Sites:
| American Mathematics Competitions: Organization that administers the AMC, the AIME, and the USAMO, with information about the contests, math problem archives, recommended reading lists, and other resources for students interested in mathematics. | | Australian Mathematics Trust: Sponsors a number of competitions in the Australian continent. | | Crux Mathematicorum with Mathematical Mayhem: Problem-solving journal at the senior secondary and university undergraduate levels. | | Math Competitions in USA: Sample problems, information and links from multiple contests. | | Mathematics Archives: links to contests, problem sets, journals sites. | | Putnam Exam Information: Results from the Putnam competition, old exams, and problem archives. Includes problem of the day, selected from over 540 different Putnam, National or International Olympiad problems. | | Valentin Vornicu's MathLinks: Math Olympiad Problem Solving site with a weekly contest, resembling IMO in difficulty, with a large math forum and downloadable materials. |
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