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Study Resource: English cardinal numbers cheat sheet

By: Erin Kuester

Culture note: Today, a “cheat sheet” is usually a reference sheet that a teacher allows you to use on a test, but a “cheat sheet” can also be a reference sheet you make to help you cheat on your exams!

Cardinal numbers 0-19

0 - zero

1 - one

2 - two

3 - three

4 - four

5 - five

6 - six

7 - seven

8 - eight

9 - nine

10 - ten

11 - eleven

12 - twelve

13 - thirteen

14 - fourteen

15 - fifteen

16 - sixteen

17 - seventeen

18 - eighteen

19 - nineteen

Cardinal numbers for multiples of 10 (10-90)

10 - ten

20 - twenty

30 - thirty

40 - forty

50 - fifty

60 - sicky

70 - seventy

80 - eighty

90 - ninety

Rule for creating numbers 21-99

Multiple of ten + base number 1-9

  • 29 = twenty + nine = twenty-nine

  • 45 = forty + five= forty-five

  • 83 = eighty + three = eighty-three

Cardinal numbers for multiples of 100 (100-1000)

100

one hundred

200

two hundred

300

three hundred

400

four hundred

500

five hundred

600

six hundred

700

seven hundred

800

eight hundred

900

nine hundred

1000

one thousand

Rule for creating numbers 0-999

How many hundreds

and

number from 0-99

  • 396 = three hundred and ninety-six

  • 704 = seven hundred and four

  • 855 = eight hundred and fifty-five

Words for larger numbers in English and how to use them

  • 1000 = thousand

    Count “how many thousands” just like you count “how many hundreds.” Like when you count hundreds, use the singular form of the word thousand:

    • two thousand two thousands

    You can count up to 999 millions:

    • 1,000

      one thousand / (a thousand)

      9,000

      nine thousand

      11,000

      eleven thousand

      972,000

      nine hundred and seventy-two thousand

  • 1,000,000 = million

    We also count “how many millions” just like counting hundreds and thousands. We always use the singular form of the word million:

    • four million four millions

    You can count up to 999 millions:

    • 1,000,000

      one million / (a million)

      10,000,000

      ten million

      175,000,000

      one hundred and seventy-five million

  • 1,000,000,000 = billion = 1,000 million

    We count “how many billions” just like counting hundreds, thousands, and millions. We can count up to ,nine hundred and ninety-nine (999) billion and we always use the singular form of the word.

Rule for creating very large numbers in English

XXX, XXX, XXX, XXX

How many billions + how many millions + how many thousands + how many hundreds + and+ number from 0-99

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