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- Puzzles(601)
Sites
- A+ Math--http://www.aplusmath.com/
Interactive math help for K-12 students with flashcards, Math Wordfind, Homework Helper and worksheets. - Aha! Puzzles--http://www.ahapuzzles.com
Puzzles, books, games and tests with designed by Lloyd King, author of "Test Your Creative Thinking". - AIMS Puzzle Corner--http://www.aimsedu.org/puzzle/
Provides over 100 puzzles with the goal of creating an engaging learning environment. - Algebraic Math Puzzles--http://www.lifesmith.com/mathpuz1.html
A collection of puzzles at high school level. Does not include answers. - Alien Tiles--http://www.alientiles.com/
Object of puzzle is to try to get color pieces to create certain patterns in cube. - Alphametic Puzzles--http://www.tkcs-collins.com/truman/alphamet/
Numerous puzzles, links, puzzle solver, and a generator. - Brain Teasers and Maths Puzzles--http://www.syvum.com/teasers/
Interactive logical and mathematical puzzles with feedback and detailed solutions. - Brain Teasers by QBrute--http://www.angelfire.com/empire/qbrute/
Original brain teasers with solutions. - Calculus-Help Problem of the Week Archive--http://www.calculus-help.com/problem.html
Calculus based problems range from easy to difficult. - Contest Center Cryptarithms--http://www.contestcen.com/rithms.htm
Examples of cryptarithms, with prize competitions for subscribers. - Creative puzzles--http://www.creatievepuzzels.com/
Interactive puzzle archive with descriptions for puzzle construction and a special children's puzzle page. - Dick's Math Puzzle Page--http://www.mod2.org/
A collection of mathematical puzzles, some original, with fully worked solutions. - Downloadable and online games--http://www.gameintellect.com/
A variety of Flash- and Java-based games and puzzles. - Free Puzzle Collections--http://www.freepuzzles.com/
Educational and recreational puzzles for teachers, students and parents. Each puzzle is graded by difficulty and has a hint. Solutions are available to members. - Group Games--http://www.dmi.units.it/~logar/duek2/index_engl.html
Animations that develop the theory behind such puzzles as the Rubik cube. - Interactive Mathematics Miscellany and Puzzles--http://www.cut-the-knot.org/
Java-based math resource including articles, puzzles and links. - Logicville--http://www.logicville.com/
Educational puzzles, brain teasers, and word games such as anagrams, cryptograms, alphametics, doublets, tangrams. - Magic Math Kingdom--http://www.nes-lab.com/english2/
Learn math through games and quiz-oriented tutorial. - Math Puzzles--http://www.math.utah.edu/~cherk/puzzles.html
Logic puzzles and riddles with some solutions. - MatheMajik--http://mathemajik.tripod.com/
Indian site featuring calculation tricks and math puzzles. - Mathematical Games--http://www.madras.fife.sch.uk/maths/games/
A collection of pencil and paper games with mathematical content. Many can be played through the site. - Mathematical Recreations--http://www.mathrec.org/
Detailed exploration of a selection of mathematical topics. - Mathpuzzle.com--http://mathpuzzle.com
Celebrates math puzzles and mathematical recreations. - Mathschallenge.net--http://mathschallenge.net/
A website dedicated to the puzzling world of mathematics, with a discussion forum. - Mathschallenge.net--http://mathschallenge.net/rss2.xml
A website dedicated to the puzzling world of mathematics. - Mathwizz--http://www.mathwizz.com/
Interactive math problems for abilities ranging from middle school to university. - Mixed Up Math--http://www.kprobe.com/kprobe/mu.htm
Logic problems, where equations are mixed up. In various formats like boxes, crosses, diagonals, mazes. Free download. - Nandor's Exhaustive Chemical Words Pages--http://www.wellington.org/nandor/chemwords/chemwords.htm
Lists all the English words, word squares, and magic squares that can be written using chemical symbols. - Nick's Mathematical Puzzles--http://www.qbyte.org/puzzles/
A collection of puzzles, with hints, solutions, and links to related mathematical topics. - Nick's Mathematical Puzzles--http://www.qbyte.org/puzzles/rss2.xml
A collection of puzzles, with hints, solutions, and links to related mathematical topics. - Paul Hsieh's Puzzles--http://www.azillionmonkeys.com/qed/puzzles.html
Logical and mathematical brain teasers, with an indication of difficulty. Hints are provided; solutions are available by email. - Perfect Times--http://www.perfect-times.co.uk/
Teaches and assesses fluency of multiplication and division tables using online cards. Submit data and compare results. - Polyhedra Links--http://britton.disted.camosun.bc.ca/jbpolyhedra.htm
Pastime and activity links for various geometric patterns, polygons and polyhedra by Jill Britton. - Puzzle of the Week Archives--http://ecg.mit.edu/george/puzzles/
A collection of puzzles, with hints and full solutions. Compiled by George Moody. - Pythabacus--http://www.pythabacus.com/
Description and instruction of using the ancient Pythagorean Abacus to do arithmetic. - Scott Kim--http://www.scottkim.com/
Puzzles for web, computers, and print; ambigrams. - Storkey: Two Envelope Paradox--http://homepages.inf.ed.ac.uk/amos/doubleswap.html
A tough but simply defined problem which demonstrates key issues in probability. - The Contest Center--http://www.contestcen.com/classic.htm
Classic puzzles and riddles requiring only simple logic and elementary math. - The Enigmatic World of Philip Carter--http://www.knowl.demon.co.uk/
Collection of brain teasers from the author of IQ books. - The Little Math Puzzle--http://www.sprucelog.com/lmp/
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. - The Puzzling World of Barry R. Clarke--http://barryispuzzled.com/
Brain teasers, articles and puzzles forum. - Torus and Klein Bottle Games--http://www.geometrygames.org/TorusGames/index.html
Collection of Java-based educational puzzles. - Wu's Riddles--http://www.ocf.berkeley.edu/~wwu/riddles/intro.shtml
A collection of riddles, puzzles, and technical interview questions, with a discussion forum.
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