- Lesson 2 - when to use it (filterbot won't let me put it here) https://www.koreanclass101.com/lesson/absolute-beginner-questions-answered-by-jae-13-what-are-the-differences-between-the-number-systems-in-korean/#:~:text=The%20Native%20Korean%20number%20system%20is%20used%20for%20general%20counting,numbers%2C%20and%20numbers%20above%20100.
N U M B E R S : Korean Numbers the singles (1-10) (on the right is how they're pronounced if it is said unlike how it is spelled) 1 하나 2 둘 3 셋 섿 4 넷 넫 5 다섯 다섣 6 여섯 여섣 7 일곱 8 여덟 여덜 9 아홉 10 열 add 열 (ten) before a number (from 1-9) to make it a teen number. the tens (20-90) Number Korean Number 20 스물 30 서른 40 마흔 50 쉰 60 예순 70 일흔 80 여든 90 아흔 Chinese Numbers the singles 1-9 Number Chinese Number 1 일 2 이 3 삼 4 사 5 오 6 육 7 칠 8 팔 9 구 10 십 (on the right is the pronunciation if it is said unlike the spelling) 11 십일 시빌 12 십이 시비 13 십삼 십쌈 14 십사 십싸 15 십오 시보 16 십육 심뉵 17 십칠 18 십팔 십팔 19 십구 십꾸 for Chinese numbers but the 십 after instead of before to make it a tens