Turn your Japanese number notes into printable flashcards
Upload a PDF, slides, notes or a photo of a worksheet. DeckOwl builds flashcards you can study in the browser or export as a printable PDF on Plus.
Why build your own printable set
Ready-made number charts are fine for a first look, but a set made from your own worksheet or lecture slides matches what you will be tested on. Upload the material and DeckOwl writes a set of printable Japanese numbers flashcards that covers the readings you were taught, including the tricky ones like 4, 7 and the sound changes in 300 and 800.
- Print a PDF of cards on Plus, sized for flipping or cutting
- Cards cover 1 to 10, the tens, hundreds and thousands from your notes
- Alternate readings like yon and shi get their own cards
- Export to Anki later if you want to keep studying digitally
Built from your material
Cards come from the readings your teacher or textbook used, not a generic number chart.
Spaced repetition
Cards you miss come back sooner, so the alternate readings like yon and shi stick.
Quizzes and mind maps too
Turn the same notes into multiple choice or true/false quizzes to test recall before a exam.
How it works
Upload your notes
Add a PDF, slide deck, text file or a photo of a page. Photos are read with text recognition.
Generate the flashcards
DeckOwl creates question-and-answer cards for the numbers and readings in your material.
Study or print
Study in the browser for free, or export a printable PDF on Plus.
The free plan gives you 3 generations per month and lets you study the cards in the browser. Printing a PDF, exporting to Anki or CSV, and unlimited generations are part of Plus at $39 a year or $7.99 a month. Students get 40% off with a school email, and no credit card is needed to start.
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Frequently asked questions
How many flashcards should I make for Japanese numbers?
Start with 1 to 10, then 20, 100 and 1000, plus the hundreds that appear in your notes, such as 300 and 800. Around 30 cards covers the core system, and you can add more as your material grows.
Which Japanese number readings are hardest to memorize?
The alternate readings cause the most confusion: 4 is yon or shi, 7 is nana or shichi, and 9 is kyuu or ku. Practice them in context, such as telling time, prices and phone numbers.
Can I print these flashcards?
Yes, a printable PDF is an export, and exports are included in Plus at $39 a year or $7.99 a month. The free plan lets you study the cards in the browser.
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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