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Turn your math notes into a quiz with answer explanations

Skip the personality quizzes. Upload your own chapter, slides or notes and get multiple-choice, true/false or open questions that test the exact material you need to learn.

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

Free · First set needs no signup · Creates quizzes in seconds

Why a custom math quiz beats a generic one

Personality-style quizzes are fun to share, but they will not help you with factoring or the unit circle. For schoolwork, a math quiz built from the chapter you are studying is far more useful than a generic set of questions.

Multiple-choice, true/false and short-answer questions, each with an explanation
Built from your own chapter, slides or notes rather than a generic template
Study in the browser on the free plan with 3 generations per month
Students get 40% off with a school email, and no credit card is needed to start

Example math quiz questions with answers and explanations

What is the derivative of x^3?3x^2. Apply the power rule by bringing the exponent down and reducing it by one.

Solve for x: 2x + 5 = 17x = 6. Subtract 5 from both sides to get 2x = 12, then divide both sides by 2.

True or false: the interior angles of every triangle add up to 180 degrees.True. This holds for every triangle in flat (Euclidean) geometry, which is why it helps you find a missing angle.

What is the area of a circle with radius 3?9π, about 28.27 square units. The area formula is πr², so π × 3² = 9π.

What is the probability of rolling an even number on a fair six-sided die?1/2. Three of the six equally likely outcomes (2, 4 and 6) are even, so 3/6 simplifies to 1/2.

Generate the full set

Questions from your material

Every question is written from the PDF, DOCX, slides, notes or photo you upload, so the quiz matches your course.

Explanations for every answer

Each question includes an explanation, so a wrong answer shows you which step or rule you missed.

Export when you need it

Plus exports to PDF and DOCX. Pro adds QTI 2.1 and Moodle XML for teachers who run quizzes in a learning system.

How it works

Upload your math material

Add a PDF, DOCX, PPTX, plain text notes or a photo of a page.

Choose the question type

Pick multiple-choice, true/false or short answer questions for the topic you are studying.

Take the quiz and review

Answer the questions, read each explanation and retake the ones you missed.

DeckOwl reads your PDF, DOCX, slides, plain text notes or a photo of a page and writes multiple-choice, true/false or open questions from that material. Each question comes with an explanation, so a wrong answer shows you exactly where your reasoning slipped.

Retake the quiz a few days later and focus on the questions you missed the first time. Paid plans also add spaced repetition flashcards built from the same material.

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Frequently asked questions

How many questions should a math quiz have?

Ten to twenty questions covers one chapter well for most students. Shorter quizzes are easier to repeat before an exam, which helps more than one long session.

Is taking a math quiz better than rereading the chapter?

Answering questions from memory usually beats rereading because it forces you to rebuild the method. When a question stumps you, read the worked example and then try a similar problem.

Can I use my own textbook pages or class slides?

Yes. You can upload a PDF, DOCX, PPTX, plain text notes or a photo of a page, and the questions are written from that material.

Do I have to pay to export a quiz?

Exports are paid features. Plus includes PDF and DOCX export, and Pro adds QTI 2.1 and Moodle XML export, while the free plan lets you study in the browser.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.