See number flashcard examples, then make your own from notes
Sample cards for common number topics, plus an AI generator that builds a deck from your own worksheets, slides or photos.
What good number flashcards look like
Number flashcards work best when each card asks one precise question, and number flashcard examples make that easy to see. Place value, prime numbers and number bonds each show a different pattern you can drill with a short deck.
- Keep one fact per card so you know exactly what you missed.
- Write the answer as a number or a short calculation, not a sentence.
- Mix related types, such as place value and expanded form, in the same session.
- Redo missed cards the same day, then again a few days later.
Cards from your own material
Upload a PDF, DOCX, PPTX, text notes or a photo of a page, and get flashcards built from that material.
Spaced repetition
Cards you miss come back sooner, so number facts stick without rereading the whole deck.
Browser study on Free
The Free plan includes 3 generations per month and studying in the browser with no credit card needed.
How it works
Upload your material
Add a worksheet, lecture slides, notes or a photo of a textbook page.
Review the cards
Check the generated questions and answers, and edit any that need tightening.
Study on a schedule
Use spaced repetition to revisit number facts right before you forget them.
Once you see the format, upload your own worksheet, lecture slides or photo of a textbook page and DeckOwl turns it into flashcards with spaced repetition. The Free plan includes 3 generations per month for studying in the browser.
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Frequently asked questions
How many number flashcards should I make for a test?
Start with the facts from one lesson, usually 20 to 40 cards, and add more once you answer most of them quickly. Spaced repetition then brings the hard ones back more often.
How do I study place value with flashcards?
Put a multi-digit number on the front and ask which digit is in the hundreds place on the back. Then add expanded form questions so you can practice both directions.
Can I export number flashcards to Anki?
Yes, Anki export is included in the Plus plan, which costs $39 per year or $7.99 per month. The Free plan lets you study in the browser but does not include exports.
Can DeckOwl make flashcards from a photo of a worksheet?
Yes, images of pages are read with text recognition, so a photo of a worksheet can become flashcards. Students get 40% off with a school email.
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