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Turn your math notes into a quiz with answers and explanations

Upload a chapter, lecture deck or handwritten page photo and get practice questions that match what your class actually covered.

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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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Why a custom quiz beats a generic one

A math quiz sample from a textbook rarely matches what your class covered this week, so you end up practicing the wrong skills. A quiz built from your own lecture notes or chapter PDF targets the exact formulas, definitions and problem types on your next test.

Questions follow the specific examples and notation used in your course
Wrong answers come with an explanation of the step that went off track
Short answer questions ask you to show the reasoning, not just pick a letter
Re-generate from a new chapter whenever your instructor moves on

Example algebra and geometry quiz questions

What is the derivative of x³?3x². The power rule multiplies by the exponent and reduces the exponent by one.

Solve 2x + 6 = 14.x = 4. Subtracting 6 from both sides and then dividing by 2 isolates x.

True or false: the interior angles of a triangle always add to 180 degrees.True. This holds in Euclidean geometry, because any triangle can be split into two angles that match a straight line.

What is 15% of 80?12. Convert 15% to 0.15, then multiply: 0.15 × 80 = 12.

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

Generate the full set

Multiple-choice, true/false and short answer

Pick the question type that fits the topic, from algebra drills to proof-style short answers.

Explanations for every answer

Each question shows why the correct answer works, so a wrong guess becomes a lesson.

Built from your own material

Upload PDF, DOCX, PPTX, plain text or photos of pages, and the quiz follows your course content.

How it works

Upload your material

Add a PDF, slide deck, Word file, notes or a photo of a worked page.

Choose the question types

Select multiple-choice, true/false or short answer, then generate the set.

Practice and review

Take the quiz in your browser, check the explanations, and redo the questions you missed.

DeckOwl reads your uploaded file and writes questions with answers and short explanations. You can run the quiz in the browser on the free plan, which includes 3 generations per month. Paid plans add unlimited generations and export.

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Frequently asked questions

How many practice questions should I do before a math test?

Most students get good results from 15 to 25 mixed questions per topic, repeated across a few sessions. Focus extra time on the questions you got wrong, and redo them a day or two later.

What is the best way to study math with a quiz?

Try each question on paper before you check the answer, and write out the steps rather than only the final number. Read the explanation for every miss, then solve a similar problem yourself.

Can I export the quiz to PDF or Word?

PDF and DOCX export are included in the Plus plan, which is $99.90/year or $9.99/month. Students with a school email get 40% off.

Do I need a credit card to try it?

No. You can start on the free plan with 3 generations per month and study in the browser without adding a card.

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Keep exploring the topic

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