Ordinal numbers from 1st to 10th

1st : Primero
2nd : Segundo
3rd : Tercero
4th : Cuarto
5th : Quinto
6th : Sexto
7th : Séptimo
8th : Octavo
9th : Noveno
10th : Decimo

Examples :

• El lunes es el primero día de la semana. (Monday is the first day of the week).
• Es el noveno vuelo humanitario desde Francia. (It is the 9th humanitarian flight from France).

Ordinal numbers from the 11th to the 100th

11th : undécimo
12th : duodécimo
13th : decimotercero
14th : decimocuarto
15th : decimoquinto
16th : decimosexto
17th : decimoséptimo
18th : decimoctavo
19th : decimonoveno

20th : vigésimo
21th : vigésimo primero
22th : vigesimo segundo
23th : vigésimo tercero
24th : vigésimo cuarto
25th : vigésimo quinto

30th : trigésimo
40th : cuadragésimo
50th : quincuagésimo
60th : sexagésimo
70th : septuagésimo
80th : octogésimo
90th : nonagésimo
100th : centésimo

Examples :

• Lana celebra su centésimo aniversario el 18 de julio. (Lana celebrates her 100th birthday on July 18)
• Es la vigésimo tercera conferencia. (This is the 23rd conference.)

Spanish Calculations

Let’s see how to perform simple mathematical operations in Spanish.

Addition

To add in Spanish, we use “más” (plus).

4+4 = 8
cuatro más cuatro son ocho (four plus four is eight)

1+0 = 1
uno más cero es uno (one plus zero is one)

Subtraction

To make a subtraction, we use “menos” (minus).

10-6 = 4
diez menos seis son cuatro (ten minus six is four)

9-8 = 1
nueve menos ocho es uno (nine minus eight is one)

Multiplication

To multiply, we use “por” (multiplied by).

3×2 = 6
tres por dos son seis (three multiplied by two makes six)

9×5 = 45
nueve por cinco son cuaranta y cinco (nine multiplied by five makes forty-five)

Division

To divide, we use “entre” (divided by).

6/2 = 3
seis entre dos son tres (six divided by two makes three)

5/5 = 1
cinco entre cinco es uno (five divided by five is one)

👉 Practice now!

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