Turn any PDF into number flashcards from 1 to 20 with pictures
Skip the generic printable. Upload your own worksheet, slides or photo of a picture page, and get flashcards for 1 to 20 that match what the child already sees in class.
Why a custom set beats a generic printable
Teachers and parents often start by hunting for a printable PDF of number flashcards 1-20 with pictures, then find the layout does not match the counting words or drawings used in class. A set built from your own worksheet keeps the same style, so the child sees pictures they already recognize.
- Numbers 1 to 20 as digits and number words
- Pictures and labels taken from your own pages
- Spaced repetition so missed numbers return sooner
- Printable PDF export on the Plus plan
Your own material
Upload a PDF, DOCX, PPTX, notes or a photo of a worksheet and get cards built from that page.
Spaced repetition
Cards you miss come back sooner, so the numbers stick across short daily sessions.
Export when you need print
Plus exports PDF, DOCX, Anki and CSV, so you can print a finished set for the table.
How it works
Upload your pages
Add a PDF, a photo or notes that show the numbers, words and pictures you want to use.
Generate cards
DeckOwl reads the text in your files and makes flashcards from the numbers and labels it finds.
Study or export
Practice in the browser on the free plan, or export to PDF on Plus when you need paper.
The generator reads the text in your files, including digits, number words and labels, and turns them into cards. Photos of printed pages are read with text recognition, so a snapshot of a worksheet works too. Picture-only pages without any labels will produce fewer cards, so add a caption or the number word where you can.
For daily practice, flip through the cards in the browser on the free plan, which allows 3 generations per month. Plus adds unlimited generations and PDF export for printing at $39 per year or $7.99 per month.
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Frequently asked questions
How do I teach numbers 1 to 20 to a young child?
Count objects one at a time while touching each one, and pair the digit with its word and a picture of that many items. Short sessions of 5 to 10 minutes are easier to keep up than one long session.
How many new numbers should a child learn at once?
Many teachers start with 3 to 5 new numbers and review the earlier ones each day. Add more once the child names each one without hesitation.
Can I print the flashcards as a PDF?
Yes, PDF 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 it does not include exports.
Do I need a credit card to try it?
No. You can start on the free plan with 3 generations per month and no credit card.
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