Recreations
- 241
- IMO 2006
- 47th International Mathematical Olympiad, July 6-18, Ljubljana, Slovenia. Page includes program, regulations and travel arrangements.
- 242
- IMO and Other Competitions
- Past International Mathematical Olympiads and links to web sites related to various regional and national math competitions
- 243
- International Math Competition for University Students
- Information on past and future competitions, contest results and problems. 11th meeting: Skopje, Macedonia; 23--29 July 2004.
- 244
- Math Olympiad for Elementary Schools
- Contest open to all students grade 8 to 4. Offers resources for students and school mathematics clubs.
- 245
- Math Team Canada at the International Mathematical Olympiad
- Information on past and future competitions, competing countries, exam problems and related materials.
- 246
- Mental Calculation World Cup
- Details of this international competition, and results from previous years.
- 247
- Vojtěch Jarník International Mathematical Competition
- Held at the University of Ostrava every year in March or April, open to university students. Contest rules, results, and past problems and solutions.
- 248
- William Lowell Putnam Competition
- An annual college math contest administered by The Mathematical Association of America.
- 249
- American Regions Math League (ARML)
- Results and past problems for the ARML, an annual national competition.
- 250
- Asian Pacific Mathematics Olympiad
- Competition regulations, past results, awards, and APMO Test Papers from 1989 to present.
- 252
- Balkan Mathematical Olympiad
- Mathematical contest for school pupils from the countries situated in the Balkan region.
- 254
- Bulgarian Competitions in Mathematics and Informatics
- Introduction to the major national competitions in Bulgaria. Features comprehensive sets of past contest problems.
- 255
- Canadian Mathematics Competition
- Organization that sponsors the Canadian Open Mathematics Challenge, the Euclid Contest, the Gauss Contest, with online workshop, problem archives, and other resources for students.