Cardinal numbers are 1,2,3,4,5,6.........
Ordinal Numbers: When objects are placed in order we use ordinal numbers to address each object. Such numbers are called ordinal numbers.
1st  first  11th  eleventh  21st  twentyfirst 
2nd  second  12th  twelfth  22nd  twentysecond 
3rd  third  13th  thirteenth  23rd  twentythird 
4th  fourth  14th  fourteenth  24th  twentyfourth 
5th  fifth  15th  fifteenth  25th  twentyfifth 
6th  sixth  16th  sixteenth  26th  twentysixth 
7th  seventh  17th  seventeenth  27th  twentyseventh 
8th  eighth  18th  eighteenth  28th  twentyeighth 
9th  ninth  19th  ninteenth  29th  twentyninth 
10th  tenth  20th  twentieth  30th  thirtieth 
Example:
What is the ordinal number for 30th.
This is written as Thirtieth.
Answer: Thirtieth
Directions: Answer the following questions. Also write at least 10 examples of your own.
