Learn High Numbers in English: 100 to 1,000,000 (A1 Level) — A1 English vocabulary lesson by Langcom

Learn High Numbers in English: 100 to 1,000,000 (A1 Level)

Raúl Maguiña

Fondatore di Langcom | Esaminatore per Cambridge e SIELE

Settembre 23, 2026

A1📚 Vocabolario⏱️ 3 minuti di lettura📅 Aggiornato a settembre 2026
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To say high numbers in English, you need to learn three main words: hundred, thousand, e million. These words help you build any large number. For example, 100 è one hundred, 1,000 è one thousand, e 1,000,000 è one million. When you combine them, like 1,234, you say one thousand, two hundred and thirty-four. Remember to use and dopo hundred in British English. Understanding these basic patterns will help you read and speak large numbers clearly and correctly in English.

How Do We Say Numbers from 100 to 999?

For numbers between 100 e 999, we use the word hundred.

You always say the number before hundred. Then, for numbers after hundred, we often use the word and (especially in British English).

  • 100 è one hundred.
  • 250 è two hundred and fifty.
  • 789 è seven hundred and eighty-nine.

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How Do We Say Numbers from 1,000 to 999,999?

For numbers from 1,000 up to 999,999, we use the word thousand.

We use a comma (,) to separate thousands from hundreds. This makes numbers easier to read.

  • 1,000 è one thousand.
  • 5,000 è five thousand.
  • 10,000 è ten thousand.
  • 25,400 è twenty-five thousand, four hundred.
  • 123,456 è one hundred and twenty-three thousand, four hundred and fifty-six.

How Do We Say 1,000,000?

When a number reaches 1,000,000, we use the word million.

Just like with hundred e thousand, you say the number before million.

  • 1,000,000 è one million.
  • 2,000,000 è two million.

When Do We Use 'and' in Numbers?

In British English, we use and dopo hundred e thousand when there are more numbers that follow.

  • 101: one hundred and one.
  • 520: five hundred and twenty.
  • 1,005: one thousand and five.
  • 2,345: two thousand, three hundred and forty-five.

If the number ends exactly on a hundred oppure thousand, you do not use and.

  • 200: two hundred. (NOT two hundred and)
  • 3,000: three thousand. (NOT three thousand and)
Common High Numbers and How to Say Them
Numero How to Say It
100 one hundred
500 five hundred
1,000 one thousand
10,000 ten thousand
100,000 one hundred thousand
1,000,000 one million

Esempi

  • The book has three hundred pages.
  • The car costs fifteen thousand euros.
  • There are one hundred and fifty students in the school.
  • The population of the city is eight hundred thousand people.
  • My phone number is five hundred and fifty-five, one thousand, two hundred and thirty-four.
  • The company made two million dollars last year.

Esercitazione

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Errori comuni per chi parla spagnolo

Chi parla spagnolo a volte commette questi errori:

  • Not using 'and': In British English, it's common to use and dopo hundred.
    Incorrect: four hundred twenty
    Correct: four hundred and twenty
  • Adding 's' to numbers like 'hundred' or 'thousand' when counting: When you say a specific number of hundreds, thousands, or millions, these words stay singular.
    Incorrect: two hundreds
    Correct: two hundred
    Incorrect: five thousands
    Correct: five thousand
    (We only use hundreds of, thousands of, millions of when talking about an approximate, large quantity, e.g., hundreds of people.)

Domande frequenti

Do I always use 'and' in numbers?

In British English, yes, you usually use and dopo hundred oppure thousand if there are more numbers following. For example, one hundred and five.

Do 'hundred', 'thousand', and 'million' become plural?

No, not when you are counting a specific number. You say two hundred, not two hundreds. They only become plural (hundreds, thousands) when you mean an unspecified large amount, like hundreds of birds.

What is the difference between British and American English for numbers?

The main difference for these numbers is the use of and. British English uses and (ad esempio, one hundred and fifty). American English often omits and (ad esempio, one hundred fifty). Both are understood.

Lezioni correlate

Informazioni sull'autore: Raúl Maguiña

Raúl Maguiña è il direttore dell’Asociación Educativa Langcom, un centro autorizzato di preparazione all’esame Cambridge English con sede a il tuo Paese. Con oltre un decennio di esperienza nel campo dell'insegnamento delle lingue e delle certificazioni internazionali, ha aiutato migliaia di studenti, insegnanti e istituti scolastici in 25 paesi a ottenere le certificazioni di inglese Cambridge, IELTS, TOEFL e Michigan.

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