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Lesson 2 Notes

πŸ‡°πŸ‡· Beginner Korean Lesson Notes: Lesson 2

In Korean, there are two distinct number systems that are used in different situations:

  1. Native Korean Numbers (κ³ μœ μ–΄ 수)
  2. Sino-Korean Numbers (ν•œμžμ–΄ 수)

Native Korean Numbers (κ³ μœ μ–΄ 수)

These are used for counting general items, people's ages, and the hour in time. Native Korean numbers are typically only used for numbers 1 through 99. For 100 and above, Sino-Korean numbers are used instead.

Numbers 1-10

NumberKorean
1ν•˜λ‚˜
2λ‘˜
3μ…‹
4λ„·
5λ‹€μ„―
6μ—¬μ„―
7일곱
8μ—¬λŸ
9아홉
10μ—΄

Tens

  • 20: 슀물
  • 30: μ„œλ₯Έ
  • 40: λ§ˆν”
  • 50: μ‰°
  • 60: 예순
  • 70: 일흔
  • 80: μ—¬λ“ 
  • 90: 아흔

Combining Numbers: To form numbers like 11, 12, etc., you simply add the single-digit number after μ—΄ (10). For example, 11 is μ—΄ν•˜λ‚˜ (10 + 1).


Sino-Korean Numbers (ν•œμžμ–΄ 수)

Derived from Chinese characters, these are used for dates, money, phone numbers, minutes and seconds, and any number 100 or higher.

Numbers 1-10

NumberKorean
1일
2이
3μ‚Ό
4사
5였
6윑
7μΉ 
8νŒ”
9ꡬ
10μ‹­

Higher Numbers

  • 100: λ°±
  • 1,000: 천
  • 10,000: 만
  • 1,000,000: 백만

Combining Numbers: These are formed logically by combining the larger units. For example, 20 is 이십 (two-ten), and 732 is 칠백삼십이 (seven-hundred-three-ten-two).


When to Use Which System 🧐

SituationUse Native Korean NumbersUse Sino-Korean Numbers
Age슀무 μ‚΄ (20 years old)Not usually used
Counting People두 λͺ… (2 people)Not used
Counting Things사과 λ‹€μ„― 개 (5 apples)Not used
Time (Hours)μ„Έ μ‹œ (3 o'clock)Not used
Time (Minutes/Seconds)Not used였 λΆ„ (5 minutes)
Dates (Y/M/D)Not used2025λ…„ 9μ›” 1일
Phone NumbersNot used곡일곡 (010)
Money / PriceNot used였천 원 (β‚©5,000)
School GradesNot used일학년 (1st grade)

Korean Counters

When counting anything in Korean, you use a specific "counter" word after the number. The counter determines which number system to use.

CounterMeaning / UsageNumber SystemExample
개General thingsNative Korean사과 μ„Έ 개 (3 apples)
λͺ…PeopleNative Korean학생 두 λͺ… (2 students)
μ‚΄Age (years old)Native Korean슀무 μ‚΄ (20 years old)
μ‹œHour (time)Native Korean열두 μ‹œ (12 o'clock)
λΆ„MinutesSino-Koreanμ‹­μ˜€ λΆ„ (15 minutes)
초SecondsSino-Koreanμ‚Όμ‹­ 초 (30 seconds)
마리AnimalsNative Koreanκ°•μ•„μ§€ 두 마리 (2 dogs)
ꢌBooksNative Koreanμ±… μ„Έ ꢌ (3 books)
μž”Cups, glassesNative Korean컀피 두 μž” (2 cups)
병BottlesNative Koreanλ¬Ό 두 병 (2 bottles)