책 Top Notch 기초 A - 단원 4 - 레슨 3

the number 21; the number of days in three weeks

스물하나, 21

the number 22; the number of players on two soccer teams

스물둘

the number 23; the number of pairs of chromosomes in the human body

the number 24; the number of hours in a day

the number 25; the number we get when we multiply five by five

the number 26; the number of letters in the English alphabet

스물여섯

the number 27; the number you get when you multiply three by three by three

스물일곱

the number 28; the number that is equal to twenty plus eight

스물여덟, 28

the number 29; the number of days in February when the year has one extra day during a leap year

스물아홉

the number 30

서른

the number 31; the number of days in January, March, May, July, August, October, and December

서른하나

the number 32; the number of teeth an adult has

서른둘

the number 40

사십

the number 50

오십

the number 60

육십

the number 70

칠십, 70

the number 80

여든, 80

the number 90

아흔, 90

the number 100

백

the number of years in a century plus one

백하나, 101