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Turn your lecture formulas into Canvas quiz questions

Upload a PDF, slides or notes and get multiple-choice, true/false or short answer questions with explanations. Start free, no credit card needed.

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How to write formula questions that test understanding

Good canvas formula quiz questions ask students to choose, apply or interpret a formula, not just recall its letters. A question that gives values for variables and asks for the result checks whether a student knows what each term means and how units behave.

  • Keep one formula per question so a wrong answer points to one specific idea.
  • State units and variable definitions in the question text.
  • Use distractors that reflect real errors, such as dropping a term or misplacing an exponent.
  • Read each explanation before you publish, especially for multi-step calculations.
Example physics and statistics formula questions
What is the formula for kinetic energy?KE = ½mv², where m is mass and v is velocity, because kinetic energy depends on the square of speed.
What is the area of a circle with radius r?A = πr², since area grows with the square of the radius.
What does the ideal gas law state?PV = nRT, which relates pressure, volume, moles of gas and absolute temperature in kelvin.
What is the compound interest formula for n compounding periods per year?A = P(1 + r/n)^(nt), because interest is added to the balance and then earns interest in later periods.
What is the standard error of the mean?SE = s/√n, where s is the sample standard deviation and n is the sample size, because variability shrinks as the sample grows.
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Formulas from your own material

Questions come from the formulas and worked examples in your uploaded course files, not generic textbook problems.

Explanations on every answer

Each question includes a short explanation, so you can check the reasoning behind a formula before it reaches students.

Export for your LMS

Pro plan exports QTI 2.1 and Moodle XML, so you can move finished question sets into your learning management system.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text notes or photos of pages. Text recognition reads the formulas on scanned pages.

Choose the question types

Pick multiple-choice, true/false or short answer. Each question is written from the formulas in your files.

Review and export

Check the questions and explanations, then study in the browser or export them for your course on a paid plan.

DeckOwl reads your slides or lecture notes and turns the formulas they contain into practice items. You still decide which formulas matter for the unit, and you can edit wording, answer choices or explanations before using them.

For a quiz that moves cleanly into your course, keep one formula per question, state the units in the prompt, and make distractors reflect common mistakes such as swapping a square with a square root.

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Frequently asked questions

How do I write a good formula question for a Canvas quiz?

Give the variable values in the prompt, ask for one specific quantity, and make sure the units are stated. Use wrong answers that match common mistakes, like forgetting to square a term.

How many formula questions should a quiz include?

Most practice quizzes work well with 5 to 10 questions on one topic, so students can finish in a single sitting and review the explanations. Mix recall with application problems to test whether they can use the formula.

Can I export these questions to Canvas?

Exports are a paid feature. The Pro plan includes QTI 2.1 and Moodle XML export, and you should confirm your Canvas instance accepts the QTI file before relying on it.

Is there a free plan?

Yes. The free plan includes 3 generations per month and lets you study in the browser, but it does not include exports.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.