AMC 12 Study Guide 2026
Everything you need to pass the AMC 12 exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 AMC 12 Exam Format at a Glance
📚 AMC 12 Topics to Study (69)
✍️ Sample AMC 12 Questions & Answers
1. How should differentiation be applied in educational technology?
Effective differentiation adapts instruction based on each student's readiness level, interests, and learning profile.
2. What role does data play in professional development decisions?
Using data from multiple sources ensures educational decisions are evidence-based and targeted to student needs.
3. What is the sum of the first 10 triangular numbers (1, 3, 6, 10, ...)?
The sum of the first n triangular numbers is n(n+1)(n+2)/6, giving 10·11·12/6 = 220.
4. What is the value of Σ(k=1 to ∞) of (1/2)^k?
This geometric series has first term a = 1/2 and ratio r = 1/2, so S = (1/2)/(1 − 1/2) = 1.
5. Research shows that taking timed practice AMC tests improves long-term retention more than rereading notes. What is this called?
The testing effect shows that actively retrieving information strengthens memory more than restudying.
6. What is the real part of (1 + 2i)/(1 − i)?
Multiplying by the conjugate: (1+2i)(1+i)/2 = (−1+3i)/2, giving real part −1/2.
🎯 Free AMC 12 Practice Tests
📖 AMC 12 Guides & Articles
What Practice Test Geeks adds beyond an AI chat for AMC 12
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length AMC 12 mock exam — 30 questions in 75 minutes with a 60% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed AMC 12 question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable AMC 12 cheat sheet you can print or save as a PDF.
- AMC 12 flashcards built from the same question bank.
- Free AMC 12 practice tests with the correct answer shown after each question.
How this page was made: written with AI tools. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy