Cardinal Numbers Example

The cardinal numbers are the written form of numbers, as they are expressed when speaking. That is why, like words, they follow a series of spelling rules. They are a category of the so-called letter numbers.

Spelling of cardinal numbers

Although the numbers are infinite, they follow a short series of general rules that apply to everyone's correct spelling. These are the following:

Those with tilde

• The cardinal numbers that they carry tilde They are: 16 (sixteen), 22 (twenty-two), 23 (twenty-three), 26 (twenty-six), and all other numbers ending in them, such as 726 (seven hundred and twenty-six).

Regarding the number of words

• The numbers of the 1 to 30 are written In one word: 1 (one), 12 (twelve), 28 (twenty-eight), 30 (thirty).
• The numbers tens are written In one word: 40 (forty), 50 (fifty), 60 (sixty), 90 (ninety).
• The numbers hundreds are written In one word: 100 (one hundred), 200 (two hundred), 500 (five hundred), 800 (eight hundred).
• Starting with the number 31, the numbers are written in two or more words: 31 (thirty-one), 42 (forty-two), 53 (fifty-three), 64 (sixty-four).

Multiples of 100

• The multiples of 100 (less than a thousand) are classified into regular and irregular.
• The multiples of 100 regular they match the name of the number with the word "hundreds". When the number ends in "s", such as "two" or "three", the resulting "sc" is honored. 200 (two hundred), 300 (three hundred), 400 (four hundred), 800 (eight hundred).
• The multiples of 100 irregular they have a unique name. A new word is created with them. 500 (five hundred), 700 (seven hundred), 900 (nine hundred).

Thousands

• The numbers in the order of thousands, between 1000 and 1999the word is added "Thousand" and then the other figures, complying with the previous rules. 1924 (one thousand nine hundred twenty-four), 1230 (one thousand two hundred thirty), 1500 (one thousand five hundred).
• In numbers in the order of thousands, between 2000 and 999999 the figures of the thousands are written, and the word "thousand" is added to them. After "thousand", the above rules will be followed in the last three digits. 450620 (four hundred fifty one thousand six hundred twenty), 896471 (eight hundred ninety six one thousand four hundred and seventy-one).

Millions

• In the numbers in the order of the millions, they are written figures in the millions, and the word "million" or "million" is added, to continue with the other six figures, which will comply with the previous rules. 54,000,021 (fifty million twenty one), 162,306,158 (one hundred sixty two millions, three hundred six one thousand, one hundred and fifty-eight).

Beyond the millions

The rules for naming thousands and millions, and higher numbers, are repeated every three digits:

• 1,000 (thousand)
• 1,000,000 (one million)
• 1,000,000,000 (one billion)
• 1,000,000,000,000 (one million million, or one trillion according to Spanish-speaking countries)
• 1,000,000,000,000,000 (one billion billion or one billion, depending on the Spanish-speaking countries)
• 1,000,000,000,000,000,000 (one million million million or a trillion depending on the Spanish-speaking countries)

And so on, the word "thousand" or "million / million" is added like that.

• It may interest you: Ordinal numbers

10 examples of cardinal numbers

1. 2 two
2. 18 - eighteen
3. 342 - three hundred forty-two
4. 6890 - six thousand eight hundred ninety
5. 75500 - seventy five thousand five hundred
6. 189444 - one hundred eighty-nine thousand four hundred forty-four
7. 5,264,780 - five million two hundred sixty-four thousand, seven hundred eighty
8. 96,254,630 - ninety-six million two hundred fifty-four thousand, six hundred thirty
9. 562,100,856 - five hundred sixty-two million, one hundred thousand eight hundred fifty-six
10. 1,500,200,087 - one thousand five hundred million two hundred thousand eighty-seven

Continue with:

• Ordinal numbers
• Integer numbers
• Decimal numbers
• Partitive numbers