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Learn native Korean numbers with flashcards from your own notes

Upload the lesson PDF, slide deck or photo of your textbook page. DeckOwl pulls out the numbers and builds cards for hana through ahop, the tens, and the counter forms your class uses.

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Why native Korean numbers need their own practice

Korean learners often hit a wall with the native number set, because hana, dul, set and net change to han, du, se and ne before counters. A native Korean numbers flashcards deck makes those shifts visible one card at a time, so you stop guessing which form comes before 개, 명 or 살.

Keep the counter next to the number on the front, such as 두 명 or 세 마리, so the shortened form is practiced in context.
Group cards by range, one to ten first, then the tens, before you mix in clock hours and ages.
Add a card for each native form used with hours, like 세 시, since it differs from the Sino-Korean minute readings.
Review new cards daily for a short session rather than one long session each week.

Example native Korean numbers flashcards

How do you say one in native Korean before a counter, as in one item?한 (han) before counters, as in 한 개 (one item); 하나 (hana) when counting alone.

What is the native form of two before a counter, as in two people?두 (du), as in 두 명 (two people); 둘 (dul) is used when counting without a noun.

What is the native form of four before a counter, as in four years old?네 (ne), as in 네 살 (four years old); 넷 (net) is used when counting alone.

How do you say twenty in native Korean, and how does it change before a counter?스물 (seumul) when counting alone; 스무 (seumu) before counters, as in 스무 살 (twenty years old).

How do you say three o'clock in Korean?세 시 (se si), using the native 세 before the counter 시 for hours; minutes use Sino-Korean numbers.

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Cards from your own material

Upload a PDF, DOCX, PPTX, plain notes or a photo of a page, and get flashcards built from the exact vocabulary your teacher uses.

Spaced repetition

Cards you miss come back sooner, and the ones you know fade into longer review gaps, so the native set sticks.

Study in the browser

Start on the free plan with no credit card and review on any device with a browser. Exports to Anki, CSV, PDF and DOCX are part of Plus.

How it works

Upload your material

Add the lesson PDF, slides, handwritten notes or a clear photo of the number chart.

Generate your flashcards

DeckOwl reads the text and creates question and answer cards for each native number and counter.

Review on a schedule

Study the deck in the browser, and let spaced repetition bring back the numbers you find hardest.

The set is also easy to lose track of once you move past one to ten. Twenty becomes seumul and then seumu before 살, and the tens from thirty to ninety each have their own form. Building cards from your own class notes keeps the drills tied to the vocabulary your teacher actually covers.

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Frequently asked questions

When do Korean speakers use native numbers instead of Sino-Korean ones?

Native numbers are used for counting objects and people, for ages, and for the hour on a clock. Sino-Korean numbers cover dates, money, minutes, phone numbers and most larger figures.

How many native number cards should I make to start?

Start with one through ten, then the tens from twenty to ninety, since those cover most everyday counting. Add counter forms and clock hours after that base set feels solid.

Can I export my Korean number cards to Anki?

Yes, but export is a paid feature. Plus costs $39/year or $7.99/month and includes Anki, CSV, PDF and DOCX export along with unlimited generations.

Is there a free way to try it first?

Yes, no credit card is needed to start. The free plan includes 3 generations per month and studying in the browser, with no exports.

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