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Turn your lecture notes into Canvas numerical answer questions

Generate numeric quiz questions with exact answers, tolerances and explanations from your own PDFs, slides or notes.

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How numerical answer questions work in Canvas

Canvas quiz numerical answer questions accept a typed number instead of a chosen option, which suits calculations, unit conversions and dosage problems. You enter an exact value with a margin of error, or a minimum and maximum range, and Canvas marks a response correct when it falls inside that window.

  • Put units in the question stem so students know the form the answer should take.
  • Use a margin of error when students may round intermediate steps.
  • Use a range when the answer depends on significant figures.
  • Test each item by solving it yourself before you publish the quiz.
Example Canvas numerical answer quiz questions
In Canvas, what two ways can you set the accepted value for a numerical answer question?An exact value with a margin of error, or a minimum and maximum range. Either method lets students get credit for reasonable rounding differences.
Why set a margin of error on a Canvas numerical answer question?Students often round intermediate steps, so a tolerance keeps correct work from being marked wrong.
A question asks for 9.8 m/s² with a margin of 0.1. Which responses are accepted?Values from 9.7 to 9.9 inclusive. The margin applies on both sides of the exact answer.
Should a numerical answer question state its units in the question text?Yes. The grader checks the number only, so stating the units tells students what form to enter.
When is a range better than a single exact value with a margin?When several rounding choices are valid, such as accepting 3.1 to 3.2 for a value of 3.14159. A range lets you define the full set of acceptable answers directly.
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Exact answers and tolerances

Each numeric question comes with a target value and an accepted margin, so rounding differences do not cost students points.

Explanations for every item

Each question includes a short explanation of the calculation, so students see the reasoning behind the number.

Export for your LMS

Pro exports QTI 2.1 and Moodle XML files. Plus exports PDF and DOCX for printed or offline review.

How it works

Upload your material

Add a PDF, slide deck, DOCX or notes that contain the formulas and worked examples.

Choose numerical questions

Select the numerical question types you need, then review the generated values and tolerances.

Import or study

Export to QTI 2.1 on Pro, or study in the browser on the free plan.

Good numeric items need care. State the units and required precision in the question text, and set the tolerance wide enough to allow reasonable rounding but narrow enough to reject wrong methods. A quick check is to solve the problem two different ways and confirm both results land inside the window.

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Frequently asked questions

How precise should a numerical answer tolerance be?

Match the tolerance to the precision the topic teaches. A lab calculation may allow more variation than a unit conversion. Check one worked example before you set it.

What numerical answer questions suit a unit conversion topic?

Mix straight conversions with multi-step problems, such as converting grams to moles before a mass calculation. Ask for units in the stem so students know the expected form.

Can I import DeckOwl questions straight into Canvas?

Pro exports QTI 2.1 files, which you can import into Canvas if your instance accepts them. Test one quiz in a sandbox course before using the file with students.

Is there a free way to try it first?

Yes. The free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start. Exports are available on paid plans.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.