French numbers from 1 to 100 are essential for telling time, giving prices, sharing phone numbers, and understanding dates. Many numbers follow clear patterns, so learning the building blocks helps you avoid memorizing every number one by one. The first twenty numbers are the foundation because they appear again inside larger numbers.
Once you see the pattern, counting in French becomes more predictable and easier to practice aloud.
French number building changes in important ways after 60, especially in the seventies, eighties, and nineties. Instead of having fully separate words for 70 and 90, French often uses addition, such as soixante-dix for 70, meaning sixty-ten, and quatre-vingt-dix for 90, meaning four-twenty-ten. Pronunciation also matters because silent final letters and linking sounds can change how numbers sound in speech.
These patterns are used every day in classrooms, shops, schedules, addresses, and conversations.
Key Facts
- 1 to 10: un, deux, trois, quatre, cinq, six, sept, huit, neuf, dix.
- 11 to 16 are special forms: onze, douze, treize, quatorze, quinze, seize.
- 17 to 19 use dix + unit: 17 = dix-sept, 18 = dix-huit, 19 = dix-neuf.
- Tens 20 to 60 are regular anchors: 20 = vingt, 30 = trente, 40 = quarante, 50 = cinquante, 60 = soixante.
- For 21, 31, 41, 51, and 61, French uses et un: 21 = vingt et un, 31 = trente et un.
- French 70 to 99 uses addition and multiplication patterns: 70 = soixante-dix, 80 = quatre-vingts, 90 = quatre-vingt-dix, 100 = cent.
Vocabulary
- Nombre
- A nombre is a number used for counting, ordering, measuring, or identifying something.
- Unité
- An unité is a ones digit, such as un, deux, or trois, that can combine with a tens word.
- Dizaine
- A dizaine is a group of ten, such as vingt, trente, or quarante.
- Liaison
- A liaison is a pronunciation link where a normally silent final consonant is sounded before a following vowel.
- Trait d’union
- A trait d’union is a hyphen used in written French numbers to connect number words.
Common Mistakes to Avoid
- Writing 70 as septante in standard French from France, which is usually wrong in that variety because 70 is soixante-dix. Septante is used in some regions, but learners should know the expected form for their class or context.
- Forgetting et in numbers like vingt et un, which makes the number sound incomplete in standard French. Use et un for 21, 31, 41, 51, and 61, but not for 22, 32, or 42.
- Adding an s to quatre-vingt when another number follows, which is incorrect because the s in quatre-vingts appears only when 80 stands alone. Write 80 as quatre-vingts, but 81 as quatre-vingt-un and 90 as quatre-vingt-dix.
- Translating 90 as neuf-dix, which is not the French pattern. Use quatre-vingt-dix because 90 is built as four twenties plus ten.
Practice Questions
- 1 Write the French words for these numbers: 18, 27, 54, 61, and 76.
- 2 Convert these French numbers into digits: trente-neuf, soixante-douze, quatre-vingts, quatre-vingt-seize, and cent.
- 3 Explain why 71 is soixante et onze but 72 is soixante-douze, and describe what this shows about the French pattern for the seventies.