🔢 2.10. Cardinal Numbers

In this lesson, we will explore Cardinal Numbers. These are the numbers we use to count and express quantities. Let’s dive in and learn how to use them correctly!

What Are Cardinal Numbers?

Cardinal numbers are used to count people, objects, or things. They answer the question: “How many?”

Examples:

  • One apple
  • Two books
  • Three chairs

Cardinal Numbers from 1 to 20

Here is a list of cardinal numbers from 1 to 20:

NumberAudio
1 One
2 Two
3 Three
4 Four
5 Five
6 Six
7 Seven
8 Eight
9 Nine
10 Ten
11 Eleven
12 Twelve
13 Thirteen
14 Fourteen
15 Fifteen
16 Sixteen
17 Seventeen
18 Eighteen
19 Nineteen
20 Twenty

Cardinal Numbers from 21 to 100

For numbers 21 to 99, we combine the tens and ones with a hyphen (-). For example:

  • 21: Twenty-one
  • 35: Thirty-five
  • 48: Forty-eight

Tens:

NumberAudio
30 Thirty
40 Forty
50 Fifty
60 Sixty
70 Seventy
80 Eighty
90 Ninety

Examples:

  • 33: Thirty-three
  • 57: Fifty-seven
  • 99: Ninety-nine

Large Numbers

For numbers larger than 100, we use the terms hundred, thousand, million, etc.

Examples:

  • 100: One hundred
  • 250: Two hundred fifty
  • 1,000: One thousand
  • 1,250: One thousand two hundred fifty
  • 1,000,000: One million

Practice Game


Tips for Learning Cardinal Numbers

  1. Practice Counting Daily: Start counting objects around you in English.
  2. Use Flashcards: Write the number on one side and the word on the other.
  3. Repeat Aloud: Use the audio buttons to listen and repeat the pronunciation.

Lesson Practice


Next steps:

Congratulations! You’ve completed lesson 🔢 2.10. Cardinal Numbers.