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Numbers

The spelling of "uno" (one in English) will change depending on the gender of the noun it modifies. "Uno" is spelled "un" before a masculine noun and "una" before a feminine noun. For example, un chico (one boy) or una chica (one girl).  See Lesson “Nouns & Articles (Sustantivos)” for more information about Nouns and gender.
 

"Mil" (1000) is never pluralized however “million” (1,000,000) is pluralized. For example, dos mil chicos (two thousand boys) or dos millones de chicos (two million boys).
 

Numbers 16 to 29 are commonly written as one word or as two words connected by "y" (and).  An accent is added to the one word spelling of 16, 22, 23 and 26.  For example:

 

 

Number

Spelling:

One word

Spelling:

Two words and "y"

16

Dieciséis

Diez y seis

17

Diecisiete

Diez y siete

22

Veintidós

Veinte y dos

23

Veintitrés

Veinte y tres

26

Veintiséis

Veinte y seis

28

Veintiocho

Veinte y ocho

 

 

"Cien" is used for the number 100 and before all nouns. When plural an -os or -as is added depending on the gender of the noun. For example:

 

 

Number

 

English

Cien

100 or one hundred

Cien chicos

100 boys

Cien chicas

100 girls

Doscientos chicos

200 boys

Doscientas chicas

200 girls

 
 
Vocabulary for Numbers

Vocabulary - Spanish

Vocabulary - English

Uno

1

Dos

2

Tres

3

Cuatro

4

Cinco

5

Seis

6

Siete

7

Ocho

8

Nueve

9

Diez

10

Once

11

Doce

12

Trece

13

Catorce

14

Quince

15

Dieciséis

16

Diecisiete

17

Dieciocho

18

Diecinueve

19

Veinte

20

Veintiuno

21

Veintidós

22

Veintitrés

23

Veinticuatro

24

Veinticinco

25

Veintiséis

26

Veintisiete

27

Veintiocho

28

Veintinueve

29

Treinta

30

Cuarenta

40

Cincuenta

50

Sesenta

60

Setenta

70

Ochenta

80

Noventa

90

Cien

100

Ciento uno

101

Ciento dos

102

Ciento tres

103

Ciento cuatro

104

Ciento cinco

105

Ciento seis

106

Ciento siete

107

Ciento ocho

108

Ciento nueve

109

Ciento diez

110

Doscientos

200

Trescientos

300

Cuatrocientos

400

Quinientos

500

Seiscientos

600

Setecientos

700

Ochocientos

800

Novecientos

900

Mil

1000

Mil uno

1001

Mil dos

1002

Mil tres

1003

Mil cuatro

1004

Mil cinco

1005

Mil seis

1006

Mil siete

1007

Mil ocho

1008

Mil nueve

1009

Mil diez

1010

Dos mil

2000

Tres mil

3000

Cuatro mil

4000

Cinco mil

5000

Seis mil

6000

Siete mil

7000

Ocho mil

8000

Nueve mil

9000

Diez mil

10000

Un millón

1000000