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MathHub USA

SAT, AP, AMC & Math Competition Resources — PDF Archive

Online Textbooks

Free textbooks with concepts, worked examples, and practice problems with solutions.

Geometry 13 chapters
1

Points, Lines, and Planes

Segments, rays, angles, angle pairs, angle bisectors

2

Reasoning and Proof

Inductive/deductive reasoning, two-column proofs

3

Parallel Lines

Transversals, corresponding/alternate angles

4–5

Triangles & Congruence

Triangle relationships, SSS/SAS/ASA/AAS congruence

7–8

Right Triangles & Trig

Pythagorean theorem, special triangles, SOHCAHTOA

10

Circles

Arcs, chords, inscribed angles, tangent lines

📊 AP Statistics 12 chapters
1

Exploring Data: Distributions

Histograms, boxplots, shape/center/spread, outliers

2

Describing Distributions

Mean, median, standard deviation, IQR

3

Normal Distributions

Empirical rule, z-scores, normal probability

4–5

Scatterplots & Regression

Correlation, least-squares line, r²

7–8

Probability & Distributions

Rules, binomial, geometric distributions

9–12

Inference

Confidence intervals, significance tests, chi-square

📘 Pre-Algebra 8 chapters
📙 Algebra 2 10 chapters
📗 Precalculus 10 chapters
📐 AP Calculus AB / BC 11 chapters
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SAT

40+ released exams & official practice tests (2017–2023)

Available
🎯

PSAT/NMSQT

Released tests (2015–2020) & official practice tests

Available
📊

AP Calculus

AB & BC — FRQ and scoring guidelines by year

Available
📈

AP Statistics

FRQ and scoring guidelines by year

Available
💻

AP Computer Science

CSA & CSP — Past exams and practice materials

Available
🏆

AMC / AIME / USAMO

Math competition archive — AMC 8/10/12, AIME, USAJMO & USAMO

Available

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