There are two kinds of numbers in English. We call them ordinal and cardinal number. They are not interchangeable. We use these numbers to count something, to say our age, to tell the date etc. Let’s see these two kinds of numbers and their use in our daily life: ordinal cardinal numbers.
Cardinal numbers are used to count things, while ordinal numbers are used to show the order or position of something in a sequence.
- Cardinal numbers: One, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty, etc.
- Ordinal numbers: First, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth, twentieth, etc.
For example, you would use a cardinal number to say “I have three apples.” But you would use an ordinal number to say “He is the first person to finish the race.”
Cardinal Number List
| Figures | Numbers | Figures | Numbers |
|---|---|---|---|
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty |
21 22 23 24 25 26 27 28 29 30 40 50 60 70 80 90 100 1,000 1,000,000 1,000,000,000 |
twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine thirty forty fifty sixty seventy eighty ninety a hundred a thousand a million a billion |
Ordinal Numbers List | Ordinal Cardinal Numbers
| Figures | Numbers | Figures | Numbers |
|---|---|---|---|
| 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th |
first second third fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth |
21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 40th 50th 60th 70th 80th 90th 100th 1,000th 1,000,000th 1,000,000,000th |
twenty-first twenty-second twenty-third twenty-fourth twenty-fifth twenty-sixth twenty-seventh twenty-eighth twenty-ninth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth hundredth thousandth millionth billionth |
Ordinal Cardinal Number Exercises
Exercise I
Write the following numbers in words.
Example:
9 nine
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3 ………………………….
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5 …………………………
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8 …………………………
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10 …………………………
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11 …………………………
-
12 …………………………
-
13 …………………………
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14 …………………………
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15 …………………………
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18 …………………………
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20 …………………………
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31 …………………………
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40 …………………………
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56 …………………………
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90…………………………
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100…………………………
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205…………………………
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900…………………………
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970…………………………
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1,000………………………
Exercise II
Write the following ordinal numbers in words.
Example:
11th the eleventh
-
1st …………………………..
-
2nd…………………………..
-
3rd …………………………..
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4th…………………………..
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5th…………………………..
-
9th…………………………..
-
10th…………………………..
-
12th………………………….
-
13th………………………….
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14th………………………….
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15th………………………….
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19th…………………………
-
20th…………………………
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21st…………………………
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22nd…………………………
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23rd…………………………
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25th………………………….
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29th………………………….
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30th…………………………
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31st…………………………
Exercise III
Underline the correct words in the brackets to complete the sentences.
Example:
I was born on (the twenty first, twenty one) of April.
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Today is (the first, one) of February, 2021.
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He got (the second, two) winner in that competition.
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I’ve got (the second, two) brothers.
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Life in (the twenty first, twenty one) century is more challenging.
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Do you live on (the third, three) floor?
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Take (the first, one) turning on the left.
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I just finished reading (the seventh, seven) chapter.
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It’s her (eighteenth, eighteen) birthday today.
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Who’s (the first, one) president of Indonesia?
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(Second, two) hand items are always cheaper than the brand new one.
Answer
Exercise I
- 3 three.
- 5 five
- 8 eight
- 10 ten
- 11 eleven
- 12 twelve
- 13 thirteen
- 14 fourteen
- 15 fifteen
- 18 eighteen
- 20 twenty
- 31 thirty-one
- 40 forty
- 56 fifty-six
- 90 ninety
- 100 a/one hundred
- 205 two hundred and five
- 900 nine hundred
- 970 nine hundred and seventy
- 1,000 a/one thousand
Exercise II
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1st the first
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2nd the second
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3rd the third
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4th the fourth..
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5th the fifth
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9th the ninth
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10th the tenth
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12th the twelfth
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13th the thirteenth
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14th the fourteenth
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15th the fifteenth
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19th the nineteenth
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20th the twentieth
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21st the twenty first
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22nd the twenty-second
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23rd the twenty-third
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25th the twenty-fifth
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29th the twenty-ninth
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30th the thirtieth
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31st the thirty-first
Exercise III
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Today is (the first, one) of February, 2021.
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He got (the second, two) winner in that competition.
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I’ve got (the second, two) brothers.
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Life in (the twenty first, twenty one) century is more challenging.
-
Do you live on (the third, three) floor?
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Take (the first, one) turning on the left.
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I just finished reading (the seventh, seven) chapter.
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It’s her (eighteenth, eighteen) birthday today.
-
Who’s (the first, one) president of Indonesia?
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(Second, two) hand items are always cheaper than the brand new one.
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