| 1. | A+ Math | | | Interactive math help for K-12 students with flashcards, Math Wordfind, Homework Helper and worksheets.
www.aplusmath.com |
| 2. | Colorful Mathematics | | | 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.
www.math.ucalgary.ca |
| 3. | Pythabacus | | | Description and instruction of using the ancient Pythagorean Abacus to do arithmetic.
www.pythabacus.com |
| 4. | Mathwizz | | | Interactive math problems for abilities ranging from middle school to university.
www.mathwizz.com |
| 5. | Archive Creative puzzles | | | Interactive puzzle archive with descriptions for puzzle construction and a special childrens puzzle page.
www.creativepuzzels.nl |
| 6. | Mathschallenge.net | | | A website dedicated to the puzzling world of mathematics and computer programming.
mathschallenge.net |
| 7. | Math Forum | | | Resources, problems and forum for teachers and students in mathematics.
mathforum.org |
| 9. | Logicville | | | Educational puzzles, brain teasers, and word games such as anagrams, cryptograms, alphametics, doublets, tangrams.
www.logicville.com |
| 10. | MatheMajik | | | Indian site featuring calculation tricks and math puzzles.
mathemajik.tripod.com |
| 14. | Tile Tris | | | Tile a spheroid working room aperiodically or periodically. Includes free demo download.
members.lycos.co.uk |
| 18. | Perfect Times | | | Teaches and assesses fluency of multiplication and division tables using online cards. Submit data and compare results.
www.perfect-times.co.uk |
| 19. | Mixed Up Math | | | Logic problems, where equations are mixed up. In various formats like boxes, crosses, diagonals, mazes. Free download.
www.kprobe.com |
| 20. | The Null Set | | | Puzzles collected by Guy Kindler, most requiring some undergraduate mathematical knowledge. Some hints are provided.
www.princeton.edu |
| 21. | Wu's Riddles | | | A collection of riddles, puzzles, and technical interview questions, with a discussion forum.
www.ocf.berkeley.edu |
| 24. | Paul Hsieh's Puzzles | | | Logical and mathematical brain teasers, with an indication of difficulty. Hints are provided; solutions are available by email.
www.azillionmonkeys.com |
| 25. | The Contest Center | | | Classic puzzles and riddles requiring only simple logic and elementary math.
www.contestcen.com |
| 26. | 15 Puzzle of Sam Lloyd | | | puzzle The funny story of this game Mathematical implications of this game Some funny logical problems with the 15 game.
www.holotronix.com |
| 28. | SMSU Problem Corner | | | Math challenges Southwest Missouri State University in three levels of difficulties.
math.smsu.edu |
| 29. | Math Puzzles | | | Logic puzzles and riddles with some solutions.
www.math.utah.edu |
| 30. | Alien Tiles | | | Object of puzzle is to try to get color pieces to create certain patterns in cube.
www.alientiles.com |
| 31. | Alphametic Puzzles | | | Nmerous puzzles, links, puzzle solver, and a generator.
www.tkcs-collins.com |
| 32. | Scott Kim | | | Puzzles for web, computers, and print; ambigrams.
www.scottkim.com |
| 36. | Alphametics and Cryptarithms | | | Puzzles in which letters or symbols are substituted for the digits in an arithmetical operation like addition.
www.mathematik.uni-bielefeld.de |
| 37. | Alphametics Page | | | Compiled by Mike Keith. Examples of various genres.
members.aol.com |
| 40. | Mathpuzzle.com | | | Celebrates math puzzles and mathematical recreations.
www.mathpuzzle.com |
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