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Turn your math notes into revision flashcards with AI

Upload a PDF, slides, notes or a photo of a worked problem set. DeckOwl builds flashcards from your own material so you revise what your class actually covered.

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 generate your own math revision flashcards

Printed math revision flashcards tend to cover a generic syllabus, not the specific methods, worked examples and notation your teacher used. Making your own from your notes keeps the cards aligned with what will appear in the exam.

Use your own lecture slides and past paper solutions as source material
Put one formula or method step on each card rather than whole solutions
Include the units, conditions or domain restrictions in the answer
Review missed cards the same day, then let spaced repetition space them out

Example math revision flashcards: algebra, geometry and probability

What is the quadratic formula?x = (−b ± √(b² − 4ac)) / 2a, which solves ax² + bx + c = 0 when a is not zero.

What is the derivative of sin(x)?cos(x). The derivative of cos(x) is −sin(x), so the pattern repeats every four derivatives.

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

What is the sum of the interior angles of a triangle?180 degrees. This holds in Euclidean geometry and is the basis for angle results on polygons.

What is the probability of two heads in two fair coin flips?1/4, because each flip has a 1/2 chance and the flips are independent, so the probabilities multiply.

Generate the full set

Built from your material

Flashcards come from the PDFs, slides, notes or images you upload, so formulas and examples match your course.

Spaced repetition

Cards you find hard come back sooner, and easy ones spread out, so you spend less time re-reading the same facts.

Quizzes and mind maps too

Switch to multiple choice, true/false or short answer quizzes with explanations, or map how topics connect.

How it works

Upload your material

Add a PDF, DOCX, PPTX, text notes or a clear photo of a page. Photos are read with text recognition.

Generate your cards

DeckOwl turns the content into flashcards. Review them and edit anything that needs correcting.

Study on a schedule

Work through the deck in the browser. Spaced repetition decides when each card returns.

Start with the topics you find least familiar, such as completing the square or reading a probability tree. Keep each card to one formula, definition or method step so you can test yourself quickly, then revisit the cards you missed.

Free accounts get 3 generations per month and browser study. Plus adds unlimited generations and export to PDF, DOCX, Anki and CSV for paper practice or another app.

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Frequently asked questions

How many flashcards should I make for math revision?

Start with one deck per topic, around 20 to 40 cards, so each session stays manageable. Add more as you cover new material and cut cards you no longer miss.

What math topics work best as flashcards?

Formulas, theorems, definitions, identities and standard methods work well because each has a clear question and answer. Multi-step proofs are better practiced as worked problems alongside the cards.

Can I export my math flashcards to Anki?

Yes, export to Anki is included on the Plus plan, which also supports PDF, DOCX and CSV export. The free plan lets you study flashcards in the browser with 3 generations per month.

Do I need a credit card to try DeckOwl?

No, you can start on the free plan without a credit card. Students with a school email get 40% off paid plans.

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Review the main ideas visually or practice recalling them.