📝 Unit Tests

AP Calculus AB Unit Tests

Pick a unit to drill it head-on. Each unit has 4 different test variations so you can keep retaking until you master it.

10–12% of exam

Limits algebraically and graphically, continuity, and the IVT.

12 questions · ~18 min

Pick a variation

20–24% of exam

Power, product, quotient, chain rules; implicit & inverse derivatives.

12 questions · ~18 min

Pick a variation

25–30% of exam

Related rates, optimization, MVT, curve sketching, and motion problems.

12 questions · ~18 min

Pick a variation

17–20% of exam

Antiderivatives, Riemann sums, FTC, u-substitution, and integration techniques.

12 questions · ~18 min

Pick a variation

6–12% of exam

Slope fields, separable ODEs, exponential growth & decay.

12 questions · ~18 min

Pick a variation

10–15% of exam

Average value, area between curves, volumes of revolution, and motion.

12 questions · ~18 min

Pick a variation

How unit tests work

Focused on a single AP unit, between a single-topic quiz and the full diagnostic.
4 variations per unit — pick a fresh variation any time you retake.
Roughly 90 seconds per question — the same pacing as the AP exam.
You'll get a unit-level score, recommended topics to review, and a question-by-question explanation.

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