Foundations for Competition Math

AMC Killer-Problem
Mastery Set

Sixty original problems built from the exact ideas behind the hardest AMC 8 questions — lattice paths, complementary counting, cube geometry, pigeonhole, and more. Three sets, each rising from foundational to challenging, so the ideas stick.

60Problems
20Core Concepts
3Difficulty Sets
10–60Minute Timer

Set your timer, then begin

Pick a study window. When time runs out, the exam locks automatically and scores only the questions you reached.

All 60 questions scroll together in one page. Answer at your own pace inside the time you chose — instant feedback and confetti included.