Numbers 20–100
Bigger numbers: ages, prices, phone numbers.
Tens from 20 to 100. Ages, prices, addresses, phone numbers.
Look & say · Step 1
5 minGet ready
Count from 10 to 30 out loud in English.
How old are people in your family? Say 3 ages.
Say your phone number in English, digit by digit.
Words to learn · Step 2
8 minNew words today
twenty
20
"I am twenty years old."
thirty
30
"It costs thirty pounds."
forty
40
"My dad is forty."
fifty
50
"Fifty people are here."
sixty
60
"Sixty minutes in an hour."
seventy
70
"My grandma is seventy."
eighty
80
"Eighty euros, please."
ninety
90
"Ninety percent."
one hundred
100
"One hundred years."
age
How old you are
"What's your age?"
price
How much something costs
"The price is £45."
phone number
Digits to call you
"What's your phone number?"
Activate · Personalise · Recycle
Use these words now
Make each sentence true for you. Say it aloud to a partner.
price
"For me, price is …"
Finish the sentence with your own idea.
seventy
"For me, seventy is …"
Finish the sentence with your own idea.
phone number
"For me, phone number is …"
Finish the sentence with your own idea.
You'll meet these words again in Reading, Listening, Speaking and Homework.
Tap an item on the left, then tap its match on the right.
Sounds & saying · Step 3
5 min13 vs 30, 14 vs 40 — the tricky pairs
thirTEEN (stress END) vs THIRty (stress START). Same for 14/40, 15/50…
- • thir-TEEN ↔ THIR-ty
- • four-TEEN ↔ FOR-ty
- • fif-TEEN ↔ FIF-ty
- • six-TEEN ↔ SIX-ty
- • seven-TEEN ↔ SEV-en-ty
Language focus · Step 4
10 minBig numbers: tens + ones
Quick rule
Big numbers: tens + ones
Tens: 20, 30, 40, 50, 60, 70, 80, 90, 100.
- In-between: tens + hyphen + ones. 21 = twenty-one. 47 = forty-seven.
21 → twenty-one
35 → thirty-five
48 → forty-eight
72 → seventy-two
100 → one hundred
Question 1.How do you say 42?
Question 2.How do you say 60?
Question 3.How do you say 75?
Question 4.How do you say 100?
Rebuild each line, spot the natural chunks, then practise responding aloud.
Quick check 1.30 = ___
Quick check 2.50 = ___
Reading · Step 5
7 minAt the market
Maria is at the market. 🛒 She buys apples 🍎 for £3, bread 🍞 for £2, and cheese 🧀 for £15. The total is £20. She pays with a fifty-pound note 💷 and gets thirty pounds back. Then she calls her mum: 'Mum, my new phone number is oh-seven-nine-three, four-five-six, seven-eight-nine-zero!' 📱
Question 1.How much is the cheese?
Question 2.What is the total?
Question 3.How much change does Maria get?
Q1.Maria pays with a fifty-pound note.
Q2.The bread costs £15.
Listening · Step 6
10 minAges and phone numbers
Listening audio
Tap play to listen. Replay as many times as you need.
Anna
Hi! Can I have your name and age, please?
Tom
Sure. I'm Tom, and I'm thirty-four.
Anna
Thirty-four. And your wife?
Tom
She's twenty-nine.
Anna
Great. And your phone number?
Tom
It's oh-two-oh, seven-seven-five, six-eight-nine-one.
Anna
And your address number?
Tom
Forty-seven Green Street.
Question 1.How old is Tom?
Question 2.How old is his wife?
Question 3.What is Tom's house number?
Practice · Step 7
8 minChoose the word
Question 1.My grandfather is ___ years old. (70)
Question 2.The book costs ___ pounds. (25)
Question 3.There are ___ students in the class. (32)
Question 4.I live at number ___ . (88)
Q1.Write the word for 60: ___
Q2.Write the word for 41: ___
Survival English · Step 8
4 minListening — numbers in context
Task
Listen to a short message and write down the prices, ages, or phone numbers you hear.
Strategy
Listen for stress: '-TEEN' (high) vs '-ty' (low). Write digits, not words, the first time.
Example
You hear: 'forty-five pounds' → write £45.
Writing · Step 9
5 minWrite a little
Your task
Write 4 sentences using big numbers: your age, a family member's age, a price, and your house number.
Show model answer
I am twenty-six years old. My mother is fifty-two. My new shoes cost forty-five pounds. I live at number seventy-eight.
Speaking · Step 10
12 minTalk together
Pairs: ask and answer about age, phone number, address, and prices of 3 things in your bag.
Useful phrases
- • How old are you?
- • I'm ___ years old.
- • What's your phone number?
- • It's ___ .
- • How much is it?
- • It's ___ pounds / euros.
- AHow old are you?
- B_______________
- AWhat's your phone number?
- B_______________
- AHow much is the coffee?
- B_______________
Homework · Step 11
Take-homePractice at home
Write the numbers 20, 30, 40, 50, 60, 70, 80, 90, 100 in words.
Practise saying '13 / 30, 14 / 40, 15 / 50' aloud 5 times each.
Find 5 prices in your home (from labels) and say them in English.
Recap · Step 12
3 minWhat you learned
- 🔢 You can say the tens from 20 to 100.
- ✍️ You can combine tens + ones: twenty-one, forty-seven, ninety-nine.
- 🗣️ You can hear the difference between -TEEN and -ty.
- 💷 You can give your age, phone number, address, and prices.