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Ordinal Numbers
We use ordinal numbers to talk about the "order" of things or to define a thing's position in a series.
Note that after the numeral or digit, we write the last two letters of the word. For example, we take the last two letters of first and add them to the digit 1 to make 1st.
| 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 |
| hundred and first |
101st |
| hundred and fifty-second |
152nd |
| two hundredth |
200th |
| thousandth |
1,000th |
| millionth |
1,000,000th |
| billionth |
1,000,000,000th |
| trillionth |
1,000,000,000,000th |
Roman Numerals → |