SAT ACT PSAT AP Pricing Reviews Resources

Sign in Start for free

Reference library

The Brilliant Tutors study guide library.

Eleven concise, evergreen refreshers, one for every digital SAT skill area. Open them when you hit something tricky. Re-read the cheat list before test day. Don't try to read all eleven cover to cover.

1

Try the teaser first.Every guide opens with a sample question. If you can't see the move, the lesson is right there.

2

Read the cheat list.Each guide ends with 5 to 6 high-leverage rules. Read those even on a guide you skim.

3

Use it as reference.Open a guide when you hit a topic you keep missing. That's when these earn their keep.

Reading & Writing

Craft and Structure

Words in Context

A friendly, no-nonsense guide to the digital SAT's Words in Context questions: how to use sentence clues to pick the right word every time.

7 min read Information and Ideas

Main Ideas & Evidence

A warm, practical guide to the digital SAT's main idea, inference, and command of evidence questions, with a teaser that shows the move in 30 seconds.

8 min read Craft and Structure

Structure & Purpose

How to nail digital SAT questions about a passage's structure, purpose, and how two short texts speak to each other.

7 min read Standard English Conventions

Punctuation & Boundaries

Demystifying digital SAT punctuation: when to use a comma, a semicolon, a colon, a dash, or absolutely nothing at all.

8 min read Standard English Conventions

Structure & Agreement

Subject-verb agreement, pronouns, modifiers, parallelism, and verb tense, explained the way they actually appear on the digital SAT.

9 min read Expression of Ideas

Synthesis & Transitions

How to nail the digital SAT's notes-based synthesis questions and pick the perfect transition word every time.

Math

Algebra & Linear Systems

A friendly refresher on linear equations, inequalities, and systems, the math that quietly makes up about a third of the digital SAT.

10 min read Advanced Math

Quadratics & Nonlinear

A clear guide to quadratics, exponents, polynomials, and exponential functions, the nonlinear math the digital SAT keeps coming back to.

10 min read Problem-Solving and Data Analysis

Problem Solving & Data

A friendly tour of percentages, ratios, unit rates, statistics, probability, and the tricky 'inference from a sample' questions on the digital SAT.

9 min read Geometry and Trigonometry

Geometry & Trig

A focused refresher on triangles, circles, angles, and right-triangle trigonometry, the geometry that actually appears on the digital SAT.

Strategy

Pacing & Test-Day

How to pace each module of the digital SAT, use Bluebook tools, manage anxiety, and walk in (or rather, log in) calm and ready.

Reading is good. Practicing is better.

Take a free diagnostic and we'll point you at the exact guides for your weakest areas.