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Turn a counting worksheet into number cards from 1 to 20 with pictures

Ready-made printable sets use pictures that may not match your child's lessons. DeckOwl builds number cards from your own chart, photo or notes, so the pictures match what is being taught.

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Printable cards with your own pictures

Pre-made sheets rarely show the pictures your child sees in class, so generating your own printable number flashcards 1 to 20 with pictures from a photo of a counting chart is often the better start.

Use pictures from your child's own worksheets or books
Pair each numeral with the number word and a matching count of objects
Keep sessions to 5 to 10 minutes with cards the child already knows mixed in
Print the set from the PDF export on Plus when you need paper copies

Example counting flashcards for ages 4 to 6, numbers 1 to 20

Picture of 5 ducks: what number is shown?5 (five). Touch and count each duck once, saying the number name last.

Write the number word for 12.Twelve. It is ten plus two, written as 12.

Picture of 8 ladybugs: what number comes just after 7?8 (eight). It is one more than 7, so add one ladybug to the group of 7.

What number comes just after 19?20 (twenty). It is one more than 19, and it is the first two-digit number ending in zero.

Picture of 14 stars grouped in tens and ones: how many tens and ones?1 ten and 4 ones, which makes 14. Grouping in tens helps children read teen numbers.

Generate the full set

Built from your material

Upload a PDF, slide deck, notes or a photo of a counting page, and the cards follow your pictures and wording.

Spaced repetition

Numbers the learner misses come back sooner, while the easy ones appear less often.

Print or export on Plus

The free plan studies in the browser. PDF export for printing is included in Plus at $39/year or $7.99/month.

How it works

Add your page

Upload a file or take a photo of a number chart or worksheet with 1 to 20 pictures.

Generate the cards

DeckOwl creates flashcards pairing each numeral with its word and picture.

Study or print

Practice in the browser on the free plan, or export a printable PDF with Plus.

Each card can show a numeral on one side and the matching count of objects, such as 7 apples, on the other. Upload several pages to cover the whole range, then study in short daily sessions.

Printing needs an export, which is a Plus feature. The free plan gives 3 generations per month and browser study, so you can test the cards before deciding.

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Frequently asked questions

Is printing the number cards free?

The free plan lets you study in the browser with 3 generations per month, but it has no exports. PDF export for printing is included in Plus at $39/year or $7.99/month.

How many number cards should a child study at once?

Start with 4 to 6 cards per session, mixing numbers the child knows with one or two new ones. Repeat the set daily in short sessions.

How do I teach numbers 1 to 20 with pictures?

Pair each numeral with the matching count of objects, say the number word aloud, and have the child touch each object while counting. Review the teens separately, since 11 to 19 follow a different pattern.

Can I upload a photo of a worksheet?

Yes. Photos of pages are read with text recognition, and PDFs, DOCX and PPTX files, plain notes and images can all be used.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.