AMC 8

25 questions, 40 minutes

students in 8th grade and below

middle school math topics: counting and probability, estimation, proportional reasoning, elementary geometry (including Pythagorean Theorem), spatial visualization, and interpreting graphs and tables

may touch on beginning algebra topics, such as linear or quadratic functions and coordinate geometry

AMC 10

25 multiple-choice questions, 75 minutes

students in 10th grade and below

elementary algebra, basic geometry (such as Pythagorean Theorem), area and volume formulas, elementary number theory, and elementary probability

AMC 12

25 multiple-choice questions, 75 minutes

students in 12th grade and below

covers the full high school mathematics curriculum, including trigonometry, advanced algebra, and advanced geometry (no calculus)