SJMaths DIAGNOSTIC
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20 QUESTIONS · 20 MINUTES · INSTANT GAP ANALYSIS

Free Digital SAT Math Diagnostic.
Pinpoint exact score gaps.

Stop wasting study hours on questions you already know. The SJMaths Diagnostic evaluates your accuracy across all 4 official SAT domains, predicts your score band, and generates a personalized high-yield roadmap.

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20
Adaptive Questions
Mix of standard multiple-choice and student-produced response (SPR) items.
20m
Timed Section
Realistic 1 minute per question pacing to test speed under exam conditions.
100%
Built-in Desmos
Access the official calculator interface during the diagnostic test.

Tested Domain Distribution

The diagnostic accurately mirrors the official College Board question weighting.

01. Algebra (Linear equations, systems, inequalities) 7 Questions (~35%)
02. Advanced Math (Quadratics, polynomials, exponents) 7 Questions (~35%)
03. Problem-Solving & Data Analysis (Rates, stats, tables) 3 Questions (~15%)
04. Geometry & Trigonometry (Circles, right triangles, volume) 3 Questions (~15%)

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