Vocabulary · Basics
Numbers from 1 to 100 in English
A1
Numbers from 1 to 100 in English: one to ten, the teens, the tens and compound numbers like twenty-one, with the spelling and stress rules you need to say your age, the time or a price. With British pronunciation (IPA) and examples.
Quick answer
From 1 to 10
| Word | Meaning | Pronunciation |
|---|---|---|
| one(num.) | the number 1 | /wʌn/ |
| two(num.) | the number 2 | /tuː/ |
| three(num.) | the number 3 | /θriː/ |
| four(num.) | the number 4 | /fɔː/ |
| five(num.) | the number 5 | /faɪv/ |
| six(num.) | the number 6 | /sɪks/ |
| seven(num.) | the number 7 | /ˈsevn/ |
| eight(num.) | the number 8 | /eɪt/ |
| nine(num.) | the number 9 | /naɪn/ |
| ten(num.) | the number 10 | /ten/ |
From 11 to 20 (-teen from 13)
| Word | Meaning | Pronunciation |
|---|---|---|
| eleven(num.) | the number 11 | /ɪˈlevn/ |
| twelve(num.) | the number 12 | /twelv/ |
| thirteen(num.) | the number 13 | /ˌθɜːˈtiːn/ |
| fourteen(num.) | the number 14 | /ˌfɔːˈtiːn/ |
| fifteen(num.) | the number 15 | /ˌfɪfˈtiːn/ |
| sixteen(num.) | the number 16 | /ˌsɪksˈtiːn/ |
| seventeen(num.) | the number 17 | /ˌsevnˈtiːn/ |
| eighteen(num.) | the number 18 | /ˌeɪˈtiːn/ |
| nineteen(num.) | the number 19 | /ˌnaɪnˈtiːn/ |
| twenty(num.) | the number 20 | /ˈtwenti/ |
The tens (20 to 90)
| Word | Meaning | Pronunciation |
|---|---|---|
| twenty(num.) | the number 20 | /ˈtwenti/ |
| thirty(num.) | the number 30 | /ˈθɜːti/ |
| forty(num.)“Note: forty (no U).” | the number 40 | /ˈfɔːti/ |
| fifty(num.) | the number 50 | /ˈfɪfti/ |
| sixty(num.) | the number 60 | /ˈsɪksti/ |
| seventy(num.) | the number 70 | /ˈsevnti/ |
| eighty(num.) | the number 80 | /ˈeɪti/ |
| ninety(num.) | the number 90 | /ˈnaɪnti/ |
| one hundred(num.) | the number 100 | /wʌn ˈhʌndrəd/ |
Compound numbers (21, 32, 47…)
| Word | Meaning | Pronunciation |
|---|---|---|
| twenty-one(num.)“I'm twenty-one years old.” | the number 21 | /ˌtwenti ˈwʌn/ |
| twenty-two(num.) | the number 22 | /ˌtwenti ˈtuː/ |
| thirty-five(num.) | the number 35 | /ˌθɜːti ˈfaɪv/ |
| forty-seven(num.) | the number 47 | /ˌfɔːti ˈsevn/ |
| fifty-six(num.) | the number 56 | /ˌfɪfti ˈsɪks/ |
| eighty-eight(num.) | the number 88 | /ˌeɪti ˈeɪt/ |
| ninety-nine(num.) | the number 99 | /ˌnaɪnti ˈnaɪn/ |
Common mistakes to avoid
Fourty ❌: forty has no u
A classic mistake: forty (40) has no u. ✗ fourty. ✓ forty. But four (4) and fourteen (14) do have a u. It is an exception, so you have to remember it.
Thirty five ❌: use a hyphen
From 21 to 99, compound numbers take a hyphen: twenty-one, thirty-five, eighty-eight. Always put a hyphen between the ten and the unit.
Twenty and one ❌: no and between tens and units
In British English, you say one hundred and twenty. But between the ten and the unit, there is no and: twenty-one, not twenty and one.
-teen or -ty? Listen to the stress
Thirteen (13) and thirty (30) sound similar, but the stress is different: thirTEEN (stress at the end) and THIRty (stress at the start). It is the same for 14/40, 15/50 and so on.
Practice quiz
Related pages: Numbers from 1 to 100
Pages on a similar topic or with a similar use, so you can keep exploring.
Going further
The “Numbers from 1 to 100” topic is part of the contest vocabulary
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Frequently asked questions
How do you write numbers from 1 to 100 in English?+
The numbers from 1 to 12 have their own names. From 13 to 19, they end in -teen (thirteen, fourteen…). The tens end in -ty (twenty, thirty, forty…). Compound numbers take a hyphen (twenty-one, thirty-five). 100 is one hundred or a hundred.
Why is forty spelt without a u?+
It is an exception in English spelling. Four (4) and fourteen (14) have a u, but forty (40) does not. You simply have to remember it. A common mistake is to write fourty.
What is the difference between thirteen and thirty?+
The stress is different. Thirteen (13) has the stress on the second part: thirTEEN. Thirty (30) has the stress on the first part: THIRty. It is the same for 14/40, 15/50, 16/60, 17/70, 18/80 and 19/90. People often mix them up when they speak.
How do you say your age in English?+
Say I'm twenty-five or I'm twenty-five years old. In English, age goes with be + number, never with have: I have twenty-five years is wrong. Remember the hyphen between twenty and five.
Is it one hundred or a hundred?+
Both are correct. A hundred is more common when you speak. One hundred is more formal, or you use it to be exact. Also: two hundred, three hundred (never two hundreds).
Updated on 12 November 2026 by the Big Challenge teaching team. Every year, more than 500,000 students across Europe take part in our English contest, created in 1999. Our teaching approach →
The Big Challenge · Updated on 12 November 2026 · Source: www.thebigchallenge.com/bl/academy/learn-english/vocabulary/numbers-1-100
© The Big Challenge. Copying allowed for classroom use. Every year, more than 500,000 students across Europe take part in our English contest, created in 1999.