Plain-English explainers and preparation tips for the American Mathematics Olympiad — for Grade 2–12 families.
AMO geometry is won with a redrawn diagram, not a formula sheet. Angle chasing, area by decomposition and spatial counting, explained for Grades 3 to 10 with drills. Read
Number theory is a small slice of the AMO syllabus that returns a large share of marks. Here is the divisibility, remainder and digit toolkit for Grades 5 to 12, with drills. Read
AMO spans grades 2 to 12, so it rewards a long view. Here is how to build a multi-year AMO roadmap, when to move up a level, when to consolidate, and how to avoid burnout. Read
Is AMO hard? It depends on the grade and the question. Here is an honest, grade-by-grade look at AMO difficulty and why percentile scoring changes how you should read it. Read
AMO runs all the way to grade 12, so high-school students can take part too. Here is what senior AMO involves, who it suits, and how prep differs from younger years. Read
A practical playbook for teachers and coordinators who want to offer AMO at their international school: roles, planning phases, parent communication, exam-day logistics and post-results follow-up. Read
AMO rewards flexible thinking, not memorised formulas. Learn the 7 core heuristics — work backwards, small cases, diagrams, casework, parity, elimination and concretising — and when to reach for each. Read
Most AMO marks are lost to five repeatable mistake families — misreading, arithmetic slips, time traps, answer-recording errors and giving up early. Here is how to diagnose and fix each one. Read
How the AMO year flows from registration to the paper to results, and onward to SIMOC, IJMO and the Global Finals – plus how many months ahead a China family should register and begin. Read
