Online-Competitions.com

Online Math Madness
Browser based mathematics competition for students to gain problem solving experience.
www.virtu-software.com/

Crazy for Math Online Contest
An annual online contest for children to share ideas on how they use math in activities with their families.
crazy4math.com/

ABACUS International Math Challenge
Monthly contest available in 3 age groups from 3rd grade to 8th grade.
www.gcschool.org/

USA Mathematical Talent Search (USAMTS)
A free mathematics competition available to all high school students in the United States. Interested participants may enter the competition at any time of the academic year.
www.usamts.org/

Online Gaming League
Online ladders and leagues, including a variety of Q2 game types. Forums, ladder listings, membership information.
www.ogl.org/

International Space Visualization Olympiad
Competition in visualization - solve a labyrinth on the surface of different polyhedron.
olympiad.fe.uni-lj.si/

Paper Challeran
A point-based puzzle contest available worldwide. Encourages arithmetic and strategy skills.
www5.ocn.ne.jp/

International Mathematics Tournament of Towns
Problem solving competition in which towns throughout the world can participate.
www.amt.canberra.edu.au/

MATHmodels
A online team competition where students compete to solve real-life problems using mathematical modeling.
www.mathmodels.org/

International Mathematical Talent Search
A free competitive year-round correspondence program in creative mathematical problem solving at the secondary school level. Open to students in every country.
www.cms.math.ca/