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Turn your math notes into hard quiz questions and answers

Upload a chapter, worksheet or lecture slides and get multi-step questions with explanations for every answer, so you practice the material your course actually covers.

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How to get hard math quiz questions that match your course

Ready-made lists of hard math quiz questions and answers rarely match the chapter in front of you. A custom quiz works better because it draws on the same definitions, examples and problem types your instructor uses.

Problems drawn from your own textbook chapter or lecture slides
Multi-step questions with a worked explanation for each answer
Multiple-choice, true/false and short-answer formats
Free to start, with no credit card needed

Example hard math quiz questions with answers

Solve for x: 2^(x+1) = 32. What is x?x = 4. Rewriting 32 as 2^5 lets you set the exponents equal, so x + 1 = 5.

What is the derivative of x^2 * sin(x)?2x*sin(x) + x^2*cos(x). The product rule takes the derivative of each factor times the other factor and adds the results.

Two fair dice are rolled. What is the probability the sum is 8?5/36. Five of the 36 equally likely outcomes sum to 8: (2,6), (3,5), (4,4), (5,3) and (6,2).

Evaluate the integral of 1/x from 1 to e.1. The antiderivative is ln|x|, so ln(e) - ln(1) = 1 - 0 = 1.

For x^2 - 5x + 6 = 0, what is the sum of the roots?5. By Vieta's formulas, the sum of the roots equals -b/a = 5, and the roots here are 2 and 3.

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Questions from your material

Upload PDFs, DOCX, PPTX, notes or photos of pages and get multiple-choice, true/false or short-answer questions with explanations.

Explanations for every answer

Each question shows why the correct answer is right, so a missed problem becomes a worked lesson instead of a guess.

Export when you need it

Study in the browser on the Free plan. PDF and DOCX export come with Plus, and QTI 2.1 and Moodle XML export come with Pro.

How it works

Upload your material

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

Choose the question type

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

Check and retake

Read each explanation, then retake the questions you missed until the steps feel routine.

Upload the textbook section or lecture slides you need to review. DeckOwl reads the text, including photos of pages, and writes questions that test the same method, so you practice the harder steps rather than memorizing a generic answer key.

Use the explanations to find the exact step where your reasoning broke down, then return to your notes for that topic. Repeating the questions you missed is more useful than rereading the whole chapter.

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Frequently asked questions

How many questions should a hard math quiz have?

A unit quiz often works well with 10 to 20 questions, with more weight on multi-step problems than on single-fact recall. Start with a shorter set and add more once you can work through them comfortably.

How should I study hard math problems I keep getting wrong?

Work each missed problem again from a blank page without looking at the solution, then compare your steps to the explanation. Retake the problems you still miss after a day or two.

Can I export these questions to Moodle?

Moodle XML and QTI 2.1 export are included on the Pro plan. PDF and DOCX export are on Plus, and the Free plan lets you study in the browser.

Is there a free plan to try it?

Yes. The Free plan includes 3 generations per month and browser study, and no credit card is needed to start.

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