Ordinal Numbers

1

st

first

11

th

eleventh

21

st

twenty-first

31

st

thirty-first

2

nd

second

12

th

twelfth

22

nd

twenty-second

40

th

fortieth

3

rd

third

13

th

thirteenth

23

rd

twenty-third

50

th

fiftieth

4

th

fourth

14

th

fourteenth

24

th

twenty-fourth

60

th

sixtieth

5

th

fifth

15

th

fifteenth

25

th

twenty-fifth

70

th

seventieth

6

th

sixth

16

th

sixteenth

26

th

twenty-sixth

80

th

eightieth

7

th

seventh

17

th

seventeenth

27

th

twenty-seventh

90

th

ninetieth

8

th

eighth

18

th

eighteenth

28

th

twenty-eighth

100

th

one hundredth

9

th

ninth

19

th

nineteenth

29

th

twenty-ninth

1,000

th

one thousandth

10

th

tenth

20

th

twentieth

30

th

thirtieth

1,000,000

th

one millionth