This slideshow introduces ordinal numbers. I hope you like it.

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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