Numeros Grandes

Question 1

When does “uno” shorten to “un”?

Answer 1

Before a masculine noun. Ex: cincuenta y un profesores. Un libro.

Question 2

When does “una” shorten to “un”?

Answer 2

Before a noun beginning with a stressed a sound. Ex: un águila, veintiun aulas

Question 3

When are numbers ending in “uno” used?

Answer 3

In counting and when no masculine noun follows directly. Ex: Cuesta treinta y dos pesos? No, cuesta treinta y uno.

Question 4

100

Answer 4

cien

Question 5

101

Answer 5

ciento uno

Question 6

110

Answer 6

ciento diez

Question 7

When does “cien” become “ciento?”

Answer 7

When 100 is followed by another number. Ex: ciento setenta (170).

Question 8

1000

Answer 8

mil

Question 9

2000

Answer 9

dos mil (NOT miles!)

Question 10

Do numbers ending in cientos agree with the noun they describe?

Answer 10

Yes. Ex: mil doscientas ochenta palabras.

Question 11

million

Answer 11

millón

Question 12

Millón must be followed by…

Answer 12

de. Ex: dos millones de pesos

Question 13

a billion

Answer 13

mil millones

Question 14

a trillion

Answer 14

un billón

Question 15

200

Answer 15

doscientos/as

Question 16

300

Answer 16

trescientos/as

Question 17

400

Answer 17

cuatrocientos/as

Question 18

500

Answer 18

quinientos/as

Question 19

600

Answer 19

seiscientos/as

Question 20

700

Answer 20

setecientos/as

Question 21

800

Answer 21

ochocientos/as

Question 22

900

Answer 22

novecientos/as

Question 23

1,821 tacos

Answer 23

mil ochocientos veintiún tacos

Question 24

first

Answer 24

primero

Question 25

second

Answer 25

segundo

Question 26

third

Answer 26

tercero

Question 27

fourth

Answer 27

cuarto

Question 28

fifth

Answer 28

quinto

Question 29

sixth

Answer 29

sexto

Question 30

seventh

Answer 30

séptimo

Question 31

eighth

Answer 31

octavo

Question 32

ninth

Answer 32

noveno

Question 33

tenth

Answer 33

décimo

Question 34

Which ordinal numbers drop their “o” and when?

Answer 34

Primero becomes primer, and tercero becomes tercer before a singular masculine noun. Ex: El tercer piso.

Question 35

What does Spanish usually do for ordinal numbers above 10th?

Answer 35

They use the cardinal number after the noun. Ex: el capitulo doce.