Vocabulary - ordinal numbers

study ex 1 ex 2 ex 3 ex 4
 
1. Ordinal numbers

1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th

first
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth

11th
12th
13th
14th
15th
16th
17th
18th
19th
20th
eleventh
twelfth
thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth
twentieth
 
         
21st
22nd
23rd
24th
25th
26th
27th
28th
29th
30th
twenty-first
twenty-second
twenty-third
twenty-fourth
twenty-fifth
twenty-sixth
twenty-seventh
twenty-eighth
twenty-ninth
thirtieth
10th
20th
30th
40th
50th
60th
70th
80th
90th
100th
tenth
twentieth
thirtieth
fortieth
fiftieth
sixtieth
seventieth
eightieth
ninetieth
one hundredth