Turn your 0 to 20 addition worksheet into flashcards with AI
Ready-made printables are fine, but a set made from the exact problems your child or class is practicing works better. DeckOwl reads your PDF, slides, notes or photos and writes addition cards you can study in the browser for free. Printing is part of the Plus plan.
Custom addition practice beats a generic printable
Free printable sheets are easy to find, but they rarely match the facts your class covered this week. Study with addition flash cards covering 0 to 20 made from the exact worksheet you were given. Upload the PDF or a photo of the page, and DeckOwl reads the text and writes the cards.
- Sums from 0 to 20, including doubles like 6 + 6 and 9 + 9
- Works with PDF, DOCX, PPTX, notes or photos of a page
- Cards study in the browser on the free plan
- Plus adds PDF export for a printable paper set
Built from your material
Upload a worksheet PDF, slides, notes or a photo of a page and get cards that match what you are practicing.
Spaced repetition
Cards you miss come back sooner, so the sums that slow you down get more practice.
Free to start
The free plan includes 3 generations per month and studying in the browser. No credit card needed.
How it works
Add your source
Upload a PDF, DOCX, PPTX, text notes or a photo of a worksheet.
Generate the cards
DeckOwl creates flashcards from the addition problems in your material.
Study and review
Work through the cards in your browser. Missed facts return on a spaced schedule.
Printing is the one part that needs the Plus plan. Plus is $99.90 a year or $9.99 a month and adds PDF and DOCX export, so you can print a set for a paper drill. The free plan keeps everything in the browser, with 3 generations per month.
Spaced repetition handles the rest. Facts that come back wrong show up again sooner, which helps early learners move from counting on their fingers to knowing sums like 8 + 7 at a glance.
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Frequently asked questions
How many addition facts should a flash card set cover at once?
Many early learners do well with 10 to 15 facts at a time, starting with sums to 10 before moving on to sums from 11 to 20. Mixing in facts they already know keeps practice varied without overwhelming them.
What is the best way to practice addition facts from 0 to 20?
Short daily sessions of five to ten minutes usually work better than one long drill. Have the learner say each answer aloud, check the card, and repeat missed facts until they come quickly.
Can I print the flash cards DeckOwl makes?
Printing and PDF export are on the Plus plan, which costs $99.90 a year or $9.99 a month. The free plan lets you study the cards in your browser with 3 generations per month.
Do I need a credit card to try it?
No. You can start on the free plan without a credit card, and students with a school email get 40% off Plus.
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