Resources
Sites I use and recommend. They open in a new tab.
AMC practice
- AMC 8 Problems and Solutions: Every AMC 8 back to 1985, with solutions.
- AMC 10 Problems and Solutions: Every AMC 10 since 2000, with solutions.
- AMC 12 Problems and Solutions: Every AMC 12 since 2000, with solutions.
- Art of Problem Solving Wiki: Articles on contest math topics and on the contests themselves.
- Art of Problem Solving: The main AoPS site: free wiki, forums and Alcumus, plus paid classes and books.
- MAA American Mathematics Competitions: The official AMC page, with dates, eligibility and how to register.
Competitions
- MATHCOUNTS: Middle school competition for grades 6 to 8, at the school, chapter, state and national levels.
- American Invitational Mathematics Examination: Past AIME problems with solutions. The AIME is the next contest after a qualifying AMC 10 or 12 score.
- USA Junior Mathematical Olympiad: Past USAJMO problems with solutions. It's the olympiad for top AIME scorers who qualified through the AMC 10.
- USA Mathematical Olympiad: Past USAMO problems with solutions. It's the olympiad for top AIME scorers who qualified through the AMC 12.
- Competition Difficulty Ratings: AoPS's difficulty scale from 1 to 10, for comparing problems across contests.
Interactive practice
- AoPS Alcumus: Free AoPS practice problems that adjust to your level. You need an AoPS account.
- Math Dash: Rated competition problems and timed duels against other students. Its coaching is paid.
- AoPS Community Forums: Forums where students discuss contest problems, with a thread for nearly every AMC problem.
- Khan Academy Math: Free videos and exercises for school math, from pre-algebra to calculus.
Idaho and regional
- ARML Wild Wild West: The ARML team for students from Idaho and five other western states, run by mathleague.org.