Unit 0

Cardinal numbers 11+

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Introduction

Numbers [números] can be represented by digits or words and generally express quantity (cardinal numbers) or order in a sequence (ordinal numbers).

Cardinal numbers [números cardinales] are used to indicate the quantity of something.

Form

Other cardinal numbers have the following forms:

  • 11 – once;
  • 12 – doce;
  • 13 – trece;
  • 14 – catorce;
  • 15 – quince;
  • 16 – dieciséis;
  • 17 – diecisiete;
  • 20 – veinte;
  • 21 – veintiuno;
  • 22 – veintidós;
  • 23 – veintitrés;
  • 24 – veinticuatro;
  • 25 – veinticinco;
  • 26 – veintiséis;
  • 27 – veintisiete;
  • 28 – veintiocho;
  • 30 – treinta;
  • 31 – treinta y uno;
  • 32 – treinta y dos;
  • 33 – treinta y tres;
  • 40 – cuarenta;
  • 41 – cuarenta y uno;
  • 50 – cincuenta;
  • 60 – sesenta;
  • 70 – setenta;
  • 80 – ochenta;
  • 90 – noventa;
  • 100 – cien;
  • 101 – ciento uno;
  • 102 – ciento dos;
  • 112 – ciento doce;
  • 167 – ciento sesenta y siete;
  • 200 – doscientos;
  • 203 – doscientos tres;
  • 217 – doscientos diecisiete;
  • 300 – trescientos;
  • 400 – cuatrocientos;
  • 500 – quinientos;
  • 600 – seiscientos;
  • 700 – setecientos;
  • 800 – ochocientos;
  • 900 – novecientos;
  • 1.000 – mil;
  • 1.030 – mil treinta;
  • 1.640 – mil seiscientos cuarenta;
  • 2.000 – dos mil;
  • 3.000 – tres mil;
  • 10.000 – diez mil;
  • 100.000 – cien mil;
  • 1.000.000 – un millón;
  • 2.000.000 – dos millones;
  • 2.345.678 – dos millones trescientos cuarenta y cinco mil seiscientos setenta y ocho.

NOTE: The numbers 0-15; 30, 30, 100, 1000… have their name.
Numbers 16-19, 21-29 are written together as one word.
Numbers from 31 to 99 are written separated by coordinates: [tens + y + units].
From 100 onwards, they are written separated by juxtaposition (without the connector «).

 

Example

  1. Tengo trece cromos azules;
  2. Tu casa mide veinticinco metros;
  3. Esta estatua tiene quinientos años;
  4. Llegamos el quince de abril;
  5. Son las doceveinte;
  6. Estamos en el año dos mil diecinueve.

Use

Cardinal numbers are used to indicate:

  1. numbers of people, animals or things;
  2. measurements, weights, and distances;
  3. age;
  4. dates;
  5. hours;
  6. years.

Summary

Cardinal numbers are used to indicate the quantity of something. In English:

  • Numbers 0-15; 30, 30, 100, 1000…have their own name.
  • Numbers 16 to 19, 21 to 29 are written together to form a single word.
  • Numbers from 31 to 99 are written separated by coordination: [tens + y + units].
  • From 100 onwards, they are written separated by juxtaposition (without the connector “y“).

For example:
— «doce perros.» = 12 perros.
— «ciento doce perros.» = 112 perros.
— «seiscientos perros.» = 600 perros.
— «tres mil perros.» = 3000 perros.

Check the contents of the {Form} section. Then move on to the {Example} section, which shows you the usage in context.

Exercises


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