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SPANISH STUDY GUIDE

Los números 0–30

Spanish Numbers — in plain English

Counting from cero to treinta is the foundation for prices, dates, ages, and saying how many of something there are. Below is every number with how to say it out loud, the three little grammar rules that go with numbers, and practice you can quiz yourself on.

Three small rules to know

these come up every time you use numbers

UN · UNA

"One" changes to match the noun

uno is the only number that changes. Before a masculine noun it drops to un; before a feminine noun it becomes una. This also happens at 21.

un hombre = veintiún hombres

una mujer = veintiuna mujeres

¡Ojo! When you're just counting (uno, dos, tres...) or it comes before a noun, you always use uno: la lección uno.

¿CUÁNTOS? · ¿CUÁNTAS?

"How many?"

Both mean how many — you just match the noun. Use ¿Cuántos? with masculine words and ¿Cuántas? with feminine words.

¿Cuántos chicos hay? — How many boys?

¿Cuántas chicas hay? — How many girls?

HAY

One word for "there is" & "there are"

hay covers both. Ask ¿Hay...? for "Is / Are there...?" and say no hay for "there isn't / aren't."

Hay tres chicas. — There are three girls. No hay mapas. — There aren't any maps.

Every number, 0 to 30

number · Spanish word · how to say it

SPOTLIGHT

The trickiest spellings: teens & twenties

These look long, but they're really just two words glued together. Spot the pattern and the spelling clicks.

16–19 start with dieci-

From diez (ten). Just add the next number.

dieci + séis = dieciséis

dieci + siete = diecisiete

21–29 start with veinti-

From veinte (twenty). Just add the next number.

veinti + dós = veintidós

veinti + cuatro = veinticuatro

Don't forget the accent

A few carry a written accent on the last part.

dieciséisveintidósveintitrésveintiséis

Helper words in plain English

The math words and the nouns from this lesson. Cover the right side and quiz yourself.

PRACTICE ZONE

Study materials

Tap any card to check your answer.

1 · Number → word

Say the Spanish word out loud, then tap to check the spelling and how to say it.

2 · Math problems

Solve each one, then tap to check. The answer is written out in words.

3 · ¿Cuántos hay?

Count the dots and say how many there are, then tap to check the full sentence.

4 · Write the word

Write the Spanish word for each number, then tap to check your spelling.

5 · Memory tips that make it click