1. Cardinal and Ordinal Numbers
Salvador Orquín
IES Escola Industrial
Sabadell

2. Cardinal Numbers 10 TEN 11 ELEVEN 12 TWELVE 0 OH 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

3. Teen Numbers 13 THIRTEEN 14 FOURTEEN 15 FIFTEEN 16 SIXTEEN
17 SEVENTEEN
18 EIGHTEEN
19 NINETEEN

4. TY Numbers (tens) 20 TWENTY 30 THIRTY 40 FORTY 50 FIFTY 60 SIXTY
70 SEVENTY
80 EIGHTY
90 NINETY

5. Remember:
My daughter is eighteen years old, and her grandmother is eighty. 18 80

6. -Teen vs. -Ty

7. The tens and the units are separated by a hyphen.
21 TWENTY-ONE
32 THIRTY-TWO
55 FIFTY-FIVE
97 NINETY-SEVEN

8. 100
ONE HUNDRED or
A HUNDRED

9. After Hundred 108 a hundred eight 213 two hundred thirteen
390 three hundred ninety
666 six hundred sixty-six

10. 1,000
ONE THOUSAND or
A THOUSAND

11. After thousand you need a comma.
1,004 one thousand, four
1,118 one thousand, one hundred eighteen
3,500 three thousand, five hundred
6,894 six thousand, eight hundred ninety-four

12. 1,000,000
ONE MILLION or
A MILLION

13. 5,000,000
FIVE MILLION
Millions is WRONG.

14. Listen to the numbers and repeat.
Learn English numbers:

15. Let’s write some numbers.68 19 23 40 91
104
222
739
1,215

16. …and
6,430
12,900
35,827
115,582
6,941,528

17. Ordinal Numbers FIRST SECOND THIRD FOURTH FIFTH SIXTH SEVENTH EIGHTH
NINTH
TENTH
Ordinal numbers ending:
1……..st
2……..nd
3……. rd
Except:
11 eleventh
12 twelfth
13 thirteenth
and the rest….. th

18. Ordinal numbers follow the same rule as cardinal numbers.
15th fifteenth
20th twentieth
21st twenty-first
22nd twenty-second
23rd twenty-third
24th twenty-fourth
32nd thirty-second
55th fifty-fifth
61st sixty-first

19. Ordinal numbers are used with dates.
This is the way we say and write the date in the United States:
Today is November 18, 2014.
We say “Today is November eighteenth, two thousand fourteen.”
Today is 18 November 2014.
We say “Today is the eighteenth of November two thousand fourteen.”

20. Using In and On With Dates
Use on with month day, year.
I was born on June 28, 1997.
Use on with day.
I go to church on Sunday.
My father was born on December 24th.
Use in with year.
I was born in 1997.
Use in with month.
I was born in June.