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Turn tough math chapters into a hard math quiz with explanations

Upload your textbook pages, slides or lecture notes and get challenging questions that test the ideas you still find shaky, each with a clear explanation of the answer.

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Why a hard math quiz works better when you make it yourself

Practicing with a hard math quiz built from your own chapters shows you exactly where your understanding stops. Generic online problem sets often skip the specific methods your course emphasizes, so a quiz drawn from your notes targets the gaps that will actually cost you points.

Multiple-choice, true/false and open formats in one generation
Explanations that show the reasoning behind each correct answer
Questions drawn only from the material you upload
Photos of pages read with text recognition, so handwritten-scan notes work too

Example hard algebra, series and calculus quiz questions

Solve for x: 2^(x+1) = 32.x = 4. Since 32 = 2^5, the exponents must match, so x + 1 = 5.

True or false: f(x) = x^3 - 3x is differentiable at x = 0.True. Polynomials are differentiable everywhere, and the derivative 3x^2 - 3 exists at x = 0.

What is the sum of the infinite series 1 + 1/2 + 1/4 + 1/8 + ...?2. The ratio is 1/2, so the sum is a / (1 - r) = 1 / (1/2) = 2.

In how many ways can 5 distinct books be arranged in a row on a shelf?120. The number of orderings of 5 distinct items is 5! = 120.

Does the integral of 1/x from 1 to infinity converge?No, it diverges. The antiderivative ln x grows without bound as x goes to infinity.

Generate the full set

Multiple-choice, true/false and open questions

Choose the format that fits your course. Open questions push you to write out the reasoning instead of guessing from four options.

Explanations for every answer

Each question comes with a short explanation, so a wrong answer shows you which step broke down rather than just marking it incorrect.

Built from your own material

Questions come from the chapters, slides or problem sets you upload, so the difficulty matches what your instructor actually covers.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text notes or a photo of a page. Photos are read with text recognition.

Generate the quiz

Pick multiple-choice, true/false or open questions and generate a set built from the topics in your upload.

Work through the misses

Answer the questions, read the explanations for the ones you missed, then retake the quiz until the weak spots are gone.

Difficult questions are most useful when they come with worked reasoning. Each explanation shows the step that went wrong, which helps you fix the method instead of memorizing one answer. Open questions add another layer by requiring you to write out the full argument.

Retaking a quiz after a day or two is where the learning sticks. Keep the questions you missed, review the explanations, and try them again from scratch to confirm the method has settled in.

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Frequently asked questions

How many questions should a hard math quiz have for one study session?

A focused set of 10 to 15 questions on one chapter is usually enough for a single sitting. Shorter sets make it easier to review every explanation before moving on.

What should I do when I keep getting the same kind of math problem wrong?

Redo each missed problem from scratch without looking at the explanation, then try it again a day later. If you still stumble, go back to the worked example for that method before attempting more questions.

Can I export a generated math quiz to use in my class?

PDF and DOCX export are included on the Plus plan, and QTI 2.1 and Moodle XML export are available on Pro. The free plan lets you study the quiz in the browser but does not include exports.

Can DeckOwl make a quiz from a photo of my math textbook page?

Yes, photos of pages are read with text recognition and turned into questions. Check the generated questions against the page, since handwritten or blurry images can reduce accuracy.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.