American Regions Mathematics League

This is an AoPSWiki Word of the Week for June 6-12

The American Regions Math League (ARML) is a mathematical problem solving competition primarily for U.S. high school students.

Region: USA
Type: Free Response
Difficulty: 3.5-6
Difficulty Breakdown:

Individual: 4 (Problem 6/8), 6 (Problem 10)
Team: 3.5 (Problem 1-5), 5 (Problem 6-10)

How to participate

Find out if your area has a team already. Contact ARML for details. If your area does not already have a team, ask ARML how to start one.

See the How to join an ARML team wiki page for more info. Teams have 15 students.


ARML was started in 1976 as a mathematics competition


The ARML has several different events:

  • A team round, in which the entire team works on ten problems together
  • A power round, where the questions are proof-oriented and are in a theme
  • An individual round, where each individual takes a ten question test
  • Two relay rounds, where the answer to one problem is necessary to solve the next problem
  • A super relay, a relay round where each team submits one answer



There are four books of past ARML problems, though some of them are out of print and/or hard to find.

See also