AP Calculus AB Prep: Format & Free Practice
AP Calculus AB is a college-level calculus exam scored 1–5. Here's what it covers and how it's structured — with free COSMIQ practice that emphasizes justifying answers with calculus reasoning.
COSMIQ prepares you for the AP Calculus AB and administers realistic full-length mock tests — it does not administer the official test.
Frequently asked
How is AP Calculus AB scored?
It combines a multiple-choice section and free-response questions into a composite that maps to a 1–5 score. College Board re-curves each year, so treat any estimate as approximate.
Is AP Calculus AB practice on COSMIQ free?
Yes. AP practice on COSMIQ is free — voice tutoring, a smart board, and realistic practice questions, with no card required.
Estimate your score with the free AP Calculus AB score calculator.