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Math

Algebra, advanced math, problem-solving, and geometry — built the way the digital SAT tests them.

Not sure where to start?Take the Math Skills Map to see which skills cost points.Diagnostics

Learn the question types

Recognize what a question is asking, with worked examples and fresh practice.

Advanced Math types16 question types, each with a worked example, a graph you can drag, and fresh practice.Train Statistics & Data Analysis types18 types covering percentages, data, probability and inference.Train Math LabInteractive models and graph challenges: why we factor (a farm), a square and a circle, and XP for solving them.Explore Math ProofsStep through classic proofs with diagrams you can change: a circle's area from a triangle, why √2 is irrational, Pythagoras, Thales and more.Prove it Math FoundationsOrder of operations, radicals, fractions: the skills every lesson leans on.Review

Test yourself

Build speed and stamina.

Math StreakSurvival mode. Enter a recent score and it serves questions just above your level.Play

SAT question bankReal digital SAT questions from College Board’s question bank, by subject.Algebra754 questions Statistics164 questions Geometry108 questions

Lessons by topic

Each topic has a lesson, worked examples and a quiz. Start with the high-yield ones.

Algebra

High yield

~35% of the test · 5 topics · 13–14 of 44 questions

Linear equations in one variable
Linear equations in two variables
Linear functions
Systems of two linear equations
Linear inequalities

Advanced Math

High yield

~35% of the test · 3 topics · 13–15 of 44 questions

Nonlinear functions
Nonlinear equations and systems
Equivalent expressions

Problem-Solving and Data Analysis

Low yield

~15% of the test · 7 topics · 5–7 of 44 questions

Ratios, rates, and proportions
Percentages
One-variable data distributions
Two-variable data models
Probability
Sample statistics and margin of error
Evaluating statistical claims

Geometry and Trigonometry

Low yield

~15% of the test · 4 topics · 5–7 of 44 questions

Area and volume
Lines, angles, and triangles
Right triangles and trigonometry
Circles