Turn a counting worksheet into number flashcards to 20
Skip hunting for a printable set. Upload your own counting sheet, photo or notes and get flashcards for 1 through 20 in minutes.
How to make number flashcards to 20 from your own pages
Many parents and teachers start with a worksheet covering 1 to 20 and want number flashcards to 20 that match it. A generic printable set rarely lines up with the exact pictures, counting style or numbers your child is working on.
- Count forward and backward from 1 to 20 with one card per number.
- Match numerals to number words, such as 12 and twelve.
- Pair each number with a dot or object picture from your worksheet.
- Review missed numbers first so 13 and 18 get extra practice.
Built from your material
Upload a worksheet, slides or a photo of a page. Photos are read with text recognition, so the cards follow what is actually on your page.
Spaced repetition
Numbers you miss come back sooner, so tricky ones like 14 and 19 get more practice until they stick.
Export when you upgrade
Plus exports to PDF so you can print your set. The free plan lets you study in the browser.
How it works
Add your source
Upload a PDF, DOCX, PPTX, text notes or a photo of a counting page.
Generate the cards
DeckOwl writes flashcards from the numbers and examples in your material.
Study and print
Review with spaced repetition in the browser, then export to PDF on Plus if you want paper copies.
DeckOwl works from your material instead. Upload the worksheet, a photo of the page or your own notes, and the flashcards follow what is on it, such as asking what number comes after 14 and showing 15 on the back.
Keep sessions short and daily, and review missed cards first. Spaced repetition brings the hardest numbers back more often, which helps counting skills hold up across days.
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Frequently asked questions
How many number flashcards should a child practice at once?
Start with a small group, such as 1 to 5, and add a few more numbers once those feel easy. Short daily sessions usually work better than one long session.
What is a good way to teach the teen numbers from 11 to 20?
Teen numbers are easier to learn when shown as one ten plus ones, such as 13 being one ten and three ones. Cards that pair the numeral with blocks or dots help the pattern stick.
Can I print my flashcards?
Exporting is a paid feature. The free plan lets you study in the browser, and Plus exports to PDF, DOCX, Anki and CSV.
Does DeckOwl cost anything to start?
No credit card is needed to start. The free plan includes 3 generations per month, and students get 40% off Plus with a school email.
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