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Study math facts with free online flashcards made from your own notes

Upload a worksheet, slide deck or set of notes and get math flashcards you can drill in any browser, with no software to install.

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Free account · 3 sets a month · Creates flashcards in seconds

Why free online math flashcards work for practice

Math drills work best when you see each fact repeatedly and get quick feedback, and free online math flashcards let you do that from a phone, tablet or laptop without installing anything.

  • Cards generated from PDFs, DOCX files, slides, notes and photos of pages
  • Question-and-answer format that works for facts, formulas and word problems
  • Free browser study with 3 generations per month on the free plan
  • Spaced repetition, exports to Anki and CSV, and unlimited generations on Plus
Example math flashcards for grades 3 to 8
What is 7 times 8?56
What is the area of a triangle with base 10 and height 6?30, because area equals one half times base times height
What is 3/4 + 1/8?7/8, after rewriting 3/4 as 6/8
What is the sum of the interior angles of a hexagon?720 degrees, using (n minus 2) times 180 with n equal to 6
What is 2 to the power of 5?32, because 2 multiplied by itself 5 times equals 32
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Cards from your own material

Upload a PDF, slides, notes or a photo of a page, and get cards built from the exact problems and terms you need to learn.

Free browser study

The free plan includes 3 generations per month and studying in the browser, so you can start practicing right away.

Spaced repetition on Plus

Plus adds spaced repetition, so the math facts you miss come back more often until they stick.

How it works

Upload your math material

Add a PDF, DOCX, slide deck, text notes or a photo of a worksheet.

Generate your flashcards

The AI writes question-and-answer cards from the content you provided.

Drill online

Flip through the cards in your browser and mark the ones you missed so you can review them again.

A flashcard drill is only as useful as its content. Cards made from your own textbook chapter, class slides or homework problems match what your teacher will test, which a generic deck often misses.

Keep each session short, say the answer out loud before you flip the card, and sort the cards into known and missed piles so the missed ones get the most attention.

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Frequently asked questions

How many math flashcards should I study in one session?

Most students do well with 15 to 25 cards per session, then review the missed ones separately. Short, frequent sessions usually beat one long cram.

What is the best way to drill multiplication facts with flashcards?

Say the answer out loud before you flip the card, and check it right away. Keep a separate pile for the facts you miss so they get extra reps.

Is DeckOwl free to use for math flashcards?

Yes, the free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start. Exporting to PDF, DOCX, Anki or CSV is part of the paid Plus plan.

Can I turn a photo of my math homework into flashcards?

Yes, photos of pages are read with text recognition, so a snapshot of worksheet problems can become cards. Check the generated answers before you study, since the cards are only as accurate as the text they came from.

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Review the main ideas visually or practice recalling them.