Chapter 13: Los Números 21-100 (Numbers 21-100)

Expand your counting skills in Spanish all the way up to one hundred.

Objectives

By the end of this chapter, you will be able to:

Introduction/Warm-up

¡Hola de nuevo! In Chapter 4, you learned the numbers from zero to twenty-nine. Now, we're going to expand your numerical knowledge and learn how to count all the way up to one hundred in Spanish! Knowing these larger numbers will be very useful in many everyday situations, from shopping to talking about time and more.

(Optional Review): Can you quickly count from ten (diez) to twenty (veinte) in Spanish? This will help us see the patterns as we learn the next set of numbers!

Numbers 21-100

Los Números 21-29

The numbers from 21 to 29 follow a pattern: veinti- (twenty-) + a single digit, written as one word.

Las Decenas (The Tens)

(Note: "ciento" is used when 100 is part of a larger number like 101, but for 100 itself, use "cien".)

Forming Numbers 31-99

To form numbers from 31 to 99, you combine the tens with the single digits using the word "y" (and).

Pronunciation Tips:

Practice Activities


Recognition Practice:
Exercise 1: Matching Numbers

Instructions: Draw a line (mentally or on paper) to match the written Spanish number on the left with its numerical form on the right.

 cuarenta y dos   (  ) 67
 veintiséis       (  ) 42
 setenta y uno    (  ) 26
 cincuenta y nueve (  ) 93
 noventa y tres   (  ) 59
 sesenta y siete  (  ) 71

Answer Key:

 cuarenta y dos   →   42
 veintiséis       →   26
 setenta y uno    →   71
 cincuenta y nueve →   59
 noventa y tres   →   93
 sesenta y siete  →   67
Exercise 2: Listening Comprehension (Imagine Audio)

Instructions: Imagine you are listening to someone say the following numbers in Spanish. Write down the numeral you hear.

  1. __________ (treinta y seis )
  2. __________ (ochenta y dos )
  3. __________ (veintiocho )
  4. __________ (cincuenta y cuatro )
  5. __________ (noventa y nueve )

Answer Key:

  1. 36
  2. 82
  3. 28
  4. 54
  5. 99
Exercise 3: Identifying Tens

Instructions: Choose the correct Spanish word for the given ten (correct answer bolded in key).

  1. 50: ___________ (cincuenta / cuarenta / sesenta)
  2. 80: ___________ (setenta / ochenta / noventa)
  3. 30: ___________ (treinta / catorce / trece)

Answer Key:

  1. cincuenta
  2. ochenta
  3. treinta

Production Practice:

Instructions: Practice the following speaking and writing exercises.

Exercise 1: Counting Aloud

Practice counting aloud in Spanish from 21 to 40. Then try counting by tens from 30 to 100. (Use the vocabulary above for pronunciation help!)

(No answer key - focus on practice)

Exercise 2: Number Recall

Have someone (or use flashcards) prompt you with the English numbers from 21 to 100. Respond by saying the Spanish equivalent aloud. Focus on numbers with the "y" in between.

(No answer key - focus on practice)

Exercise 3: Stating Age

Instructions: Practice saying the following ages in Spanish:

  • 35 years old
  • 62 years old
  • 98 years old
  • 21 years old
  • 49 years old

Answer Key:

  • Treinta y cinco años
  • Sesenta y dos años
  • Noventa y ocho años
  • Veintiún años (Note: "veintiuno" becomes "veintiún" before a masculine noun)
  • Cuarenta y nueve años
Exercise 4: Asking "How many?"

Instructions: Practice asking "¿Cuántos/as...?" (How many...?) and answering with a number between 21 and 100, followed by a noun we've learned (e.g., libros, mesas, amigos).

Example:

¿Cuántos libros tienes? 
Tengo cuarenta y dos libros. 

(No answer key - focus on practice)


Interactive Activity (with a study partner or imagining a scenario):
Exercise 1: Number Bingo

Instructions: Create bingo cards with a mix of Spanish numbers from 21 to 100 written on them. One person calls out English numbers, and the others mark them off on their cards. The first person to get a line (horizontal, vertical, or diagonal) wins.

Exercise 2: Guess the Number

Instructions: One person thinks of a number between 21 and 100 and gives clues using "mayor que" (greater than) and "menor que" (less than). The other person tries to guess the number.

Example:

Person A: Pienso en un número entre veinte y cien. Es mayor que cincuenta.
Person B: ¿Es sesenta y cinco?
Exercise 3: Ordering Quantities

Instructions: In pairs, pretend you are ordering items. One person asks for a quantity (e.g., "¿Cuántas manzanas quieres?" - How many apples do you want?), and the other person responds with a number between 21 and 100 (e.g., "Quiero treinta y dos manzanas." - I want thirty-two apples.).

Cultural Insight

Numbers play a significant role in daily life, from stating prices in markets to giving addresses and phone numbers. Understanding larger numbers allows for more detailed and practical communication in Spanish-speaking environments.

Age is often a topic of conversation, and knowing how to express and understand ages up to one hundred is essential for social interactions.

When shopping, you will frequently encounter prices involving these numbers. Being able to understand and say them will greatly enhance your ability to navigate commercial situations.

In some cultural contexts, certain numbers might have specific connotations (superstitions, cultural significance), though this is less directly related to simply learning the numerical vocabulary itself.

La Hora del Cuento (Story Time)

Let's use some of the numbers you've learned in a short story!

El Cumpleaños de Sofía

Hoy es el cumpleaños de Sofía. Ella tiene veintiséis años. Su amigo Carlos quiere comprarle un regalo.

Carlos va a una tienda. Ve muchos libros. Un libro cuesta treinta y cinco dólares. Otro libro cuesta cuarenta y ocho dólares. Carlos quiere un libro bueno, pero no quiere gastar mucho dinero.

Carlos ve unas flores. Unas flores rojas cuestan veintidós dólares. Unas flores amarillas cuestan treinta y uno dólares. Sofía quiere flores amarillas.

Carlos compra las flores amarillas por treinta y uno dólares. También compra un pastel pequeño por quince dólares.

Por la noche, Carlos va a la casa de Sofía. Hay muchas personas. Sofía está muy feliz. Ella recibe muchos regalos. Un amigo le da veintitrés chocolates. Otra amiga le da cincuenta postales.

Carlos le da las flores amarillas y el pastel.
—¡Muchas gracias, Carlos! —dice Sofía—. ¡Tengo veintiséis años y este es un cumpleaños muy feliz!

Sofía's Birthday (Translation)

Today is Sofía's birthday. She is twenty-six years old. Her friend Carlos wants to buy her a gift.

Carlos goes to a store. He sees many books. One book costs thirty-five dollars. Another book costs forty-eight dollars. Carlos wants a good book, but he doesn't want to spend a lot of money.

Carlos sees some flowers. Some red flowers cost twenty-two dollars. Some yellow flowers cost thirty-one dollars. Sofía wants yellow flowers.

Carlos buys the yellow flowers for thirty-one dollars. He also buys a small cake for fifteen dollars.

In the evening, Carlos goes to Sofía's house. There are many people. Sofía is very happy. She receives many gifts. One friend gives her twenty-three chocolates. Another friend gives her fifty postcards.

Carlos gives her the yellow flowers and the cake.
—Thank you very much, Carlos! —says Sofía—. I am twenty-six years old, and this is a very happy birthday!

Review and Consolidation

Key Vocabulary:

veintiuno - veintinueve, treinta, cuarenta, cincuenta, sesenta, setenta, ochenta, noventa, cien, y (and - for numbers 31-99).

Review words: dólares, regalo, tienda, muchas/muchos, poco, rojas, amarillas, pastel, cumpleaños, recibe, chocolates, postales.

Key Grammar:

Forming numbers from 21-100, using "tener" to express age, using "querer" to express wanting to buy.

Self-Assessment:
Further Practice:

Looking Ahead

Excellent work on expanding your knowledge of Spanish numbers up to one hundred! In our next chapter, we will learn the verb 'ir' (to go). You will discover how to conjugate this important verb and use it to talk about going to different places, as well as the simple future tense using 'ir a' + infinitive. Get ready to talk about your plans and destinations in Spanish!


Previous Chapter: ¿Qué quieres? Next Chapter: El Verbo Ir