Ordinal Numbers
Overview
Ordinal numbers, as the name suggests, are adjectives that indicate the order of nouns in a series.
Ordinal Numbers
Below you will find a table of Spanish ordinal numbers. All ordinal numbers must match the noun they modify in gender and number
1st to 1893rd Place
1st | primero (primer) | 30th | trigésimo |
2nd | segundo | 40th | cuadragésimo |
3rd | tercero (tercer) | 50th | quincuagésimo |
4th | cuarto | 60th | sexagésimo |
5th | quinto | 70th | septuagésimo |
6th | sexto | 80th | octogésimo |
7th | séptimo | 90th | nonagésimo |
8th | octavo | 100th | centésimo |
9th | noveno | 101st | centésimo primero |
10th | décimo | 200th | ducentésimo |
11th | undécimo | 300th | tricentésimo |
12th | duodécimo | 400th | cuadringentésimo |
13th | decimotercero | 500th | quingentésimo |
14th | decimocuarto | 600th | sexcentésimo |
15th | decimoquinto | 700th | septingentésimo |
16th | decimosexto | 800th | octingentésimo |
17th | decimoséptimo | 900th | noningentésimo |
18th | decimoctavo | 1000th | milésimo |
19th | decimonoveno | 1001st | milesimoprimero |
20th | vigésimo | 1111th | milésimo centésimo undécimo |
21st - 99th | vigesimoprimero, trigésimo segundo, cuadragésimo tercero... | 1893rd | milésimo octingentésimo nonagésimo tercero |
Examples
- Mira la octava página. (Look at the eighth page.)
- Neil Armstrong fue el primer hombre en la luna. (Neil Armstrong was the first man on the moon.)
- Fuimos las primeras personas invitados la la fiesta. (We were the first people invited to the party.)
- En la tercera hora, tengo la clase de matemáticas. (In third period, I have math class.)
¡Ojo! A Few Notes
Numbers Past 20
For ordinal numbers past 20th, combine the respective ordinal numbers.
- 29th -> 20th + 9th = vigesimonoveno
- 177th -> 100th + 70th + 7th = centésimo septuagésimo séptimo
Ending Changes
Notice that primero and tercero change to primer and tercer respectively when they precede a singular masculine noun.
- Juan está en el tercer piso. (Juan is on the third floor.)
- ...el primer hombre... (the first man)
Abbreviations
Ordinal numbers in English take -st for one (1st), -nd for two (2nd), -rd for three (3rd), and -th for the rest of the numbers (4th, 5th,...). In Spanish you add º for all numbers, ª if you are counting feminine nouns, and er (written as a superscript) for shorter versions such as tercer (3er).
- primero -> 1º
- tercera -> 3ª
Exercises
1) Fill in the blanks with the written form of the provided ordinal number to complete the sentences.
Example: Soy la ___|\___|\___| (1a) persona en la oficina hoy. -> Soy la primera persona en la oficina hoy.
- El ___|__ (1º) de enero celebramos el Año Nuevo.
- Yo vivo en el ___|\___|\___| (12º) piso.
- ¿Hiciste la ___|\___|__ (4ª) actividad?
- ¿Quién era tu profesora en el ___|\___|__ (7º) grado?
- Es la ___|\___|\___| (2ª) puerta a la derecha.
Answers
- primero
- duodécimo
- cuarta
- séptimo
- segunda