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Get maths class flashcards from the notes and slides you already have

Upload your maths class notes, slides, PDFs or photos of the board. DeckOwl builds flashcards from your material and schedules reviews with spaced repetition.

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

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How maths class flashcards help you remember the methods

Most maths classes move quickly from one method to the next, and by the time a test arrives, the rules for solving equations or the steps of a proof have blurred together. Maths class flashcards give you short, repeatable prompts for each rule, so you practice recall instead of rereading worked examples.

Turn each theorem, formula, or definition from a unit into its own card
Make the front a prompt you can answer aloud, such as a question or a term
Review the hardest cards first, then finish with a short mixed set
Check every generated card against your textbook before a test

Example maths class flashcards for algebra and geometry

What is the quadratic formula?x = (-b ± √(b² - 4ac)) / 2a, which gives the solutions of ax² + bx + c = 0.

What does the Pythagorean theorem state?In a right triangle, a² + b² = c², where c is the hypotenuse opposite the right angle.

What is the derivative of sin(x)?cos(x). The derivative of cos(x) is -sin(x).

What is the mean of a data set?The sum of all the values divided by the number of values in the set.

What is the slope-intercept form of a line?y = mx + b, where m is the slope and b is the y-intercept.

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Built from your own material

Upload PDFs, DOCX or PPTX files, plain notes, or photos of pages. Text recognition reads images, so handwritten-scan worksheets work too.

Spaced repetition scheduling

Cards you miss come back sooner and cards you know drop out of rotation, so review time goes to the formulas you still struggle with.

Export when you need it

Study in the browser on the free plan. Plus adds PDF, DOCX, Anki and CSV export for printing or moving decks into other apps.

How it works

Upload your maths material

Add a unit's lecture slides, a PDF of the textbook section, or a photo of your notes.

Review the generated cards

Check the questions and answers against your class notes, then delete or edit any card that needs fixing.

Study on a spaced schedule

Open the deck each day and rate how well you recalled each card. Hard cards repeat more often.

DeckOwl reads your own lecture slides and notes, so the cards match the notation and examples your teacher used. Write the answer from memory, then check it. Spaced repetition brings back the cards you miss, which is where most of the practice time should go.

Keep the decks small and tied to one unit at a time. Ten to twenty cards per topic is easier to finish than one huge deck, and you can add a new set after each class.

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Frequently asked questions

How many flashcards should I make for a maths unit?

Aim for one card per formula, definition, or method, which usually means somewhere between 15 and 30 cards for a single unit. Smaller decks are easier to review daily and keep the focus on the steps you need to recall.

What is the best way to study maths flashcards?

Try to solve or state the answer before flipping the card, and write out working for procedural cards. Spaced review works best when you attempt every card rather than just reading the back.

Can I export my maths flashcards?

Export is a paid feature. The Plus plan includes PDF, DOCX, Anki and CSV export, and the free plan lets you study decks in the browser.

Do I need a credit card to start?

No. You can start on the free plan without a credit card, which includes 3 generations per month. 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.