Mastering French Numbers: How to Say “20” and Beyond

Understanding how to say numbers in French is a fundamental aspect of learning the language. Knowing how to express the number “20” (vingt) is particularly important because it forms the base for many other numbers. This article will provide a comprehensive guide to understanding, using, and mastering the number “20” in French, along with related concepts and practical exercises to enhance your understanding. This knowledge is essential for anyone learning French, from beginners to more advanced students, as it builds a crucial foundation for numerical literacy.

Whether you’re planning a trip to France, studying French in school, or simply interested in expanding your linguistic skills, this guide will equip you with the necessary tools to confidently use and understand French numbers centered around vingt. Get ready to dive into the fascinating world of French numerals!

Table of Contents

1. Introduction
2. Definition of Vingt
3. Structural Breakdown of French Numbers from 20 to 99
4. Types and Categories of Numbers Based on Vingt
5. Basic Numbers from 20 to 69
6. Complex Numbers from 70 to 99
7. Examples of Using Vingt in Sentences
8. Examples related to Ages
9. Examples related to Prices
10. Examples related to Time
11. Examples related to Quantities
12. Usage Rules for Numbers Containing Vingt
13. Agreement of Vingt in Compound Numbers
14. Use of Linking Words (et)
15. Special Cases and Exceptions
16. Common Mistakes When Using Numbers with Vingt
17. Gender Agreement Errors
18. Linking Word Errors
19. Number Formation Errors
20. Practice Exercises
21. Exercise 1: Translate to French
22. Exercise 2: Fill in the Blanks
23. Exercise 3: Correct the Mistakes
24. Advanced Topics: Numbers Beyond 100
25. Hundreds
26. Thousands
27. Millions and Billions
28. Frequently Asked Questions
29. Conclusion

Definition of Vingt

In French, the word vingt (pronounced /vɛ̃/) means “twenty.” It is a cardinal number, indicating quantity. It serves as the base for constructing several other numbers in French, particularly those from 20 to 99. Understanding vingt is crucial for mastering basic French numeracy.

Vingt functions not only as a standalone number but also as a building block for more complex numbers. Its role extends beyond simple counting, appearing in contexts such as telling time, stating ages, expressing prices, and describing quantities. Therefore, mastering vingt is an essential step in achieving fluency in French.

For example, in the phrase “J’ai vingt ans” (I am twenty years old), vingt represents age. In “Le livre coûte vingt euros” (The book costs twenty euros), it signifies price. These examples illustrate the versatility and importance of vingt in everyday communication.

Structural Breakdown of French Numbers from 20 to 99

French numbers from 20 to 69 follow a relatively straightforward pattern, while numbers from 70 to 99 involve more complex constructions. The key is to understand how vingt (20), trente (30), quarante (40), cinquante (50), and soixante (60) are combined with other numbers.

For numbers 21 to 29, we simply add the numbers one to nine (un, deux, trois, quatre, cinq, six, sept, huit, neuf) to vingt. For example, 21 is vingt et un, and 25 is vingt-cinq. The word et (and) is used only with vingt et un, trente et un, quarante et un, cinquante et un, and soixante et un.

Numbers 70 to 99 are formed using combinations of soixante (60) and vingt (20). For example, 70 is soixante-dix (sixty-ten), 80 is quatre-vingts (four-twenties), and 90 is quatre-vingt-dix (four-twenty-ten). This system might seem confusing at first, but with practice, it becomes more manageable.

Types and Categories of Numbers Based on Vingt

The numbers based on vingt can be categorized into two main groups: basic numbers (20-69) and complex numbers (70-99). Each category follows different rules for formation and usage.

Basic Numbers from 20 to 69

These numbers are formed by combining the tens (vingt, trente, quarante, cinquante, soixante) with the units (un, deux, trois, quatre, cinq, six, sept, huit, neuf). The linking word et is only used with the number one (un) after the tens.

For instance, vingt-deux (22) is formed by combining vingt (20) and deux (2). Similarly, trente-cinq (35) combines trente (30) and cinq (5). This structure is consistent up to 69.

Complex Numbers from 70 to 99

These numbers are more complex because they use combinations of soixante (60) and quatre-vingts (four-twenties). The numbers 70-79 are based on 60, while 80-99 are based on multiples of 20.

Specifically, 70 is soixante-dix (60+10), 71 is soixante et onze (60+11), and so on. The number 80 is quatre-vingts (4 x 20), and 81 is quatre-vingt-un (4 x 20 + 1). The numbers 90-99 follow a similar pattern, with 90 being quatre-vingt-dix (4 x 20 + 10).

Examples of Using Vingt in Sentences

Understanding how to use vingt and its related numbers in practical sentences is crucial for effective communication. The following examples will demonstrate various contexts in which these numbers are used.

Examples related to Ages

Expressing age is a common use of numbers. Here are some examples using numbers based on vingt to describe age:

English	French
I am twenty years old.	J’ai vingt ans.
He is twenty-two years old.	Il a vingt-deux ans.
She is twenty-five years old.	Elle a vingt-cinq ans.
They are thirty years old.	Ils ont trente ans.
We are thirty-five years old.	Nous avons trente-cinq ans.
You are forty years old.	Vous avez quarante ans.
He is forty-eight years old.	Il a quarante-huit ans.
She is fifty years old.	Elle a cinquante ans.
They are fifty-three years old.	Ils ont cinquante-trois ans.
We are sixty years old.	Nous avons soixante ans.
You are sixty-one years old.	Vous avez soixante et un ans.
He is seventy years old.	Il a soixante-dix ans.
She is seventy-five years old.	Elle a soixante-quinze ans.
They are eighty years old.	Ils ont quatre-vingts ans.
We are eighty-two years old.	Nous avons quatre-vingt-deux ans.
You are ninety years old.	Vous avez quatre-vingt-dix ans.
He is ninety-nine years old.	Il a quatre-vingt-dix-neuf ans.
She is twenty-nine years old.	Elle a vingt-neuf ans.
They are thirty-three years old.	Ils ont trente-trois ans.
We are forty-four years old.	Nous avons quarante-quatre ans.
You are fifty-five years old.	Vous avez cinquante-cinq ans.
He is sixty-six years old.	Il a soixante-six ans.

This table demonstrates how to use vingt and its related numbers to express age in French. Notice the consistent structure and the use of the verb avoir (to have) to indicate age.

Examples related to Prices

Stating prices is another common scenario where numbers are essential. Here are some examples using numbers based on vingt to express prices in euros:

English	French
It costs twenty euros.	Ça coûte vingt euros.
It costs twenty-one euros.	Ça coûte vingt et un euros.
It costs twenty-five euros.	Ça coûte vingt-cinq euros.
It costs thirty euros.	Ça coûte trente euros.
It costs thirty-two euros.	Ça coûte trente-deux euros.
It costs forty euros.	Ça coûte quarante euros.
It costs forty-five euros.	Ça coûte quarante-cinq euros.
It costs fifty euros.	Ça coûte cinquante euros.
It costs fifty-seven euros.	Ça coûte cinquante-sept euros.
It costs sixty euros.	Ça coûte soixante euros.
It costs sixty-three euros.	Ça coûte soixante-trois euros.
It costs seventy euros.	Ça coûte soixante-dix euros.
It costs seventy-eight euros.	Ça coûte soixante-dix-huit euros.
It costs eighty euros.	Ça coûte quatre-vingts euros.
It costs eighty-nine euros.	Ça coûte quatre-vingt-neuf euros.
It costs ninety euros.	Ça coûte quatre-vingt-dix euros.
It costs ninety-one euros.	Ça coûte quatre-vingt-onze euros.
It costs twenty-nine euros.	Ça coûte vingt-neuf euros.
It costs thirty-three euros.	Ça coûte trente-trois euros.
It costs forty-four euros.	Ça coûte quarante-quatre euros.
It costs fifty-five euros.	Ça coûte cinquante-cinq euros.
It costs sixty-six euros.	Ça coûte soixante-six euros.

This table provides examples of how to express prices in French using numbers based on vingt. Notice the consistent use of “Ça coûte” (It costs) followed by the number and “euros.”

Examples related to Time

Telling time in French also involves using numbers. Here are examples using numbers based on vingt within the context of time:

English	French
It’s twenty past one.	Il est une heure vingt.
It’s twenty-five past two.	Il est deux heures vingt-cinq.
It’s three twenty.	Il est trois heures vingt.
It’s four twenty-two.	Il est quatre heures vingt-deux.
It’s five thirty.	Il est cinq heures trente.
It’s six thirty-five.	Il est six heures trente-cinq.
It’s seven forty.	Il est sept heures quarante.
It’s eight forty-five.	Il est huit heures quarante-cinq.
It’s nine fifty.	Il est neuf heures cinquante.
It’s ten fifty-five.	Il est dix heures cinquante-cinq.
It’s eleven sixty.	Il est onze heures soixante.
It’s twelve sixty-one.	Il est midi soixante et un.
It’s one seventy.	Il est une heure soixante-dix.
It’s two seventy-five.	Il est deux heures soixante-quinze.
It’s three eighty.	Il est trois heures quatre-vingts.
It’s four eighty-two.	Il est quatre heures quatre-vingt-deux.
It’s five ninety.	Il est cinq heures quatre-vingt-dix.
It’s six ninety-nine.	Il est six heures quatre-vingt-dix-neuf.
It’s seven twenty-nine.	Il est sept heures vingt-neuf.
It’s eight thirty-three.	Il est huit heures trente-trois.
It’s nine forty-four.	Il est neuf heures quarante-quatre.
It’s ten fifty-five.	Il est dix heures cinquante-cinq.

This table illustrates how to express time using numbers related to vingt in French. The structure “Il est [heure] heures [minutes]” is commonly used.

Examples related to Quantities

Describing quantities is another essential application of numbers. Here are some examples using numbers based on vingt to express quantities:

English	French
I have twenty books.	J’ai vingt livres.
She has twenty-one apples.	Elle a vingt et une pommes.
We have twenty-five chairs.	Nous avons vingt-cinq chaises.
They have thirty students.	Ils ont trente étudiants.
You have thirty-two pens.	Vous avez trente-deux stylos.
He has forty cars.	Il a quarante voitures.
She has forty-five flowers.	Elle a quarante-cinq fleurs.
We have fifty houses.	Nous avons cinquante maisons.
They have fifty-seven trees.	Ils ont cinquante-sept arbres.
You have sixty cats.	Vous avez soixante chats.
He has sixty-three dogs.	Il a soixante-trois chiens.
She has seventy birds.	Elle a soixante-dix oiseaux.
We have seventy-eight stars.	Nous avons soixante-dix-huit étoiles.
They have eighty planets.	Ils ont quatre-vingts planètes.
You have eighty-nine ideas.	Vous avez quatre-vingt-neuf idées.
He has ninety problems.	Il a quatre-vingt-dix problèmes.
She has ninety-one dreams.	Elle a quatre-vingt-onze rêves.
I have twenty-nine questions.	J’ai vingt-neuf questions.
She has thirty-three songs.	Elle a trente-trois chansons.
We have forty-four games.	Nous avons quarante-quatre jeux.
They have fifty-five projects.	Ils ont cinquante-cinq projets.
You have sixty-six secrets.	Vous avez soixante-six secrets.

This table provides examples of how to express quantities in French using numbers based on vingt. Notice the agreement of nouns in plural form.

Usage Rules for Numbers Containing Vingt

There are specific rules that govern the use of numbers containing vingt, including agreement rules, the use of linking words, and special cases.

Agreement of Vingt in Compound Numbers

The word vingt agrees in number (singular or plural) when it is the last element of a number and is multiplied. For example, in quatre-vingts (80), vingt is plural because it’s four times twenty. However, it does not agree when it is followed by another number.

Therefore, we write quatre-vingts (80) but quatre-vingt-un (81). The same rule applies to cent (hundred). For example, deux cents (200) but deux cent un (201).

Use of Linking Words (et)

The linking word et (and) is used only between the tens and the number one (un) in numbers like 21, 31, 41, 51, and 61. It is not used in other numbers.

For example, we say vingt et un (21), trente et un (31), and soixante et un (61), but we say vingt-deux (22), trente-cinq (35), and soixante-huit (68) without the “et.”

Special Cases and Exceptions

Numbers from 70 to 99 have irregular formations. Instead of creating new words for each number, they are based on combinations of soixante (60) and quatre-vingts (four-twenties).

For example, 70 is soixante-dix (60+10), 71 is soixante et onze (60+11), and 80 is quatre-vingts (4 x 20). These constructions require memorization and practice.

Common Mistakes When Using Numbers with Vingt

Learners often make specific mistakes when using numbers containing vingt. Being aware of these common errors can help you avoid them.

Gender Agreement Errors

Although vingt itself doesn’t have gender, nouns that accompany the numbers must agree in gender. This is a common area of error for learners.

Incorrect: J’ai vingt livre.

Correct: J’ai vingt livres. (livres is masculine plural)

Incorrect: Elle a vingt et un pomme.

Correct: Elle a vingt et une pommes. (pommes is feminine plural)

Linking Word Errors

Using the linking word et incorrectly is another frequent mistake. Remember that et is only used with the number one after the tens.

Incorrect: Vingt et deux

Correct: Vingt-deux

Incorrect: Trente et cinq

Correct: Trente-cinq

Number Formation Errors

Misunderstanding the structure of numbers from 70 to 99 is a common error, especially for beginners.

Incorrect: Septante (for 70)

Correct: Soixante-dix

Incorrect: Huitante (for 80)

Correct: Quatre-vingts

Practice Exercises

To reinforce your understanding of numbers containing vingt, complete the following exercises.

Exercise 1: Translate to French

Translate the following English sentences into French, using numbers based on vingt.

Question	Answer
1. I am twenty-three years old.	J’ai vingt-trois ans.
2. It costs thirty-one euros.	Ça coûte trente et un euros.
3. She has forty-two books.	Elle a quarante-deux livres.
4. We are fifty-five years old.	Nous avons cinquante-cinq ans.
5. It’s sixty past one.	Il est une heure soixante.
6. They have seventy problems.	Ils ont soixante-dix problèmes.
7. He is eighty-eight years old.	Il a quatre-vingt-huit ans.
8. It costs ninety-two euros.	Ça coûte quatre-vingt-douze euros.
9. She has twenty-seven cats.	Elle a vingt-sept chats.
10. We are thirty-nine years old.	Nous avons trente-neuf ans.

Exercise 2: Fill in the Blanks

Fill in the blanks with the correct French number.

Question	Answer
1. Il a _______ ans. (25)	vingt-cinq
2. Ça coûte _______ euros. (31)	trente et un
3. Elle a _______ livres. (48)	quarante-huit
4. Nous avons _______ ans. (53)	cinquante-trois
5. Il est _______ heures. (66)	soixante-six
6. Ils ont _______ problèmes. (74)	soixante-quatorze
7. J’ai _______ chats. (81)	quatre-vingt-un
8. Vous avez _______ euros. (99)	quatre-vingt-dix-neuf
9. Nous sommes _______ . (22)	vingt-deux
10. Il coûte _______ . (37)	trente-sept

Exercise 3: Correct the Mistakes

Identify and correct the mistakes in the following sentences.

Question	Answer
1. J’ai vingt et deux ans.	J’ai vingt-deux ans.
2. Ça coûte trente un euros.	Ça coûte trente et un euros.
3. Elle a quarante-et-cinq livres.	Elle a quarante-cinq livres.
4. Nous avons cinquante et trois ans.	Nous avons cinquante-trois ans.
5. Il est soixante et deux heures.	Il est soixante-deux heures.
6. Ils ont soixante-dix et problèmes.	Ils ont soixante-dix problèmes.
7. J’ai quatre-vingt un chats.	J’ai quatre-vingt-un chats.
8. Vous avez quatre-vingt-dix et neuf euros.	Vous avez quatre-vingt-dix-neuf euros.
9. Nous somme vingt et un.	Nous sommes vingt et un.
10. Il coûte trente et sept.	Il coûte trente-sept.

Advanced Topics: Numbers Beyond 100

Once you’ve mastered numbers up to 99, you can move on to larger numbers. Understanding how to form numbers beyond 100 is essential for more advanced conversations.

Hundreds

The word for “hundred” in French is cent. To form numbers in the hundreds, you simply place the number of hundreds before cent. For example, 200 is deux cents, 300 is trois cents, and so on.

As with vingt, cent agrees in number when it is the last element of a number and is multiplied. For example, deux cents (200) but deux cent un (201).

Thousands

The word for “thousand” in French is mille. Unlike cent and vingt, mille never takes an “s” in the plural. To form numbers in the thousands, you place the number of thousands before mille. For example, 2,000 is deux mille, 3,000 is trois mille, and so on.

For example: 1,500 is mille cinq cents, 5,000 is cinq mille, and 10,000 is dix mille.

Millions and Billions

The word for “million” in French is million, and the word for “billion” is milliard. These words are nouns and therefore require the preposition de (of) when followed by another noun. They also take an “s” in the plural.

For example, one million is un million, and two million is deux millions. Similarly, one billion is un milliard, and two billion is deux milliards.

When specifying something that belongs to the million or billion, you use de. For example, “two million dollars” is deux millions de dollars.

Frequently Asked Questions

Here are some frequently asked questions about using numbers with vingt in French.

1. Why is 70 “soixante-dix” instead of “septante“?

   The French number system has historical roots that explain this anomaly. While some regions, such as Switzerland and Belgium, use “septante” for 70, standard French uses “soixante-dix” (sixty-ten). This is a relic of an older counting system and has remained in use.

2. Why is 80 “quatre-vingts” instead of “huitante“?

   Similar to 70, the number 80 (“quatre-vingts“) reflects historical counting methods. “Quatre-vingts” literally means “four twenties.” Some regions use “huitante,” but standard French retains “quatre-vingts.”

3. When do I use “et” when saying numbers in French?

   The word “et

   ” (and) is only used when the number one follows the tens place (21, 31, 41, 51, 61). For example, you would say “vingt et un” (21), but “vingt-deux” (22) without the “et.”

4. How do I remember the agreement rule for vingt?

   Remember that vingt only agrees (takes an “s”) when it is multiplied and is the last word in the number. So, “quatre-vingts” (80) is correct, but “quatre-vingt-dix” (90) does not have an “s” because it is followed by another number.

Conclusion

Mastering the number vingt and its related numbers is a crucial step in becoming proficient in French. By understanding the structure, usage rules, and common mistakes associated with these numbers, you can significantly improve your numerical fluency. Practice the exercises provided and continue to apply your knowledge in real-life scenarios to solidify your understanding.

From stating your age to expressing prices and quantities, numbers are an integral part of everyday communication. With consistent effort and practice, you’ll be able to confidently use and understand French numbers, enhancing your overall language skills and opening up new opportunities for communication and comprehension.