Spelling of Ordinal Numbers
JUST ADD TH TO THE CARDINAL NUMBER:
- · four - fourth
- · eleven - eleventh
Exceptions:
- one - first
- two - second
- three - third
- five - fifth
- eight - eighth
- nine - ninth
- twelve - twelfth
Compound ordinal numbers: only the last figure is written as an ordinal number:
- 421st = four hundred and twenty-first
- 5,111th = five thousand, one hundred and eleventh
Figures
The last two letters of the written word are added to the ordinal number
- first = 1st
- second = 2nd
- third = 3rd
- fourth = 4th
- twenty-sixth = 26th
- hundred and first = 101st
