|Cardinal numbers are 1,2,3,4,5,6.........|
Ordinal Numbers: When objects are placed in order we use ordinal numbers to address each object. Such numbers are called ordinal numbers.
|1st ||first ||11th ||eleventh ||21st ||twenty-first |
|2nd ||second ||12th ||twelfth ||22nd ||twenty-second |
|3rd ||third ||13th ||thirteenth || 23rd||twenty-third |
| 4th|| fourth||14th ||fourteenth ||24th ||twenty-fourth |
| 5th|| fifth||15th ||fifteenth ||25th ||twenty-fifth |
| 6th||sixth ||16th ||sixteenth ||26th ||twenty-sixth |
| 7th||seventh ||17th ||seventeenth ||27th ||twenty-seventh |
| 8th|| eighth|| 18th||eighteenth || 28th||twenty-eighth |
| 9th|| ninth||19th ||ninteenth ||29th ||twenty-ninth |
| 10th||tenth ||20th || twentieth||30th ||thirtieth |
What is the ordinal number for 30th.
This is written as Thirtieth.
Directions: Answer the following questions. Also write at least 10 examples of your own.