Every problem is built from the core ideas behind the hardest AMC 12A questions — sign analysis, Vieta's formulas, circle geometry, casework counting, and more — introduced simply, then built back up step by step.
Choose your time limit, then work straight down the page. Every answer gets an instant explanation, so you can learn as you go.
The timer starts the moment you begin and cannot be paused. When time runs out, the test ends automatically and your score is calculated only from the questions you answered. You can also print a clean copy any time, with the full answer key on the final page.