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Turn your math notes into a timed quiz with explanations

Upload a PDF, slides or notes and get a math quiz you can work through against the clock, with an explanation for every answer. No credit card needed to start.

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

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How a timed math quiz helps you study

A timed math quiz shows what you can actually do under pressure, not just what you recognize on a page. DeckOwl builds one from your own material: upload a PDF, DOCX, PPTX, text notes or a photo of a worksheet, and it writes multiple-choice, true/false or open questions with explanations.

Multiple-choice, true/false and short-answer questions drawn from your own notes
An explanation for every answer, including the steps behind each math result
Study in the browser on the free plan, with 3 generations per month
Export to PDF or DOCX on Plus for printed timed practice

Example timed math quiz questions

Solve 3x + 7 = 22. What is x?x = 5. Subtract 7 from both sides to get 3x = 15, then divide by 3.

True or false: the derivative of sin(x) is -cos(x).False. The derivative of sin(x) is cos(x), and -cos(x) is the derivative of -sin(x) only after a sign change, so it does not match here.

What is 15% of 240?36. Multiply 240 by 0.15, or find 10% (24) and add half of that (12).

What is the area of a triangle with base 10 cm and height 6 cm?30 cm². Area equals one-half times base times height, so 0.5 × 10 × 6 = 30.

What is the sum of the interior angles of a hexagon?720 degrees. Use (n − 2) × 180 with n = 6, which gives 4 × 180 = 720.

Generate the full set

Questions from your material

Upload PDFs, slides, notes or a photo of a page and get questions that match what your class actually covers.

Explanations for each answer

Every question includes a short explanation, so a wrong answer shows you the step you missed.

Print or export when you need it

Export to PDF or DOCX on Plus, or QTI 2.1 and Moodle XML on Pro, for paper sessions or an LMS.

How it works

Upload your material

Add a PDF, DOCX, PPTX, text file or photo of your math notes.

Pick a question type

Choose multiple-choice, true/false or open questions, then generate the quiz.

Set a clock and start

Time yourself with a phone or kitchen timer, then check each answer against its explanation.

Each answer comes with an explanation, so you can see exactly which step went wrong and go back to that part of your notes. Running the same set again under the same time limit makes it easy to see whether your speed and accuracy are improving.

Exports to PDF or DOCX are available on Plus, so you can print a clean copy for a paper session. QTI 2.1 and Moodle XML export are on Pro for teachers loading quizzes into an LMS.

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Frequently asked questions

How long should I give myself per math question on a timed quiz?

A common starting point is 60 to 90 seconds for a routine one-step problem, with more time for multi-step word problems. Adjust after a few sets based on how many you finish and how many you get right.

How do I know whether timed practice is improving my math?

Keep the same difficulty and time limit across sessions and compare your scores and the questions you miss. If the same type of problem keeps appearing in your misses, return to that section of your notes before the next timed set.

Can I make timed math quizzes for free?

The free plan includes 3 generations per month and studying in the browser. Exports to PDF or DOCX require Plus, which costs $39 per year or $7.99 per month, with 40% off using a school email.

Do I need a credit card to start?

No, you can start on the free plan without a credit card. Upgrade later if you need more generations or exports.

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