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Make math trivia from the notes you already have

Upload a PDF, slide deck, document or photo of a page, and DeckOwl writes trivia questions with clear answers and explanations you can review before the round.

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Making trivia from your own material

Teachers and game hosts often find that how to make math trivia is simpler than it looks once they have good source material. Start with the notes, slides or textbook pages your group already uses, since the questions should match what has been covered. DeckOwl reads PDFs, DOCX, PPTX, plain text and photos of pages, then writes multiple-choice and true/false questions with explanations you can check before the round.

  • Keep each question focused on one concept so the answer is not ambiguous.
  • Use the explanation field to teach the reasoning behind the answer.
  • Mix easy and hard questions so every player has a chance to score.
  • Review the generated set once before the round to remove anything off topic.
Example math trivia questions with answers
What is the only even prime number?2, because it is divisible only by 1 and itself, while every other even number is divisible by 2.
What is the sum of the interior angles of a triangle?180 degrees, which holds for every triangle in Euclidean geometry.
What is pi to two decimal places?3.14, the ratio of a circle's circumference to its diameter.
How many sides does a hexagon have?Six, so a regular hexagon has interior angles of 120 degrees each.
Is zero a natural number?It depends on the convention, since many textbooks include zero and others start counting at 1.
Generate the full set

Built from your material

Questions come from the pages you upload, so the trivia matches what your group actually covered.

Multiple-choice and true/false

Pick the question style that fits the round, and get an explanation with every answer for quick review.

Study in the browser

Run a round or drill the questions yourself on the free plan, with no credit card needed to start.

How it works

Upload your source

Add a PDF, DOCX, PPTX, plain text notes or a photo of a textbook page.

Choose question types

Select multiple-choice, true/false or open questions and how many you want.

Review and run the round

Check each question and explanation, remove any you do not want, then start the game.

Good trivia depends on clear answers and useful explanations. Each question should test one idea, and the explanation should show why the answer is right so players learn from misses as well as hits.

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Frequently asked questions

How many questions should a math trivia round have?

Most rounds work well with 10 to 20 questions, which keeps the pace steady and leaves time for discussion. You can generate a larger set and pick the strongest ones for the round.

What makes a math trivia question good?

A good question has one clear correct answer, a short prompt, and a brief explanation that shows the idea behind it. Questions that test understanding are more useful than ones that only check memorized facts.

Is DeckOwl free to try?

Yes, the free plan includes 3 generations per month and studying in the browser. No credit card is needed to start.

Can I export the questions for a class?

PDF and DOCX export are included in the Plus plan at $39/year or $7.99/month. QTI 2.1 and Moodle XML export are part of the Pro plan at $14.99/month.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.