9.1.1: G.1.1- Numbers (los números)

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Cardinal Numbers

Cardinal numbers are the numbers we use to count (i.e., 1, 2, 3, 4, 5, etc.).

The spelling of uno changes depending on the gender of the noun it modifies. Uno is spelled un before a masculine noun and una before a feminine noun.
Ejemplo(s):
--un ejemplo (m.)
an example

--una pregunta (f.)
a question
1. Mil (1,000) is not pluralized when it is part of a specific number. Millón is pluralized.
  Ejemplo(s):
  --veinte mil, cien mil…
  twenty thousand, one hundred thousand
  
  --dos mil dólares ($2,000)
  two thousand dollars
  
  ----dos millones de dólares ($2,000,000)
  two million dollars
2. Mil may be used in the plural in more general statements.
  Ejemplo(s):
  --Miles de personas visitan 'El Parque de la Amistad' en Tijuana.
  Thousands of people visit 'El Parque de la Amistad' in Tijuana.
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.
Ejemplo(s):
16 = dieciséisé
17 = diecisiete
21 = veintiuno
22 = veintidós
23 = vientitrés
26 = veiniséis

Cien is used for the number 100 and before all nouns.
To say 101, 102-199, the form ciento is used.
Ejemplo(s):
--ciento uno, ciento dos, ciento noventa y nueve.

When plural (200-999) an -os or -as is added depending on the gender of the noun.

Spanish	English
Cien	100 or one hundred
Cien dólares	100 dollars
Cien páginas	100 pages
Ciento un dólares	101 dollars
Doscientos dólares	200 dollars
Doscientas páginas	200 pages

Spanish uses “.” (points) and “,” (commas) differently than English does. Points are used where one would expect a comma in English and vice versa.

Spanish	English
1.000 (mil)	1,000 (one thousand)
1.000.000 (un millón)	1,000,000 (one million)
86,5%	86.5%
“ochenta y seis con 5 por ciento”	“eighty six point five percent”

Numbers 0 - 2.000.000

0 cero	10 diez	20 veinte	30 treinta
1 uno	11 once	21 veintiuno	31 treinta y uno	not available
2 dos	12 doce	22 veintidós	32 treinta y dos
3 tres	13 trece	23 veintitrés	33 treinta y tres
4 cuatro	14 catorce	24 venticuatro	34 treinta y cuatro
5 cinco	15 quince	25 veinticinco	35 treinta y cinco
6 seis	16 dieciséis	26 veintiséis	36 treinta y seis
7 siete	17 diecisiete	27 veintisiete	37 treinta y siete
8 ocho	18 dieciocho	28 veintiocho	38 treinta y ocho
9 nueve	19 diecinueve	29 veintinueve	39 treinta y nueve

10 diez	100 cien	1.000 mil	10.000 diez mil
20 veinte	200 doscientos	2.000 dos mil	20.000 veinte mil
30 treinta	300 trescientos	3.000 tres mil	30.000 treinta mil
40 cuarenta	400 cuatrocientos	4.000 cuatro mil	40.000 cuarenta mil
50 cincuenta	500 quinientos	5.000 cinco mil	50.000 cincuenta mil
60 sesenta	600 seiscientos	6.000 seis mil	60.000 sesenta mil
70 setenta	700 setecientos	7.000 siete mil	70.000 setenta mil
80 ochenta	800 ochocientos	8.000 ocho mil	80.000 ochenta mil
90 noventa	900 novecientos	9.000 nueve mil	90.000 noventa mil

1.000.000 un millón
2.000.000 dos millones

Ordinal Numbers

Ordinal numbers are adjectives that we use to rank things, name streets, etc. (i.e. 1^st, 2^nd, 3^rd, 4^th, etc.). The last letter of ordinal numbers is variable so that it agrees in gender and number with the noun it modifies (like all adjectives). However, the "o" is dropped before masculine nouns for 1^st and 3^rd (primer párrafo, tercer párrafo). Ordinal numbers are rarely used beyond 10 in Spanish.

Número		Ordinal	Spanish	English
			El problema (m.) La solución (f.)	The problem The solution
1^st	1º	Primero	el primer problema la primera solución	the first problem the first solution
2^nd	2º	Segundo	el segundo problema la segunda solución	the second problem the second solution
3^rd	3º	Tercero	el tercer problema la tercera solución	the third problem the third solution
4^th	4º	Cuarto	el cuarto problema la cuarta solución	the fourth problem the fourth solution
5^th	5º	Quinto	el quinto problema la quinta solución	the fifth problem the fifth solution
6^th	6º	Sexto	el sexto problema la sexta solución	the sixth problem the sixth solution
7^th	7º	Séptimo	el séptimo problema la séptima solución	the seventh problem the seventh solution
8^th	8º	Octavo	el octavo problema la octava solución	the eighth problem the eighth solution
9^th	9º	Noveno	el noveno problema la novena solución	the ninth problem the ninth solution
10th	10º	Décimo	el décimo problema la décima solución	the tenth problem the tenth solution

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