 |
15 Puzzle of Sam Lloyd -
Play online Sam Lloyd's "15" puzzle. The funny story and mathematical implications of this game. Some funny logical problems with the 15 game.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
A Primer on Cryptarithmetic -
Instructions, examples, references and links.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
A+ Math -
Interactive math help for K-12 students with flashcards, Math Wordfind, Homework Helper and worksheets.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Aha! Puzzles -
Puzzles, books, games and tests with designed by Lloyd King, author of "Test Your Creative Thinking".
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
AIMS Puzzle Corner -
Provides over 100 puzzles with the goal of creating an engaging learning environment.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Algebraic Math Puzzles -
A collection of puzzles at high school level. Does not include answers.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Alien Tiles - http://www.alientiles.com/
Object of puzzle is to try to get color pieces to create certain patterns in cube.
Status Code: 200 - Location: http://www.alientiles.com/index.html Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Alphametic Puzzles - http://www.alientiles.com/
Numerous puzzles, links, puzzle solver, and a generator.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Alphametics Page - http://www.alientiles.com/
Compiled by Mike Keith. Examples of various genres.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Ben Robinson's Cross-Number Puzzles - http://www.alientiles.com/
A collection of cross-number puzzles: similar to crosswords, but using digits instead of letters. Many involve complex mathematical reasoning.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Brain Teasers and Maths Puzzles - http://www.alientiles.com/
Interactive logical and mathematical puzzles with feedback and detailed solutions.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Brain Teasers by QBrute - http://www.alientiles.com/
Original brain teasers with solutions.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Calculus-Help Problem of the Week Archive - http://www.alientiles.com/
Calculus based problems range from easy to difficult.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Colorful Mathematics - http://www.math.ucalgary.ca/~laf/colorful/colorful.html
Educational software presents advanced mathematics to K-12 students in a game-oriented approach, using coloring and drawing techniques to illustrate concepts from graph theory and computer science.
Status Code: 301 - Location: http://math.ucalgary.ca/~laf/colorful/colorful.html Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Contest Center Cryptarithms - http://www.math.ucalgary.ca/~laf/colorful/colorful.html
Examples of cryptarithms, with prize competitions for subscribers.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Creative puzzles - http://www.math.ucalgary.ca/~laf/colorful/colorful.html
Interactive puzzle archive with descriptions for puzzle construction and a special children's puzzle page.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Dick's Math Puzzle Page - http://www.math.ucalgary.ca/~laf/colorful/colorful.html
A collection of mathematical puzzles, some original, with fully worked solutions.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Downloadable and online games - http://www.math.ucalgary.ca/~laf/colorful/colorful.html
A variety of Flash- and Java-based games and puzzles.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Free Puzzle Collections - http://www.math.ucalgary.ca/~laf/colorful/colorful.html
Educational and recreational puzzles for teachers, students and parents. Each puzzle is graded by difficulty and has a hint. Solutions are available to members.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Group Games - http://www.math.ucalgary.ca/~laf/colorful/colorful.html
Animations that develop the theory behind such puzzles as the Rubik cube.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Interactive Mathematics Miscellany and Puzzles - http://www.cut-the-knot.org/
Java-based math resource including articles, puzzles and links.
Status Code: 301 - Location: http://www.cut-the-knot.org/index.shtml Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Logic Puzzles - http://www.cut-the-knot.org/
Collection of original numerical-logic puzzles. Many are long and difficult, involve sorting and comparing long lists and are intended to be solved using a good spreadsheet program.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Logicville - http://www.cut-the-knot.org/
Educational puzzles, brain teasers, and word games such as anagrams, cryptograms, alphametics, doublets, tangrams.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Magic Math Kingdom - http://www.cut-the-knot.org/
Learn math through games and quiz-oriented tutorial.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Math Puzzles - http://www.cut-the-knot.org/
Logic puzzles and riddles with some solutions.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
MatheMagic - http://www.cut-the-knot.org/
A collection of mathematical puzzles, jokes and articles.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
MatheMajik - http://www.cut-the-knot.org/
Indian site featuring calculation tricks and math puzzles.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Mathematical Games - http://www.cut-the-knot.org/
A collection of pencil and paper games with mathematical content. Many can be played through the site.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Mathematical Recreations - http://www.cut-the-knot.org/
Detailed exploration of a selection of mathematical topics.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Mathproblems.info - http://www.cut-the-knot.org/
Over one hundred and fifty math problems ranging from basic math to differential equations.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Mathpuzzle.com - http://www.cut-the-knot.org/
Celebrates math puzzles and mathematical recreations.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Mathschallenge.net - http://www.cut-the-knot.org/
A website dedicated to the puzzling world of mathematics, with a discussion forum.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Mathwizz - http://www.mathwizz.com/
Interactive math problems for abilities ranging from middle school to university.
Status Code: 200 - Location: http://www.mathwizz.com/Default.htm Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Mixed Up Math - http://www.mathwizz.com/
Logic problems, where equations are mixed up. In various formats like boxes, crosses, diagonals, mazes. Free download.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Mr Titen's More Than Math - http://www.mathwizz.com/
Mathematics teacher provides puzzles for students.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Nandor's Exhaustive Chemical Words Pages - http://www.mathwizz.com/
Lists all the English words, word squares, and magic squares that can be written using chemical symbols.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Nick's Mathematical Puzzles - http://www.mathwizz.com/
A collection of puzzles, with hints, solutions, and links to related mathematical topics.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Paul Hsieh's Puzzles - http://www.mathwizz.com/
Logical and mathematical brain teasers, with an indication of difficulty. Hints are provided; solutions are available by email.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Perfect Times - http://www.mathwizz.com/
Teaches and assesses fluency of multiplication and division tables using online cards. Submit data and compare results.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Polyhedra Links - http://www.mathwizz.com/
Pastime and activity links for various geometric patterns, polygons and polyhedra by Jill Britton.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Polymorf - Symmetry of Polyhedra - http://www.mathwizz.com/
A demonstration of the symmetry and transformational properties of the Platonic and Archimedean solids.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Puzzle of the Week Archives - http://www.mathwizz.com/
A collection of puzzles, with hints and full solutions. Compiled by George Moody.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Pythabacus - http://www.mathwizz.com/
Description and instruction of using the ancient Pythagorean Abacus to do arithmetic.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Scott Kim - http://www.mathwizz.com/
Puzzles for web, computers, and print; ambigrams.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Storkey: Two Envelope Paradox - http://www.mathwizz.com/
A tough but simply defined problem which demonstrates key issues in probability.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
The Contest Center - http://www.mathwizz.com/
Classic puzzles and riddles requiring only simple logic and elementary math.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
The Enigmatic World of Philip Carter - http://www.mathwizz.com/
Collection of brain teasers from the author of IQ books.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
The Little Math Puzzle - http://www.mathwizz.com/
The Little Math Puzzle has been a K-12 Internet activity since 1995 for grades 5-9. Currently the puzzles have ceased but the site maintains complete archives of past problems.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
The Puzzling World of Barry R. Clarke - http://www.mathwizz.com/
Brain teasers, articles and puzzles forum.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Torus and Klein Bottle Games - http://www.geometrygames.org/TorusGames/index.html
Collection of Java-based educational puzzles.
Status Code: 200 - Location: index.html.en Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
 |
Wu's Riddles - http://www.geometrygames.org/TorusGames/index.html
A collection of riddles, puzzles, and technical interview questions, with a discussion forum.
Status Code: 200 Edit listing [dmoz.org] - Report dead link [dmoz.org] - Edit Category [dmoz.org] |
