Ordinal Numbers

  • Cardinal numbers express quantity: two (2), thirty-five (35) etc...
  • Ordinal numbers indicate order or rank: first (1st), second (2nd), third (3rd) etc...


For most ordinal numbers, the ending '-th' is used, with one or two exceptions for those inevitable irregular numbers:-
CARDINAL NUMERAL
IN WORDS
ORDINAL NUMERAL
IN WORDS
1
one
1st
the first
2
two
2nd
the second
3
three
3rd
the third
4
four
4th
the fourth
5
five
5th
the fifth
6
six
6th
the sixth
7
seven
7th
the seventh
8
eight
8th
the eighth
9
nine
9th
the ninth
10
ten
10th
the tenth

Ordinal numbers 1 to 19

Para escuchar estos sonidos necesitais en Real Player Basic. Si lo tenéis podréis escucharlos, si no, no os preocupéis, los pondré de otra manera.

In figuresIn wordsPronounce It
1stthe first1st
2ndthe second2nd
3rdthe third3rd
4ththe fourth4th
5ththe fifth5th
6ththe sixth6th
7ththe seventh7th
8ththe eighth8th
9ththe ninth9th
10ththe tenth10th
11ththe eleventh11th
12ththe twelfth12th
13ththe thirteenth13th
14ththe fourteenth14th
15ththe fifteenth15th
16ththe sixteenth16th
17ththe seventeenth17th
18ththe eighteenth18th
19ththe nineteenth19th

Ordinal numbers such as 21st, 33rd etc are formed by combining a CARDINAL ten with an ORDINAL unit.
The "y" of "twenty", "thirty", "forty", etc. is changed to "ieth":-


20ththe twentieth20th
21stthe twenty-first 
22ndthe twenty-second...
23rdthe twenty-third...
24ththe twenty-fourth
30ththe thirtieth30th
40ththe fortieth40th
50ththe fiftieth50th
60ththe sixtieth60th
70ththe seventieth70th
80ththe eightieth80th
90ththe ninetieth90th
100ththe hundredth100th
101stthe hundred and first...
1000ththe thousandth



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