100% Free • No Sign-up • Adaptive • Instant Weakness Index
Choose your diagnostic
A full diagnostic runs 30–40 adaptive questions across every micro-topic in a section — deep enough to pinpoint exactly where you're losing points. Or drill a single domain for a focused check.
Digital SAT Math
LiveThe full Digital SAT Math section: Algebra, Advanced Math, Problem-Solving & Data Analysis, and Geometry & Trigonometry.
Full Digital SAT Math Diagnostic — ~34 questions
Covers all 17 micro-topics with adaptive difficulty. Each session is a fresh form, so you can retake to track progress.
Or drill a single domain (focused, ~4 questions per topic)
Algebra
- Linear equations in one variable
- Linear equations in two variables
- Linear functions
- Systems of two linear equations
- Linear inequalities
Advanced Math
- Equivalent expressions
- Quadratic equations
- Exponential expressions & functions
- Nonlinear functions
Problem-Solving & Data Analysis
- Ratios, rates & proportions
- Percentages
- Statistics: mean, median, range
- Probability
Geometry & Trigonometry
- Area & volume
- Lines, angles & triangles
- Circles
- Right triangles & trigonometry
Digital SAT Reading & Writing
Coming SoonThe full Digital SAT Reading & Writing section: Craft & Structure, Information & Ideas, Standard English Conventions, and Expression of Ideas.
Craft & Structure
- Words in Context
- Text Structure & Purpose
- Cross-Text Connections
Information & Ideas
- Central Ideas & Details
- Command of Evidence
- Inferences
Standard English Conventions
- Boundaries
- Form, Structure & Sense
Expression of Ideas
- Rhetorical Synthesis
- Transitions
The Digital SAT Reading & Writing syllabus is mapped and questions are being added. Check back soon.
How your report works
- 1. Answer questions — the difficulty adapts: get one right and the next is harder, miss it and the next is easier.
- 2. We map every answer to its exact micro-topic and weight it by difficulty.
- 3. Get your Weakness Index — color-coded gaps by domain, a careless-slip vs concept-gap split, and worked explanations.