Turn your addition worksheets into printable flashcards
Upload a worksheet, class notes or a photo of a page. DeckOwl builds addition flashcards you can review with spaced repetition.
Why a custom addition set beats a generic printable
Plenty of parents and teachers search for printable addition flashcards as a PDF, and a generic sheet can help with basic facts. A set built from the worksheet your child brought home targets the exact problems they keep missing, such as sums that cross ten or two-digit carrying. Upload that file and DeckOwl turns it into cards you can review.
- Cards drawn from the worksheets and notes you already have
- Spaced repetition that brings back the facts still giving trouble
- Photos of paper pages read with text recognition
- PDF export available on the Plus plan
Built from your own worksheets
Upload a PDF, DOCX, slide deck, text file or photo of a page. The flashcards match the exact problem types your class is using.
Spaced repetition
Cards you miss come back sooner, and the ones you know fade into longer gaps, so practice time goes to the facts that need it.
PDF export on Plus
Plus includes PDF, DOCX, Anki and CSV export, so you can print a set once it is ready. The free plan studies in the browser.
How it works
Upload your material
Add a worksheet, notes or a photo of a page. Images are read with text recognition.
Generate your flashcards
DeckOwl creates flashcards from the content, which you can review before studying.
Study or print
Practice in the browser with spaced repetition, or export to PDF on the Plus plan.
Free accounts get 3 generations per month and study in the browser with no credit card needed. PDF export is part of the Plus plan, so you can print the finished set. Students with a school email get 40% off.
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Printable Addition Flashcards 1 to 20
Custom addition cards for 1 to 20 from your own worksheet or notes.
Frequently asked questions
How many addition flashcards should a child practice at once?
Most young learners do well with 10 to 20 new cards per session, with the rest of the set reviewed in short mixed rounds. Keep sessions brief and frequent rather than long and infrequent.
Should kids learn to add within 10 before moving to two-digit addition?
Yes, most teachers recommend that fluency with sums to 10 and 20 comes first, since those facts support making-ten strategies and carrying. Check your child's worksheet for the skills it assumes.
Can I export my addition flashcards as a PDF?
PDF export is available on the Plus plan at $99.90/year or $9.99/month. The free plan lets you study the flashcards in the browser but does not include exports.
Do I need a credit card to try DeckOwl?
No, you can start without a credit card. The free plan includes 3 generations per month.
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