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Free SAT & ACT Math diagnostic

Take a free diagnostic, right here

Not a sample of easy questions — one complete, timed unit of the real test, with the real number of questions, the real time limit, and the tools you will have on test day. No account, no sign-up. When you finish you get your score, your time, and every question explained.

SAT

SAT Math — Module 1

One complete Math module of the digital SAT, as delivered in Bluebook

22 questions · 35 minutes

  • Bluebook layout: one question per screen, question navigator, Check Your Work page
  • Countdown you can hide, back automatically at 5 minutes
  • Mark for Review and the option eliminator
  • Desmos calculator and the Math reference sheet
  • Student-produced responses graded by Bluebook's entry rules
Opens a full-screen, timed test. No sign-up needed.

ACT

ACT Math — Full Section

One complete Mathematics section of the Enhanced ACT, as delivered online

45 questions · 50 minutes

  • Four answer choices on every question, A–D, as on the online ACT
  • Timer you can hide, and Flag for Review
  • Answer eliminator
  • Desmos calculator — and no formula sheet, as on test day
  • An estimated 1–36 Math score
Opens a full-screen, timed test. No sign-up needed.

Same format. Same timing. Check for yourself.

Every online practice test and diagnostic we give runs to the official specification — the same sections, the same number of questions, and the same clock. Here are the official figures next to ours, with links to the source.

Enhanced ACT (online)

SectionOfficialOur testsMatch
English50 questions, 35 min50 questions, 35 min✓ Matches
Math45 questions, 50 min45 questions, 50 min✓ Matches
Reading36 questions, 40 min36 questions, 40 min✓ Matches
Scienceoptional40 questions, 40 min40 questions, 40 min✓ Matches
Free diagnosticon this page45 questions in 50 min — one full Math section✓ Matches
Total time:
2 h 5 min without Science. One short break, after Math and before Reading.
Answer format:
Four choices on every question, Math included.

Test-day tools in the free diagnostic

  • Timer — Can be hidden
  • Flag for review — Marks a question to return to
  • Answer eliminator — Crosses out choices you have ruled out
  • Desmos graphing calculator — Embedded on the Math section; no formula sheet is given
  • One-way sections — A section cannot be revisited once it ends

Source: ACT — The ACT Test Enhancements (opens in a new tab)

Digital SAT (Bluebook)

SectionOfficialOur testsMatch
Reading and Writing54 questions, 64 min(2 × 27 in 32 min)54 questions, 64 min✓ Matches
Math44 questions, 70 min(2 × 22 in 35 min)44 questions, 70 min✓ Matches
Free diagnosticon this page22 questions in 35 min — one full Math module✓ Matches
Total time:
2 h 14 min. 10-minute break between Reading and Writing and Math.
Answer format:
Four choices (A–D); about a quarter of Math is student-produced response.

Test-day tools in the free diagnostic

  • Countdown timer — Can be hidden, and reappears with an alert when 5 minutes remain
  • Mark for Review — Flags a question in the question navigator
  • Option eliminator — Strikes out answer choices you have ruled out
  • Question navigator — Jump to any question in the current module
  • Check Your Work page — Shows answered, unanswered and marked questions before the module ends
  • Desmos graphing calculator — Embedded on every Math question
  • Reference sheet — Common formulas, available throughout Math
  • One-way modules — Once a module ends you cannot go back to it, and it ends on its own when time runs out

Source: College Board — How the SAT Is Structured (opens in a new tab)

Our figures are checked against the official ones automatically every time the site changes, so this table cannot quietly go out of date.