Exercises
Learn how Korean numbers change according to context. This quiz covers Native Korean and Sino-Korean numbers, common counters for people and objects, telling time, reading dates and prices, stating ages, and pronouncing phone numbers. The questions combine practical daily-life situations with visual counting exercises to reinforce accurate word choice and number forms.
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Korean normally uses Native Korean numbers for hours with 시 and Sino-Korean numbers for minutes with 분.
하나 changes to 한 before a counter, as in 한 개 for one item and 한 명 for one person.
Calendar months use Sino-Korean numbers with 월, such as 삼월 for March and 팔월 for August.
Four items are counted as 네 개. The Native Korean number 넷 changes to 네 before a counter.
Books use the counter 권. 둘 becomes 두 before a counter, so two books are 책 두 권.
분 is the honorific counter for people. 셋 changes to 세 before a counter, producing 손님 세 분.
Animals use the counter 마리. Since 넷 changes to 네 before counters, four cats are 고양이 네 마리.
Cups and glasses of beverages use 잔. 하나 becomes 한 before the counter, so one cup of coffee is 커피 한 잔.
Pairs of shoes use the counter 켤레. Two pairs are 두 켤레 because 둘 changes to 두 before a counter.
Vehicles and machines use the counter 대. 셋 changes to 세 before a counter, making 자동차 세 대.
Hours use Native Korean numbers, so 7 o'clock is 일곱 시. 칠 is the Sino-Korean form.
Eight hours uses the Native Korean 여덟, while 45 minutes uses the Sino-Korean 사십오. Therefore, it is 여덟 시 사십오 분.
Months and dates use Sino-Korean numbers. April is 사월, and the twelfth day is 십이일, giving 사월 십이일.
October is an irregular month name pronounced 시월, not 십월. The final consonant of 십 is omitted in this word.
₩12,500 is read 만 이천오백 원. Korean normally omits 일 before 만 when the value is exactly one ten-thousand.
Phone numbers are read digit by digit. Zero is commonly pronounced 공 in phone numbers, so 010 is 공일공.
Floor numbers use Sino-Korean numbers with 층. The seventh floor is therefore 칠 층.
Ordinary age with 살 uses Native Korean numbers. Twenty-five is 스물다섯, so the expression is 스물다섯 살.
Before a counter such as 살, 스물 contracts to 스무 when it represents exactly twenty. Thus, 20 years old is 스무 살.
몇 asks how many, and 병 is the counter for bottles. Therefore, 몇 병 means “how many bottles?”
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