# Cardinal numbers

## Vocabulary

## 1. Los *cardinal numbers*

*.*

**cardinal numbers**The number 0 can be called in different ways depending on the context. The main ones are:

Use | Examples | |
---|---|---|

ZERO | Mathematics, temperature, etc. | We are 3 degrees below zero. |

OH | Phone numbers, rooms, years, etc. | My number is: six-two-seven-five-oh-one-two-four-oh. |

## 2. Two-digit numbers

The numbers in English from 10 onwards are formed as follows:

Numbers **11** and **12** have a specific name. From number **13** to **19** all numbers end in * -teen*:

The tens end with the particle * -ty* from number

**20**:

**40.**

**!**

**fourty forty**In the rest of the cases, when we have a number formed by two digits, we write the ten followed by a dash and the corresponding unit:

## 4. Numbers of more than two digits

To refer to the hundreds we will use the following structure:

One hundred

Four hundred

To refer to the thousands we will use the following structure:

Five thousand

Thirty-seven thousand

To refer to the units of millions we will use the following structure:

Thirty-two million

From these quantities, we only have to make combinations as appropriate, bearing in mind that we will use the conjunction * and *to link

*or*

**hundreds***with*

**thousands***and/or*

**tens***.*

**units**450 | Four hundred and fifty |
---|---|

201 | Two hundred and one |

1,025 | One thousand and twenty-five |

1,005 | One thousand and five |

In English, they use a * dot *to separate the

*and a*

**decimals***to determine the*

**comma***.*

**thousands***,*

**hundred***and*

**thousand***have*

**million***form when they follow a number.*

**no plural****two millions**dollars in the bank.

## 7. Cardinal numbers with years and phone numbers

**To express years**: The number tends to be divided into two groups of two figures and pronounced separately:

In fourteen ninety-two Cristobal Colon discovered America.If the year ends in 00, the first two figures are grouped together and the wordis added.**hundred****For phone numbers**: They are said one by one, never grouped.

My phone number is 634 023 455 (six, three, four, oh, two, three, four, double five).When two of same number are together, they are written or spoken using the wordfollowed by the repeated number.**double**