ORIGINAL PRACTICE SET  ·  NOT AFFILIATED WITH MAA

Competition Math Lab

AMC 8 Mock Exam

25 original, exam-style problems written in the spirit of the American Mathematics Competition 8 — arithmetic, algebra, geometry, counting, and probability for grades 6–8. Every problem includes a hint, a concept note, and a full explanation.

25
Problems
40:00
Time limit
A–E
Choices
0
Guess penalty

Before you begin

  1. This is a 25-question, multiple-choice practice test. Exactly one choice is correct per problem.
  2. Tap an answer to lock it in — you'll see instantly whether it's correct, plus a full explanation.
  3. There is no penalty for a wrong answer, so it's always worth choosing your best guess.
  4. Scratch paper is recommended. Calculators are not needed for any problem.
  5. Use the hint button if you're stuck, and the topic tag to review the underlying concept.
  6. You have 40 minutes on the clock once you start. The exam auto-submits at 0:00.
  7. When you finish, you'll get an estimated score and a review of only the problems you missed.