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The best math flashcards come from your own notes

Generic decks rarely match your course. Upload your textbook chapter, lecture slides or handwritten notes and get flashcards you can review with spaced repetition.

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Why your own material beats a generic deck

Generic decks rarely use the same notation, examples or chapter order as your class, so the best math flashcards are usually the ones built from your own textbook chapter or lecture slides.

  • Cards come from the exact notation and examples in your course
  • Spaced repetition schedules reviews around what you forget
  • Works with PDFs, slides, DOCX, plain text and photos of pages
  • The free plan includes 3 generations per month with browser study
Example algebra flashcards
What is the quadratic formula?x = (-b ± √(b² - 4ac)) / 2a for ax² + bx + c = 0.
What is the slope-intercept form of a line?y = mx + b, where m is the slope and b is the y-intercept.
What does the Pythagorean theorem state?In a right triangle, a² + b² = c², where c is the hypotenuse.
What is the derivative of sin(x)?cos(x), because the derivative of sine is cosine.
What is the integral of 1/x with respect to x?ln|x| + C, for x not equal to zero.
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Built from your material

Upload PDFs, DOCX files, PPTX slides, plain text notes or photos of pages. Text recognition reads the math as it appears in your course.

Spaced repetition

Cards you miss come back sooner and cards you know fade into longer intervals, so practice time goes to the formulas you are still shaky on.

Study in the browser

Start free with no credit card. Review flashcards on any device without installing an app.

How it works

Upload your notes

Add a PDF, slide deck, document, text file or photo of your math notes.

Generate flashcards

DeckOwl pulls out terms, formulas and worked answers and turns them into cards.

Review on a schedule

Study the deck with spaced repetition and let the timing adjust to what you forget.

Good math cards test the step as well as the answer. A card that asks for the formula, the condition for using it, or the first move on a problem tends to build more reliable recall than a card with only a final number.

Start with one chapter, review it for a few days, then add the next. Keeping each deck tied to a single unit makes it easier to spot gaps before a quiz or exam.

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Frequently asked questions

How many math flashcards should I make for one exam chapter?

Most students do well with 20 to 40 cards per chapter, focusing on definitions, formulas and one card per solution step that is easy to forget. Add more cards only where you keep missing answers.

Should math flashcards show worked steps or just the final answer?

Put the method on the back when the reasoning matters, such as the first step of a proof or the rule to apply. Keep the answer alone for memorized facts like trig identities or unit conversions.

Can I export my math flashcards to Anki?

Yes, but export is a paid feature. The Plus plan includes PDF, DOCX, Anki and CSV export along with unlimited generations and spaced repetition.

Is there a free plan to try it first?

Yes. The free plan gives you 3 generations per month and browser study, and no credit card is needed to start. Students with a school email get 40% off paid plans.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.