Structured topics, curated problems, and a clear path to Olympiad-level problem solving
Carefully designed for math contest students - available to everyone, for free.

Learn new topics from a vetted list of high-quality resources. If one resource doesn't click, look at another!Explore Foundations Resources
| Math Resources | ||
|---|---|---|
| AoPS | Number Theory Basics | modular arithmetic, gcd, and classic lemmas |
| AoPS | Geometry Essentials | similarity, circles, power of a point |
| MATH | Combinatorics Toolkit | invariants, pigeonhole, and double counting |
| OLYM | Functional Equations | standard substitutions and symmetry tricks |

Practice each topic with extensive problemsets and solutions covering a wide range of difficulties.Go to Problems Page
| Source | Problem Name | Difficulty |
|---|---|---|
| AMC 10 | Modular Patterns | Easy |
| AIME | Counting Arrangements | Normal |
| USAMO | Geometry Chase | Hard |
| AoPS | Inequality Practice Set | Hard |

Use our progress-tracking tools to track your progress in the Guide and stay motivated.Open Dashboard
12 total

Ask questions, share solutions, and learn from other contest students in the AoPS community.Visit AoPS Community →
Here are a few resources and study tools that pair well with the guide.
Join guided sessions focused on problem solving, solution writing, and proof critique. Led by top performers to help you master competition-level rigor.
Join guided sessions focused on problem solving, solution writing, and proof critique. Led by top performers to help you master competition-level rigor.

USAMO Guide is a student-run community dedicated to olympiad mathematics. Join us to write lessons, curate problem sets, and grow as a mentor alongside fellow contest enthusiasts.
Apply Now
The AMC (8/10/12) and AIME are the main pipeline contests in the U.S. that culminate in USAMO. For official contest information and schedules, see the MAA competitions page.
No. This guide is a community-curated roadmap that reflects common contest topics and problem-solving techniques. It does not represent an official syllabus.
If you encounter an issue while using the guide (website bug, typo, broken link, unclear explanation, etc), use the "Contact Us" button. Alternatively, email us at contact@usamoguide.com.
Check out AoPS classes and community-led study groups, or join the USAMO Guide study cohorts.
Not at all. The guide is designed to support AMC 8, AMC 10/12, and AIME learners to reach USAMO.
If you get stuck, ask questions in the AoPS community or reach out via the Contact Us button.
Contributions are welcome! Visit our GitHub repositoryto find guidelines and open issues.
Yes! Check out our GitHub Repository.
© 2026 USAMO Guide.
No part of this website may be reproduced or commercialized in any manner without prior written permission. Learn More. | Privacy Policy | Terms of Service
