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Turn your own math notes into printable flashcards

Upload a PDF, slides, a DOCX, or a photo of a worksheet and get a custom flashcard deck that matches what your class actually covers.

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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 build your own printable math flashcards

Most printable math flashcard sheets online are generic, so the problems rarely match the method your teacher used in class. DeckOwl takes your own material and builds printable math flashcards from it, whether that is a PDF of lecture slides, a DOCX of notes, or a photo of a worksheet.

Cards match the exact theorems, formulas and definitions in your own course material.
Photos of pages are read with text recognition, so worksheets can be used without retyping.
Spaced repetition schedules harder cards more often.
PDF export on the Plus plan lets you print the deck; the free plan studies in the browser only.

Example algebra and geometry flashcards

What is the quadratic formula?x = (-b ± √(b² - 4ac)) / 2a, which solves 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 area of a circle?πr², where r is the radius, because the area grows with the square of the radius.

What is the sum of the interior angles of a triangle?180 degrees, which holds for every triangle in flat Euclidean geometry.

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

Generate the full set

Built from your material

Cards come from the formulas, definitions and examples in your own files, not a generic set of problems.

Spaced repetition

Harder cards come back more often, so time goes to the formulas you still miss.

PDF export on Plus

Export your deck to PDF and print it for practice away from the screen. The free plan studies in the browser.

How it works

Upload your material

Add a PDF, slides, notes, or a photo of a textbook or worksheet page.

Review the cards

Check the generated front and back of each card and fix anything that does not match your class.

Print or study

Export to PDF on Plus and print the deck, or study it in the browser with spaced repetition.

Cards are scheduled with spaced repetition, so the formulas you find hard show up more often than the ones you already know. Printed copies work well for practice away from a screen, and the same deck stays available in the browser for daily review.

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Frequently asked questions

How many flashcards should I make for a math unit?

Make one card for each formula, definition, or solved step you need to recall. Split long chapters into several smaller decks so you can review them in short sessions.

What math topics work best as flashcards?

Formulas, theorems, identities, and definitions work well because each has a clear question and answer. Multi-step procedures are better practiced with worked problems on the back of the card.

Can I print the flashcards?

Yes, on the Plus plan you can export your deck to PDF and print it. The free plan lets you study in the browser but does not include exports.

Can DeckOwl use photos of math worksheets?

Yes, photos of pages are read with text recognition, so you can upload a snapshot of a worksheet or textbook page instead of typing it out.

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Keep exploring the topic

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