Aprendemos a contar con los números básicos.

(We learn to count with the basic numbers.)

  1. The numbers from 0 to 9 are called unidades.
  2. From 0 to 15 are unique numbers and do not follow a specific pattern.
  3. From 16 to 19, "dieci" is combined with the units. Example: Diecisiete (17)
  4. The 0 is pronounced "cero".

Números del 1 al 20 (Numbers from 1 to 20)

1: Uno (One)11: Once (Eleven)
2: Dos (Two)12: Doce (Twelve)
3: Tres (Three)13: Trece (Thirteen)
4: Cuatro (Four)14: Catorce (Fourteen)
5: Cinco (Five)15: Quince (Fifteen)
6: Seis (Six)16: Dieciséis (Sixteen)
7: Siete (Seven)17: Diecisiete (Seventeen)
8: Ocho (Eight)18: Dieciocho (Eighteen)
9: Nueve (Nine)19: Diecinueve (Nineteen)
10: Diez (Ten)20: Veinte (Twenty)

Exceptions!

  1. "Un par" means 2. Example: "Un par de zapatos" (a pair of shoes).
  2. "Una docena" means 12. Example: "Una docena de huevos" (A dozen eggs).

Exercise 1: Números cardinales: básicos

Instruction: Fill in the correct word.

Show translation Show answers

Uno, Once, Cinco, Nueve, Tres, Trece, Diez, Seis

1. 5:
...
(Five)
2. 3:
...
(Three)
3. 10:
...
(Ten)
4. 11:
...
(Once)
5. 6:
...
(Six)
6. 9:
...
(Nine)
7. 13:
...
(Thirteen)
8. 1:
...
(One)

Exercise 2: Multiple choice

Instruction: Choose the correct answer

1. Tu clase es a las ______ y terminas a las diez.

Your class is at ______ and it finishes at ten.)

2. En el piso vivimos ______ personas, no tres.

There are ______ people living in the flat, not three.)

3. Quiero una docena de huevos y ______ manzanas, por favor.

I want a dozen eggs and ______ apples, please.)

4. En mi grupo hay ______ estudiantes, pero hoy vienen solo once.

There are ______ students in my group, but today only eleven are coming.)

Exercise 3: Rewrite the phrases

Instruction: Rewrite the sentences by writing the numbers in words (one, two, three… twenty, zero, a pair, a dozen).

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  1. Tengo 3 hermanos.
    ⇒ _______________________________________________ Example
    Tengo tres hermanos.
    (I have three brothers.)
  2. En mi clase hay 18 estudiantes.
    ⇒ _______________________________________________ Example
    En mi clase hay dieciocho estudiantes.
    (There are eighteen students in my class.)
  3. Mi número de teléfono tiene 10 cifras.
    ⇒ _______________________________________________ Example
    Mi número de teléfono tiene diez cifras.
    (My phone number has ten digits.)
  4. Compro 2 cafés para mis colegas.
    ⇒ _______________________________________________ Example
    Compro dos cafés para mis colegas.
    (I buy two coffees for my colleagues.)
  5. Hint Hint (una docena) Necesitamos 1 docena de huevos para la cena.
    ⇒ _______________________________________________ Example
    Necesitamos una docena de huevos para la cena.
    (We need a dozen eggs for dinner.)
  6. En mi agenda tengo 0 reuniones hoy.
    ⇒ _______________________________________________ Example
    En mi agenda tengo cero reuniones hoy.
    (I have zero meetings on my schedule today.)

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