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Turn your SAT prep materials into a harder practice test

DeckOwl reads your PDFs, slides or notes and writes multiple-choice, true/false and open questions with explanations, so you can practice at the level you need.

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Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free account · 3 sets a month · Creates quizzes in seconds

Why a custom hard practice test beats a generic one

If you are hoping for a printable, ready-made hard SAT practice test, DeckOwl does not ship a question bank. It builds a harder set from the study material you already have, which keeps the difficulty tied to what you need to master.

Upload PDFs, DOCX, PPTX, text notes or photos of pages
Generate multiple-choice, true/false and open questions
Read an explanation for every answer you get wrong
Export to PDF or DOCX on Plus, or QTI 2.1 and Moodle XML on Pro

Example hard SAT practice questions

If f(x) = x² − 4x + 1, at what value of x does f reach its minimum?x = 2. The vertex of a parabola y = ax² + bx + c is at x = −b/(2a), which gives −(−4)/(2·1) = 2.

How many real solutions does x² + 6x + 9 = 0 have?One solution, x = −3. The discriminant b² − 4ac equals 0, so the quadratic has a single repeated root.

A population doubles every 3 years. What is the multiplier after 12 years?16. Twelve years is four doubling periods, so 2⁴ = 16.

Which word best describes an argument that rests on weak or flimsy support?Tenuous. The word means having little substance or support, which fits an argument that is easy to challenge.

Which is correct: "Neither of the students was ready" or "Neither of the students were ready"?"Was." Neither is singular in this sentence, so it takes a singular verb.

Generate the full set

Built from your material

Upload PDFs, DOCX files, slides, plain-text notes or photos of pages. Questions come from what you actually studied.

Explanations for every answer

Each multiple-choice, true/false and short-answer question includes an explanation, so wrong answers teach you something.

Export when you need it

Study in the browser on the free plan. Plus adds PDF and DOCX export, and Pro adds QTI 2.1 and Moodle XML for class use.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, text file or a photo of your study pages.

Choose a question type

Pick multiple choice, true/false or open questions, then generate your set.

Practice and review

Answer the questions, read the explanations, and retry the ones you missed.

Upload your own review sheets, worked examples or class slides, and the generator writes questions that test the same ideas in new ways. Multiple-choice, true/false and open questions each come with an explanation, so you can see why an answer is right.

The free plan includes 3 generations per month and browser study. Plus costs $99.90/year or $9.99/month and adds unlimited generations, PDF and DOCX export, and spaced repetition. Students get 40% off with a school email, and no credit card is needed to start.

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Frequently asked questions

How hard should my SAT practice questions be?

Start with a set near your current level, then raise the difficulty by adding harder source material such as advanced reading passages or multi-step math worked examples. Track which question types you miss most and generate more of those.

What is the best way to use a hard practice test for SAT prep?

Take the set under timed conditions, then review every explanation, including the questions you got right. Retry the missed questions a few days later to check whether the concept has stuck.

Are these official SAT questions?

No. DeckOwl writes questions from the notes or PDFs you upload, so the content and difficulty depend on your source material.

Can I export my practice test?

The free plan lets you study in the browser. PDF and DOCX export are included with Plus, and QTI 2.1 and Moodle XML export require Pro.

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