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Turn your math notes into flash cards with AI

DeckOwl reads PDFs, slides, notes and photos of pages, then builds flashcards you can study in the browser right away.

Create flashcards nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates flashcards in seconds

Why make your own math flash cards

Ready-made math flash cards often cover a different curriculum than the one on your test, and themed sets can skip the steps your teacher actually grades. Upload your own worksheet or chapter and DeckOwl generates math flashcards from that exact material, so the formulas and problem types match what you will see.

Cards follow your own textbook or teacher's examples
Practice the steps you actually get wrong, not the whole deck
Photos of handwritten problems are read with text recognition
Free plan includes 3 generations per month with browser study

Example math flashcards for middle school algebra and arithmetic

What is the distributive property?a(b + c) = ab + ac, so the factor outside the parentheses multiplies each term inside.

What is the slope of a line through (0, 2) and (4, 10)?2, because slope = (10 − 2) ÷ (4 − 0) = 8 ÷ 4 = 2.

What is 7 × 8?56. One way to check it is 5 × 8 + 2 × 8 = 40 + 16.

What is the area of a triangle with base 6 and height 5?15, using A = ½ × base × height, which is half of a 6 × 5 rectangle.

What is a prime number?A whole number greater than 1 with exactly two factors, 1 and itself, such as 7.

Generate the full set

Built from your material

Upload a worksheet, chapter or photo of your notes and get cards that match the exact methods your class uses.

Spaced repetition

Cards you miss come back sooner, so practice time goes to the skills you have not locked in yet.

Quizzes and mind maps too

Turn the same material into multiple choice, true/false or short answer quizzes with explanations, or a mind map of the unit.

How it works

Upload your math material

Add a PDF, DOCX, PPTX, text file or photo of a page. Text recognition reads handwritten or printed problems from images.

Review the generated cards

Check each question and answer against your worked solutions, and edit or delete any card that does not match your teacher's method.

Study in the browser

Work through the deck with spaced repetition. Exports to PDF or Anki are available on Plus.

Spaced repetition brings back the cards you miss sooner, which helps with arithmetic facts and multi-step algebra alike. Check any answer against your worked solution before you trust it.

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Frequently asked questions

How many flashcards should I make for a math unit?

Most students do well with 20 to 40 cards per chapter, with one skill per card so each answer can be checked quickly. Start with definitions and worked examples, then add cards for the steps you keep missing.

What is the best way to study math flashcards?

Work out the steps on paper or say them aloud before you flip the card, then rate how hard it felt so spaced repetition can schedule it. Mix in problems that look different so you practice choosing the method, not just recalling it.

Can I get ready-made or printable math flash cards?

DeckOwl does not offer ready-made or printable sets. It builds cards from your own notes, worksheets or photos, and studying in the browser is included on the Free plan, while PDF export is a Plus feature.

Does DeckOwl cost anything to start?

The Free plan includes 3 generations per month and browser study, and no credit card is needed. Plus costs $39 per year or $7.99 per month and adds unlimited generations with PDF, DOCX, Anki and CSV export.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.