Here are some examples using cardinal numbers:

8 puppies14 friends

Ordinal numbers tell the order of things in a set—first, second, third, etc. Ordinal numbers do not show quantity. They only show rank or position. Here are some examples using ordinal numbers:

3rd fastest6th in line

A nominal number names something—a telephone number, a player on a team. Nominal numbers do not show quantity or rank. They are used only to identify something. Here are some examples using nominal numbers:

jersey number 4zip code 02116 Cardinal  Ordinal  and Nominal Numbers - 30