note cards, desk clocks, poster portraits, and greeting cards based on a visual portrait history of famous mathematicians that incorporates their key concepts. Based on a limited edition "The Mathematicians"
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- The Mathematician's Shirt - Collins, Julia; and Shepherd, Madeleine
A collaboration between mathematician Julia Collins and artist Madeleine Shepherd to "design and create a series of sculptures made out of shirts and representing different concepts in mathematics." With funding by the Art Science Collaborative (ASCUS),
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- Mathematics in Tens - Steve Mayer
Ten ... problems to make you think, facts about maths you may not know, good maths books, mathematicians, maths jokes, reasons to study maths, mathematical links, mathematics software programs, mathematical constants, mathematical formulae. Ten little-known
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- Math Help - Graeme McRae
Tips and techniques for math students from sixth grade through high school, and one-on-one help for math students in a variety of formats. Also includes math puzzles and jokes.
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- Math in the Movies - Arnold G. Reinhold
A guide to those motion pictures which include scenes of real mathematics. Each movie is linked to further information and rated, and the mathematical scene(s) involved are described. See also Letters to Math in the Movies.
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- Math - Mashable, Inc.
Topical news stories on math by an "independent online news site dedicated to covering digital culture, social media and technology." See also Mashable's category for the word "mathematics."
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- Math Models - Bathsheba Grossman
Using rapid prototyping to create her pieces, Grossman describes them as "3D meditations": metal sculptures, etched crystals, and prints of Menger sponges, Lorenz attractors, 4-dimensional solids projected into 3-space, and triply periodic minimal surfaces
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- Math Moments - David M. Schwartz
Stories and photographs of ways that parents use math with their children at home and on family outings, as blogged by the author of If You Made A Million, G is for Googol: A Math Alphabet Book, Q is for Quark: A Science Alphabet Book, a set of nature
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- The Math Mom - Maria Lando
A blog presenting math as cool, fun, non-intimidating and hip. Entertaining math of cooking, parenting, dating, travel and home ownership.
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- Math Munch - Justin Lanier
A weekly digest of "the mathematical Internet" that has featured "lots of cool mathy things" online since October, 2011. Blog posts have included "Mazes, Spirals, and Paper Folding"; "Pennies, Knights, and Origami Mazes"; "Turing, Nets, and More Yoshimoto";
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- Math Prize for Girls - Advantage Testing Foundation
The Advantage Testing Foundation (ATF) sponsors an annual math competition for high-school girls, the largest monetary math prize for girls in the world. ATGF's goal is "to encourage young women with exceptional potential to become the mathematical and
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- MathShirts.com - Travis Taylor
Edgier math shirts and products for sale, including shirts such as calculus baseball jerseys, logos such as "Diffy-Q's", slogans like "Mathematics is not a Crime", and more.
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- Maths is smART - Nicky Cleaver
Cleaver uses Matlab, Maple, and C++ to create dynamic images and videos which often exhibit some randomness, such as arbitrarily colored lines in pictures reminiscent of spirograph drawings. Posts, which date back to August, 2011, have included "Brownian
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- Maths Masters - Burkard Polster and Marty Ross
From the authors of a regular education column published in Melbourne's The Age newspaper: mathsnacks ("haiku-size packages of beautiful mathematics, with accompanying illustration"); a list of movie clips featuring mathematics; and other fun mathematical
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- The (Mock) Exchange - Sean Rasmussen
Most stock market simulators use real world stocks; as such, the virtual trader cannot affect the price of the shares. The (Mock) Exchange is a completely closed system, so a more realistic simulator; with each trade, you can potentially influence the
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- Moody's Mega Math Challenge - Society for Industrial and Applied Mathematics
A partnership of The Moody's Foundation and SIAM, the M3 Challenge spotlights applied mathematics as a powerful problem-solving tool, as a viable and exciting profession, and as a vital contributor to advances in an increasingly technical society. Open
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- The Music of the Primes - Marcus du Sautoy
An article on the Riemann Hypothesis, "the greatest unsolved problem of mathematics."
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- My Puzzle Note - Wen-Shan Kao
The 18 Pro-Tangram is an interesting and excellent puzzle game for the
purpose of education at school and of recreation at home. Players of
different ages can practice and enhance their concept of reflective or
rotational symmetry, and of the congruent
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- My Reckonings - Ron Doerfler
Doerfler's book Dead Reckonings: Calculating without Instruments "describes techniques of computation and approximation that can be used to rapidly and mentally calculate mathematical quantities." Other sections of the site discuss sundials; astrolabes
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- My Speed Cubing Page - Jessica Fridrich
"Intended for those of you who can already solve [Rubik's] cube in a few minutes and want to get really fast." Content includes "20 years of speed cubing (a short historical narrative)," "Finger shortcuts," "Move algorithms to your subconsciousness,"
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- Newton Papers - University of Cambridge
View and download Isaac Netwon's handwritten papers: his own annotated copy of Principia Mathematica; the so-called "Waste Book," a large notebook that he inherited from his stepfather, and which Newton filled with notes and calculations when forced to
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- NFL Stats & Research Articles - Roland Beech
In-depth statistical coverage and analysis of the National Football League (NFL). See player stats and ratings by position, and regular season team stats such as drive charts, play call by down, and red zone performance. "Classic" articles include correlation
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- Nikoli - Nikoli Co., Ltd.
From the Japanese magazine publishers that popularized sudoku puzzles: the nikoli.com site releases three or more problems every day -- more than 100 new problems a month. Step through tutorials and solve Flash puzzles of Slitherlink, Nurikabe, Heyawake,
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- NUMB3RS - CBS Broadcasting Inc.
NUMB3RS depicts how the confluence of police work and mathematics helps solve criminal questions. Watch video clips of actors Rob Morrow and David Krumholtz on the set, as well as trailers of the television show and previews of upcoming episodes.
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- Number Gossip - Tanya Khovanova
Searchable database up to the number 10,000. Checks more than 40 fun predefined properties of numbers, and shows many original and unique properties of an input number. See also this math coach's math blog, lectures, and more from her home page.
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- numbermaze - Mike Reilly & Jenks Norwalk
A Sudoku-like maze puzzle that uses the number pattern from a clock face, one through twelve. Link these numbers in either direction –- clockwise or counterclockwise -– through the maze to solve the puzzle. Read complete rules, path strategy, hints, and
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- Numberphile - Brady Haran
Playful primer videos "about numbers and stuff," typically less than ten minutes long. Watch mathematicians talk about Benford's Law, favourite numbers (in response to a poll conducted by Alex Bellos), spaghetti numbers, Curta calculator, vampire numbers,
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- Numberplay - The New York Times
Mathematical, logical and scientific puzzles, with solution "recaps." The posts, by Gary Antonick and Pradeep Mutalik, have included "Surreal Hat Tricks," "The Puzzles of Pickover," "Prime Rib at Hogwarts," "Nim for (a) Change," "Phi - The Magic and the
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- Number Recreations - Shyam Sunder Gupta
Recreational aspects of number theory, prime numbers, and the like. Currently includes rare numbers, EPORNS (Equal Product Of Reversible Numbers), unique numbers, unlucky 13, fascinating squares, curious properties of 153, and amicable numbers (including
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- NumberSpiral.com - Robert Sacks
Instructions, observations, formulas, and a glossary about number spirals, formed by writing the non-negative integers on a ribbon, rolling it up with zero at the center, and arranging the spiral so all the perfect squares line up in a row on the right
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- Numeric Tests Solver - The IQ Challenge
Enter an integer sequence, and this program attempts to determine the next number in the sequence. It
is based on artificial intelligence algorithms.
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- n-Uniform Tilings - Brian Galebach
Illustrates the edge-to-edge tilings of regular polygons having n transitivity classes of vertices for 1<=n<=6. Prior to my doing so, no enumeration had ever been completed of the n-uniform tilings for any n>3.
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- Odd Day - Ron Gordon
Mathematical observations, original musings, news coverage, and cartoons in celebration of January 3, 2005 (1/3/5), July 9, 2011 (7/9/11), and other times when three consecutive odd numbers make up the date. Gordon, retired from teaching high school in
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- Oliver Knill
Research, teaching, and media by this preceptor in Harvard's math department. Knill began in dynamical systems, tackling first ergodic and spectral theoretical questions, then probability theory and elementary number theory. This led to his "passion for
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- Optical Illusions (SandlotScience.com) - SandlotScience
Interactive explorations of optical effects, illusions, distortions, animations, artwork, stories, PDF projects, games, and more. Impossible objects include columns, an endless staircase and animated stairs, Java triangle models, an interlaced tri-bar,
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- Paperforms: Polyhedrons for the Masses - John T. Vonachen
Geometric paper sculptures offered for sale.
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- Pasta by Design - George L. Legendre
Photos of architect Legendre's 2011 book by the same title. Pasta by Design provides an illustrated taxonomy of over 90 forms of pasta, along with the mathematical formulae, descriptions of special attributes, and advice on specific cooking uses for each
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- Pentomino - K.S.O. Glorieux Ronse, Belgium
An introduction to polyominoes, with a site-wide focus on pentominoes. The site features puzzles and contests, as well as galleries of pentomino constructions and problems, such as how to form letters of the alphabet and silhouettes of zoo animals. Available
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- Pentomino puzzles - Mike Frost
Rotate pentominoes to tile an 8×8 grid. This JavaScript-powered online puzzle lets you select from a variety of decorative patterns and graphic designs.
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