Turn any addition worksheet up to 20 into flashcards with AI
Printable sheets are a fine start, but the sums your child needs most are on their own worksheets and class notes. Upload those and get a flashcard deck built from them.
Why a custom deck beats a generic printable
Addition flashcards up to 20 help a child move from counting on fingers to knowing sums by heart. Ready-made printables are fine for a quick start, but a deck built from the worksheet or textbook page your child actually uses matches what they practice in class. Upload that material and DeckOwl creates the cards for you.
- Use the same wording and layout as your child's worksheet so the practice feels familiar
- Group cards by fact family, such as 8 + 5 and 5 + 8, to show that order does not change the sum
- Keep sessions short and frequent rather than one long drill
- Export to Anki or PDF with a Plus plan when you want a printable copy
Built from your own pages
Upload a PDF, a photo of a worksheet, or typed notes, and get cards that match what your child is practicing this week.
Spaced repetition
Cards you miss come back more often, and the ones you know fade into longer gaps so study time stays on the sums that need work.
Study in the browser
The free plan lets you study your decks on any device with a browser, with no app to install and no credit card needed to start.
How it works
Upload your material
Add a PDF, DOCX, slides, notes, or a photo of a page. Text recognition reads handwritten and printed pages.
Review the cards
Check the generated addition facts up to 20 and keep the ones that match what your child is learning.
Study a little each day
Work through the deck in short sessions. Spaced repetition schedules the cards that need another look.
Work on one group of facts at a time. Start with adding zero and one, move to doubles like 6 + 6, then make-ten facts like 8 + 4, and finish with sums that cross 10 up to 20. Spaced repetition brings back the cards that are missed more often, so the easy ones stop taking up study time.
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Frequently asked questions
How many addition flashcards up to 20 should a child practice each day?
Most children do well with a short session of about 10 minutes, focused on a small set of cards they are still learning. Consistent short practice usually works better than one long drill once a week.
What order should kids learn addition facts up to 20?
A common order is adding 0 and 1, then doubles like 4 + 4, then make-ten facts like 9 + 3, and finally sums that pass 10 such as 8 + 7. Teachers often follow a similar sequence, so check your child's class materials.
Is the flashcard generator free to use?
Yes, the free plan includes 3 generations per month and lets you study in the browser. No credit card is needed to start.
Can I print my addition flashcards?
Printing and file exports such as PDF, DOCX, Anki, and CSV are part of the Plus plan, which is $99.90 per year or $9.99 per month. Students get 40% off with a school email.
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