Ordinal numbers indicate the position of an item in a sequence or group. Some examples of uses for ordinal numbers include noting the date as the seventh of November, indicating that someone was born in the twentieth century, and specifying that an apartment is located on the second floor. The document then provides the spelling out of ordinal numbers from first to ninetieth.

1. Ordinal
numbers

2. tell us the
position of something in a group.
Ordinal numbers

3. DATES:
My birthday is on
the seventh of November.
November
7

4. CENTURIES:
Nelson Mandela was born in
the twentieth century.

5. FLOORS OF A BUILDING:
My apartment is
on the second floor.

6. THE ORDER OF EVENTS:
It’s my
eighteenth birthday.

7. THE ORDER OF EVENTS:
Jane came fifth
in the race.

8. fourth 4th
second 2
nd
twenty- first 21
st

9. 1
st
first

10. 2
nd
second

11. 3
rd
third

12. st
12 3
nd rd

13. th
4 20
+
th th

14. 4
th
fourth

15. 5
fifth
th

16. 6
sixth
th

17. 7
seventh
th

18. 8
eighth
th

19. 9
ninth
th

20. 9AM
E th
0
tenth
1
th

21. 9AM
E th
1
eleventh
1
th

22. 9AM
E th
2
twelfth
1
th

23. 9AM
E th
3
thirteenth
1
th

24. 9AM
E th
4
fourteenth
1
th

25. 9AM
E th
5
fifteenth
1
th

26. 9AM
E th
6
sixteenth
1
th

27. 9AM
E th
7
seventeenth
1
th

28. 9AM
E th
8
eighteenth
1
th

29. 9AM
E th
9
nineteenth
1
th

30. 9AM
E th
0
twentieth
2
th

31. th
ty tieth
+

32. th
20
twentieth

33. th
30
thirtieth

34. th
40
fortieth

35. th
50
fiftieth

36. th
60
sixtieth

37. th
70
seventieth

38. th
80
eightieth

39. th
90
ninetieth

40. 2
st
1
2
nd
3
rd
4
th
2
2
2
first
second
third
fourth
-
-
-
-
twenty
twenty
twenty
twenty

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