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Learn English > English lessons and exercises > English test #6468: Cardinal and ordinal numbers
 > Other English exercises on the same topic: Numbers [Change theme] > Similar tests: - Fractions and percentages - ESL-Numbers from 1 to 10 - Geometric shapes - Vocabulary: mathematics - Geometry-Vocabulary - Idioms: numbers - Numbers and dates... (Level 1) - Dozen(s), hundred(s), thousand(s), million(s)? > Double-click on words you don't understand

Cardinal and ordinal numbers

Cardinal and ordinal numbers

Cardinal numbers tell quantities. Ordinal numbers tell the rank of something.

Example :

Four  presidents were elected in the USA before 1817. The first president was George Washington.

'Four' is a cardinal number.

'The first' is an ordinal number.

➡️ I)  Cardinal numbers:

Hundred, thousand, million, billion ... don't change when there is a number before.
They are in the plural form when they are used with a noun and "of".

Three thousand people.

Thousands of people.

How to pronounce special numbers:

1.754 = one point seven five four.

5,353.5 = five thousand three hundred and fifty-three point five.

0 is read 'nought' OR 'zero' :

0.02 = nought point nought two ou zero point zero two

1a/ How to read the zero:

Measures: 3 degrees above zero.

Phone numbers, room numbers, dates: use the letter 'O'.

1b/ Percentages :

25% = twenty-five per cent.

100% = a hundred per cent.

200% = two hundred per cent.

3.75% = three point seven five per cent.

1c/ Years:

1945 = nineteen forty-five.

2010 = two thousand and ten/twenty ten

➡️   II) Ordinal numbers:

 1st  first 11th eleventh 10th tenth 100th hundredth 2ndsecond 12th  twelfth 20thtwentieth 1,000th thousandth 3rd third 13th thirteenth 30th thirtieth 1,000,000th millionth 4th fourth 14th fourteenth 40th fortieth 5th fifth 15thfifteenth 50th fiftieth 6th sixth 16thsixteenth 60th sixtieth 7th seventh 17thseventeenth 70th seventieth 8th eighth 18theighteenth 80th eightieth 9th ninth 19thnineteenth 90th ninetieth

The first time.

➡️ III) Fractions:

1/5 = one fifth

2/3 = two thirds

1/25 = one twenty-fifth

Caution:  1/2 = one/a half  and 1/4 = one/a quarter

➡️ IV) Dates:

Several ways to write them:

14 July 1789; July 14th 1789; 14th July 1789; July 14, 1789.

How to pronounce:

-         The fourteenth of July, seventeen eighty-nine.

-          July the fourteenth, seventeen eighty-nine.

Exercise :

Write down these numbers. Example:2.53 = two point five three

English exercise "Cardinal and ordinal numbers" created by anonyme with The test builder.

18%

3.56

4/7

98%

23.92

4/3

230%

0.156

1/4

12.67%

End of the free exercise to learn English: Cardinal and ordinal numbers
A free English exercise to learn English.
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