Заполняем пропуски, соотнося порядковые числительные с их написанием словами.
| 1st | first |
| 2nd | second |
| 3rd | third |
| 4th | fourth |
| 5th | fifth |
| 6th | sixth |
| 10th | tenth |
| 12th | twelfth |
| 13th | thirteenth |
| 16th | sixteenth |
| 17th | seventeenth |
| 20th | twentieth |
| 22nd | twenty-second |
| 30th | thirtieth |
| 31st | thirty-first |