Numbers for beginners

If math describes how the world works, numbers are the alphabet that makes math possible. In this lesson, we will discover all about them.

How to Use "Numbers" in the English Language

How to Ask About Numbers

Numbers are symbols used to show how many or how much of something there is.

1-10

The following is a list of numbers one to ten. Look at them:

  • 1 → One
  • 2 → Two
  • 3 → Three
  • 4 → Four
  • 5 → Five
  • 6 → Six
  • 7 → Seven
  • 8 → Eight
  • 9 → Nine
  • 10 → Ten

Now, let us take a look at some examples:

There is one cat lying on the car.

There are seven cars in the garage.

Warning!

Remember not to confuse 'three' with 'tree'. 'Tree' is the name of a green plant.

11-20

Now, we are going to learn about numbers eleven to twenty. Look at the following list:

  • 11 → Eleven
  • 12 → Twelve
  • 13 → Thirteen
  • 14 → Fourteen
  • 15 → Fifteen
  • 16 → Sixteen
  • 17 → Seventeen
  • 18 → Eighteen
  • 19 → Nineteen
  • 20 → Twenty

Now, take a look at the following examples:

She can see twelve ducks in the street.

There are nineteen members left in our group.

Sam feels sad for that thirteen-year-old girl.

21-29

When we want to write about numbers like 21, 22, etc. We use a hyphen (-) between parts of the compound number. We use a hyphen for all compound numbers from 21 to 99.

  • 21 → Twenty-one
  • 24 → Twenty-four
  • 27 → Twenty-seven
  • 29 → Twenty-nine

Tip!

In English, we do not say thirty and five. We say thirty-five.

30, 40, 50, ...

Now, we are going to take a look at numbers like 30, 40, 50, etc. Take a look at the list below:

  • 30 → Thirty
  • 40 → Forty
  • 50 → Fifty
  • 60 → Sixty
  • 70 → Seventy
  • 80 → Eighty
  • 90 → Ninety
  • 100 → One Hundred

Now, let us take a look at an example:

There were around sixty guests at her house.

Tip!

Do not confuse the pronunciation of some numbers. For example:

15 → fifteen: /ˌfɪfˈtiːn/

50 → fifty → /ˈfɪfti/

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