Ordinal numbers up to 100th
key notes :
Cardinal numbers tell how many.
- Counting numbers like one (1), two (2), and three (3) are cardinal numbers.
Ordinal numbers tell position.
- Position numbers like first (1st), second (2nd), and third (3rd) are ordinal numbers.
| first | 1st |
| second | 2nd |
| third | 3rd |
| fourth | 4th |
| fifth | 5th |
| sixth | 6th |
| seventh | 7th |
| eighth | 8th |
| ninth | 9th |
| tenth | 10th |
| eleventh | 11th |
| twelfth | 12th |
| thirteenth | 13th |
| fourteenth | 14th |
| fifteenth | 15th |
| sixteenth | 16th |
| seventeenth | 17th |
| eighteenth | 18th |
| nineteenth | 19th |
| twentieth | 20th |
| twenty-first | 21st |
| twenty-second | 22nd |
| twenty-third | 23rd |
| twenty-fourth | 24th |
| thirtieth | 30th |
| thirty-first | 31st |
| fortieth | 40th |
| fiftieth | 50th |
| sixtieth | 60th |
| seventieth | 70th |
| eightieth | 80th |
| ninetieth | 90th |
| hundredth | 100th |
Learn with an example
➡️ What is the ninth letter in this passage?
you can lead a horse to water , but you can’t make him drink .
Count the letters until you reach 9. The a in “lead” is the ninth letter.
What is the tenth letter in this passage?
All around the mulberry bush, the monkey chased the weasel. The monkey stopped to pull up his sock, pop! goes the weasel.
Count the letters until you reach 10. The t in the first “the” is the tenth letter.
What is the third letter in this passage?
A man and his wife had the good fortune to possess a goose that laid a golden egg every day.
Count the letters until you reach 3. The a in “man” is the third letter.Back to practice
let’s practice!
