**Cardinal numbers** are basic English numbers. We use them to count and describe how much of something there is.

Native

Translation

I have **one** car.

*One* is a numeral used to count the number of cars.

## Cardinal Numbers: Overview

Here's an overview of **how to write cardial numbers **in English:

1 | one | 11 | eleven | 21 | twenty-one | 31 | thirty-one |

2 | two | 12 | twelve | 22 | twenty-two | 40 | forty |

3 | three | 13 | thirteen | 23 | twenty-three | 50 | fifty |

4 | four | 14 | fourteen | 24 | twenty-four | 60 | sixty |

5 | five | 15 | fifteen | 25 | twenty-five | 70 | seventy |

6 | six | 16 | sixteen | 26 | twenty-six | 80 | eighty |

7 | seven | 17 | seventeen | 27 | twenty-seven | 90 | ninety |

8 | eight | 18 | eighteen | 28 | twenty-eight | 100 | one hundred |

9 | nine | 19 | nineteen | 29 | twenty-nine | 1,000 | one thousand |

10 | ten | 20 | twenty | 30 | thirty | 1,000,000 | one million |

## Tens

**Rule 1: **We put an **and** between the hundreds and the tens in British English. If there are no tens, we put the **and** before the single digits. We can skip the *and* in American English.

Native

Translation

120

BrEn: one hundred **and** twenty

AmEn: one hundred twenty

2,005

BrEn: two thousand **and** five

AmEn: two thousand five

## Hundreds

**Rule 2:** We put **a** or **one** before the number 100, but only at the beginning of a number.

Native

Translation

100

a hundred; one hundred

2,100

two thousand, one hundred

## Thousands and Millions

**Rule 3:** We use **a** and **one** with thousands and millions the same way as with hundreds.

Native

Translation

1,000

a thousand, one thousand

201,000

two hundred and one thousand

**Note:** In English, we separate thousands by commas.

## Quiz

1/4

**What is the correct spelling? **11

0

correct answers.