Here are the ordinal numbers in English:
First: primer, ordinal number 1
Second: segundo, ordinal number 2
Third: tercero, ordinal number 3
Fourth: cuarto, ordinal number 4
Fifth: quinto, ordinal number 5
Sixth: sexto, ordinal number 6
Seventh: séptimo, ordinal number 7
Eighth: octavo, ordinal number 8
Ninth: nono, ordinal number 9
Tenth: décimo, ordinal number 10
Eleventh: undécimo, ordinal number 11
Twelfth: duodécimo, ordinal number 12
Thirteenth: decimotercero, ordinal number 13
Fourteenth: decimcuarto, ordinal number 14
Fifteenth: decimquinto, ordinal number 15
Sixteenth: decimosexto, ordinal number 16
Seventeenth: decimoséptimo, ordinal number 17
Eighteenth: decimoctavo, ordinal number 18
Nineteenth: decimonono, ordinal number 19
Twentieth: vigésimo, ordinal number 20
Twenty-first: vigesimo primero, ordinal number 21
Twenty-second: vigesimo segundo, ordinal number 22
Twenty-third: vigesimo tercero, ordinal number 23
Twenty-fourth: vigesimo cuarto, ordinal number 24
Twenty-fifth: vigesimo quinto, ordinal number 25
Twenty-sixth: vigesimo sexto, ordinal number 26
Twenty-seventh: vigesimo séptimo, ordinal number 27
Twenty-eighth: vigesimo octavo, ordinal number 28
Twenty-ninth: vigesimo nono, ordinal number 29
Thirtieth: trigésimo, ordinal number 30
Thirty-first: trigésimo primero, ordinal number 31
Thirty-second: trigésimo segundo, ordinal number 32
Thirty-third: trigésimo tercero, ordinal number 33
Thirty-fourth: trigésimo cuarto, ordinal number 34
Thirty-fifth: trigésimo quinto, ordinal number 35
And so on…
Here are some examples of how to use ordinal numbers in sentences:
* I was first in line at the concert. (Yo fui el primero en la cola en el concierto.)
* She is a second-shift nurse. (Ella es una enfermera de la segunda turno.)
* The third prize was won by John. (El tercer premio fue ganado por John.)
* The fifth floor has the best view of the city. (El quinto piso tiene la mejor vista de la ciudad.)
I hope that helps! Let me know if you have any other questions.
