Directory of Mathematical Resources

Included in this category are brain teasers and puzzles that are mathematical, or require the usage of logic to solve them.

Subcategories

CellFighter

http://www.cellfighter.com/conways-life-download.html
Shareware game based around an extension of the game of life.
IBM Research: Ponder This

https://www.research.ibm.com/haifa/ponderthis/
Monthly logic and math puzzles set by IBM researchers with solutions.
Mathematical Puzzles

http://www.mathematical-puzzles.com/
Number puzzles with various levels of difficulty and solutions. Includes printable versions.
Monty Hall Game

http://montyhallgame.shawnolson.net/
JavaScript example of the Monty Hall Game. This game demonstrates the real (empirical) affect of statistics. [Does not display correctly in all browsers.]
Perplexus

http://perplexus.info/
A forum and collection of brain teasers, logic problems, math problems, paradoxes, science games, probability, riddles, and geometric shapes. The puzzles are searchable and categorized, most have solutions.
The Monty Hall Problem

http://www.remote.org/frederik/projects/ziege/
A probability theory puzzle with solutions. [English and German.]
Two Envelope Paradox - Solution

http://homepages.inf.ed.ac.uk/amos/doubleswapsoln.html
Claims that the two envelope paradox comes from the incorrect use of probabilities.
WU Forums

http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=riddles_hard
Discussion board hosted at Berkeley with talk about a variety of solved and unsolved brain teasers.

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