The AMC 10 A is a 25-question, 75-minute multiple-choice competition designed for students in grades 10 and below. The content covers mathematical topics such as elementary algebra, basic geometry, area and volume formulas, elementary number theory, and elementary probability. Advanced topics like trigonometry, advanced algebra, and advanced geometry are excluded. High school students in grades 10 and below, with a maximum age of under 17.5 years on the day of the competition. Annually in November on the same dates as AMC 12. Students may not take both AMC 10 and AMC 12 on the same day.