The Numbers 0–100(Los números del 0 al 100)
The Numbers 0–100
1 unodos
cero0
2tres3cuatro4
5 cinco
7 sieteocho
seis6
8nueve9diez10
11 oncedoce12trece13catorce14
15 quince
dieciséis
The Numbers 0–100
17diez y seis16
1819
veinte20
diez y sietediez y ochodiez y nueve
diecisietedieciochodiecinueve
The numbers from 16 to 19 (and from 21 to 29) are normally written as one word.
Formerly, these numbers could be written as three words, and may be encountered in this format in older publications:
When written as one word, dieciséis must bear a written accent as shown.
veintidósveintitrés
The Numbers 0–100
22(veinte y uno)21
2324
(veinte y cinco)25
(veinte y dos)(veinte y tres)(veinte y cuatro)
veintiuno
veinticuatroveinticincoveintiséis
27(veinte y seis)26
2829
treinta30
(veinte y siete)(veinte y ocho)(veinte y nueve)
veintisieteveintiochoveintinueve
Veintidós, veintitrés, and veintiséis must also bear a written accent as shown.
The Numbers 0–100
32treinta y uno31
cuarenta40
treinta y dos¿treintiuno?
etc.
cuarenta y uno41etc.
We do not condense the numbers to one
word after 30.
The Multiples of Ten
20
diez10
3040
cincuenta50
veintetreintacuarenta
70
sesenta60
8090
cien100
setentaochentanoventa
(Los múltiplos de diez)
Cien and ciento
100
101
cien
ciento uno
cien = 100 even
110 ciento diez
ciento quince, etc.115
cien → ciento with any number over 100 even
Notice that “y” (and) is not used between the hundreds’ and tens’ places.
Uno, un and unaThe counting number uno becomes un before a masculine singular noun . . .
un libro → one bookun profesor → one professor (male)
. . . and una before a feminine singular noun.
una mesa → one tableuna profesora → one professor (female)
In compound numbers, -uno becomes -ún before a masculine noun and -una before a feminine noun.
veintiún libros twenty-one booksveintiuna profesoras → twenty-one professors
→
FIN