用英语怎么表达数字

更新日期：2026-11-12 02:53:00

标题

用英语怎么表达数字

内容

When learning English, one of the basic yet essential skills is knowing how to express numbers correctly. Whether you're counting, telling time, or writing addresses, understanding the proper way to say and write numbers in English is crucial. This article provides a clear summary of how to express numbers in English, along with a table for quick reference.

Summary: How to Express Numbers in English

Numbers in English can be divided into two main categories: cardinal numbers (used for counting) and ordinal numbers (used to indicate position or order). Additionally, there are specific rules for expressing large numbers, fractions, and decimals.

- Cardinal Numbers: These are used when we count things. For example: one, two, three, four, etc.

- Ordinal Numbers: These are used to show the order of something. For example: first, second, third, fourth, etc.

- Large Numbers: Numbers beyond 100 follow a pattern, such as "one hundred," "two hundred fifty," "three thousand," and so on.

- Fractions and Decimals: These are expressed using words like "half," "quarter," "one and a half," or "point five."

It's also important to note that in English, numbers are often written with commas to separate thousands, such as "1,000" or "2,500." When reading these aloud, it’s common to say "one thousand" or "two thousand five hundred."

Table: How to Express Numbers in English

Number	Word Form	Example Usage
1	One	I have one apple.
2	Two	There are two books on the table.
3	Three	She has three brothers.
4	Four	The meeting starts at four o'clock.
5	Five	He scored five points.
6	Six	We need six chairs.
7	Seven	There are seven days in a week.
8	Eight	She is eight years old.
9	Nine	The price is nine dollars.
10	Ten	I have ten pencils.
11	Eleven	He was born in eleven.
12	Twelve	There are twelve months in a year.
13	Thirteen	She is thirteen years old.
14	Fourteen	They live on the fourteenth floor.
15	Fifteen	I have fifteen minutes left.
20	Twenty	The meeting is at twenty past eight.
30	Thirty	It took thirty minutes.
40	Forty	The room is forty square meters.
50	Fifty	She earned fifty dollars.
100	One hundred	There are one hundred students.
1,000	One thousand	The city has one thousand people.
1,000,000	One million	The company has one million customers.

Ordinal Numbers (for order)

Number	Word Form	Example Usage
1st	First	She came first in the race.
2nd	Second	He is the second in line.
3rd	Third	The third question is the hardest.
4th	Fourth	The fourth month is April.
5th	Fifth	He lives on the fifth floor.
10th	Tenth	The tenth chapter is about history.
11th	Eleventh	She turned eleven last week.
12th	Twelfth	The twelfth day of the month.
21st	Twenty-first	Her birthday is on the twenty-first.
22nd	Twenty-second	He was born on the twenty-second.
30th	Thirtieth	The thirtieth of June.

Fractions and Decimals

Expression	Word Form	Example Usage
½	Half	I ate half the cake.
¼	Quarter	She drank a quarter of the milk.
1/3	A third	He has a third of the money.
0.5	Zero point five	The temperature is zero point five.
1.5	One and a half	The recipe needs one and a half cups.
2.75	Two point seven five	The price is two point seven five.

Conclusion

Expressing numbers in English is straightforward once you understand the basic rules. Whether you're dealing with cardinal or ordinal numbers, large figures, or decimal expressions, having a clear understanding of how to read and write them will help you communicate more effectively. Using the table above as a guide can make the learning process much easier and faster.

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