서수란?

서수는 목록이나 순서에서 사람이나 사물의 위치를 나타내는 숫자입니다.

1-3 서수 작성법

1, 2, 3의 서수는 고유한 형태를 가집니다.

서수 (숫자)

서수 (문자)

1

1st

first (처음)

2

2nd

second (둘째)

3

3rd

third (제삼)

This is my first time here.

여기는 내가 처음이야.

She is the second child.

그녀는 둘째 아이야.

4-10 서수 작성법

다른 숫자들, 예를 들어 4, 5, 6 등의 서수를 작성할 때는 끝에 'th'를 붙이면 됩니다.

숫자

문자

4th

fourth (네 번째)

5th

fifth (다섯 번째)

6th

sixth (여섯 번째)

7th

seventh (일곱 번째)

8th

eighth (여덟 번째)

9th

ninth (아홉 번째)

10th

tenth (열 번째)

Turn at the fourth corner.

번째 코너에서 돌아가세요.

Bring me the eighth book.

여덟 번째 책을 가져다 주세요.

주목!

일부 철자에 변화가 있습니다. 예를 들어:

five + th → fifth

다섯 번째

nine + th → ninth

아홉 번째

11-20 서수 작성법

11, 12, 13 등도 서수로 변환할 때 끝에 'th'를 붙입니다.

숫자

문자

11th

eleventh (열한 번째)

12th

twelfth (열두 번째)

13th

thirteenth (열셋 번째)

14th

fourteenth (열넷 번째)

15th

fifteenth (열다섯 번째)

16th

sixteenth (열여섯 번째)

17th

seventeenth (열일곱 번째)

18th

eighteenth (열여덟 번째)

19th

nineteenth (열아홉 번째)

20th

twentieth (스무 번째)

He won the eleventh race.

그는 열한 번째 경주에서 이겼어요.

주목!

다시 한 번 철자 변경에 주의하세요. 예를 들어:

twelve + th → twelfth

열두 번째

twenty + th → twentieth

스무 번째

Quiz:


1.

Which option shows the correct ordinal form of numbers 1 to 3?

A

oneth, twoth, threeth

B

onth, twth, thrth

C

first, second, third

D

1th, 2th, 3th

2.

Match each cardinal number with its written ordinal number.

4
7
6
10
8
tenth
eighth
seventh
fourth
sixth
3.

Sort the ordinal numbers from 11 to 20 in the correct order.

fifteenth
sixteenth
thirteenth
twelfth
eleventh
nineteenth
fourteenth
twentieth
eighteenth
seventeenth
4.

Fill the blanks with the ordinal form of the numbers in parentheses to complete the story.

The annual city marathon was in two weeks. Last year, Emily finished in

(12) place, but she was aiming for a better position this year. At the beginning of the race, she was at

(3) mark, right behind the fastest runners. By the

(5) mile, she was tired but kept running. When they reached the

(7) mile, Emily saw that she was in

(15) place. She kept running and finally passed a few runners, reaching

(9) position. With only a few hundred meters to go, Emily pushed her limits and sprinted ahead to reach the

(2) place.

5.

Which ordinal numbers have a spelling change in their written form?

A

5th, 9th, 12th, 20th

B

5th, 7th, 15th, 19th

C

4th, 9th, 12th, 20th

D

6th, 8th, 12th, 16th

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