How does Test Citadel mirror the real Digital SAT Bluebook exam?

Test Citadel features an authentic Bluebook-calibrated countdown timer with visibility toggle, question navigation grid, choice eliminator cross-out tool, embedded Desmos graphing calculator, and official College Board formula sheets.

Can I try Test Citadel questions for free?

Yes. Every visitor can complete 4 free diagnostic problems (2 Math with Desmos and 2 Reading & Writing) with full Socratic explanations before upgrading to Citadel Pro.

What is included in the Citadel Pro pass?

Citadel Pro grants unlimited access to 2,600+ adaptive questions, multi-tier Socratic hint trees, Desmos graphing shortcuts, distractor trap breakdowns, and simulated full-length SAT and ACT exams.

Digital ACT Bank

Digital ACT Practice Questions

Access 553 official-caliber practice questions. Filter by subject or difficulty to pinpoint your cognitive blind spots.

Free 4-Question Diagnostic →

Subject: All Subjects (905) Math (292) English (228) Science (225) Reading (160)

Difficulty: All Tiers Foundational Medium Hard / Advanced

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Math Hard

A surveyor stands 100 feet from the base of a vertical tower on level ground. The angle of elevation from the ground to the top of the tower is $37^\circ$. If $...

Question #2128 Solve & Check Answer →

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Full Timed Simulation

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Digital ACT Practice Questions

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Official Exam Reference Formulas

Geometric Area & Perimeter

Three-Dimensional Volumes

Algebra & Trigonometry

Desmos Graphing Calculator

Socratic Assistant