one first 1st

two second 2nd

three third 3rd

four fourth 4th

five fifth 5th

six sixth 6th

seven seventh 7th

eight eighth 8th

nine ninth 9th

ten tenth 10th

eleven eleventh 11th

twelve twelfth 12th

thirteen thirteenth 13th

fourteen fourteenth 14th

fifteen fifteenth 15th

sixteen sixteenth 16th

seventeen seventeenth 17th

eighteen eighteenth 18th

nineteen nineteenth 19th

twenty twentieth 20th

twenty-one twenty-first 21st

twenty-two twenty-second 22nd

twenty-three twenty-third 23rd

twenty-four twenty-fourth 24th

twenty-five twenty-fifth 25th

twenty-six twenty-sixth 26th

twenty-seven twenty-seventh 27th

twenty-eight twenty-eighth 28th

twenty-nine twenty-ninth 29th

thirty thirtieth 30th