§ 1Big Picture
§ 2Vocabulary
Tap a card to flip. Use Mark Known to track your progress — it's saved in your browser. Search to filter.
§ 3Theorems & Definitions
Each card opens to show Statement / Hypotheses / Conclusion / Why it matters. On the AP exam, quoting a theorem's hypotheses is often the point itself. Click a card to expand.
§ 4Formulas & Rules
Gold dots = must be automatic by exam day. There is no formula sheet on the AP Calculus exam — everything here lives in your head.
§ 5Learning Objectives
Click a question to reveal a model answer. These are the College Board's essential questions for this unit — if you can answer each cold, you own the unit.
§ 6Multiple-Choice Practice
Section I is 45 MCQs worth 50% of your score — 30 without a calculator, 15 with. Each question below is labeled. Explanations appear after you answer.
§ 7Free-Response Workbook
Rule of thumb: every FRQ point is earned by shown work or stated reasoning — a bare answer, even a correct one, rarely earns full credit. Write your response first, then reveal the model.
§ 8Worked Problems, Step by Step
One rich problem, dissected the way a grader reads it. Work each step yourself before revealing the analysis.
§ 9Justification Bootcamp
AP Calculus is a writing exam in disguise: specific sentences earn specific points. Learn the sentence, then practice producing it under pressure.
§ 10Problem Archetypes
The same Unit 3 problems reappear year after year in light disguise. Learn the skeleton and the attack plan for each.
§ 11Common Pitfalls
The specific mistakes students make over and over on Unit 3 questions.