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AP Calculus AB: Study Resources & Illustrated Guides

Illustrated teaching guides, official reference links, and a transparent source record.

Original diagram: Accumulation is a function; its derivative is a rate VIDEO → ARTICLE
Khan Academy · 8 min read

Accumulation is a function; its derivative is a rate

Connect area, units and the fundamental theorem through an original tank model.

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Original diagram: The chain rule: follow both rates VIDEO → ARTICLE
Khan Academy · 9 min read

The chain rule: follow both rates

Read nested functions, diagnose missing factors and check with a second method.

Read the illustrated guide
Original diagram: Substitution: keep the variable, differential and bounds together VIDEO → ARTICLE
Khan Academy · 10 min read

Substitution: keep the variable, differential and bounds together

Reverse a chain rule, test missing factors and check a decreasing substitution.

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Original diagram: The Mean Value Theorem: conditions before conclusions VIDEO → ARTICLE
Khan Academy · 10 min read

The Mean Value Theorem: conditions before conclusions

Match average and instantaneous rates, then use the theorem to bound a change.

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These guides use actual video captions for a short source synopsis and timestamp map. Teaching text, worked examples, and diagrams are original companions. They do not reproduce full transcripts or downloaded video.

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