SAT Math Diagnostic
Short topic-level assessments built around the mistake patterns Digital SAT Math questions are written to catch. Each multiple-choice diagnostic is ten items keyed to a specific wrong move; miss one and the result routes you to the drill that fixes it. Every topic also has a grid-in set, the student-produced response format, where you type the number instead of choosing it. This page covers all six units and every one of the 30 topics. Pick a topic to start.
Linear Reasoning
Nonlinear Algebra
Proportional Reasoning and Percentages
Data, Statistics, and Probability
Geometry and Trigonometry
Strategy and Trap Recognition
All six units are live. Each diagnostic is about 10 questions and takes 8 to 12 minutes. Missed items map to named misconceptions; the result page links you straight to drills that target those specific failures.