## Math Contests

Part of site Wild About Math! Copyright by Andrei Luca.

## Puzzles

Barcodes Inc Math and Logic Puzzles

A variety and many links to math and logic puzzles. Categories include: Puzzles for everyone; Puzzles for Kids and forTeenagers; Puzzles for Mathematiciansand Logicians. Site created and maintained by Barcodes Inc.

Brain Teasers: Syvum

This web page index on Syvum contains FREE online brain teasers and math puzzles at three levels of difficulty - Easy, Medium and Challenging. All the brain teasers and math puzzles are interactive.

CIMT Puzzles

Puzzle Pages from Center for Innovation in Mathematics Teaching.

Curious and Useful Math

Tricks and rules for quickly calculating certain types of math problems. There are also some entertaining trivia and math facts.

Erich´s Puzzle Palace

Puzzles related to mirrors, numbers, hex-loops, weights, battleship, triangles, cris-crosses, grids, and more. Solutions provided

Fundamentals Problem of the Week - Math Forum

Weekly problems intended for elementary school students grades 3-6 (ages 8-12), but may also be appropriate for students in other grades

Interactive Mathematics Miscellany and Puzzles: Games and Puzzles

Many mathematical games and puzzles. Part of a larger site of "Interactive Mathematics" Mancala

Mancala is a strategy game. Gather more beads than your opponent. This is a site maintained by Neil Rashbrook Org. Requires Java Platform download.

Math Counts Problem of the Week Archive

Archive of problems of the week for each year since 2012.

Math World Unsolved Math Problems

An "evolving collection" of little-known, unsolved mathematics problems compiled by Steven Finch, Research and Development Team, MathSoft, Inc.

MATHguide Puzzles

Links to a variety of math puzzles including Swarthmore´s Problem-of-the-Week, MathCounts Organization, Period.com´s Puzzles, Car Talk´s Puzzler, Bradley University´s Problem of the Week, Quantum Brainteasers, and Puzzle Contests.

Mindbenders

13 puzzles re-printed (with permission) from the book MINDBENDERS by Robert Eastaway and David Wells." Answers are included.

Monthly Problems - NRICH Maths, Univ. of Cambridge

There are hundreds of problems and solutions here grouped by the month when they were first published

Nick´s Mathematical Puzzles

The puzzles presented here are selected for the deceptive simplicity of their statement, or the elegance of their solution.

Rubik Cube History & Illustration

Historical recounting of solving every position of the Rubik Cube. Site was created by the joint efforts of Tomas Rokicki, a programmer from Palo Alto, California, Herbert Kociemba, a math teacher from Darmstadt, Germany, Morley Davidson, a mathematician from Kent State University, and John Dethridge, an engineer at Google in Mountain View

Set Daily Puzzle

The object of the game is to identify the 6 ´Sets´, of three cards each, from 12 cards laid out on the screen.

SMSU Problem Corner

Southwest Missouri State University Math Problem Corner. Page is divided into three levels of problems: High School, Advanced, Challenge.

Towers of Hanoi

Demonstration (with mathematics) of solution to Towers of Hanoi. Copyright © 1996-2004 Alexander Bogomolny.

Wari

Board game of strategy with origins in Africa. Download the game provided that you do not try to sell it to anyone. .