Cardinal and Ordinal Adjectives
Cardinal: these types of numbers answer the question, “how many?”
The first cardinal number is zero (0). Every time (0) is used, it requires a plural noun.
How many birds are in the backyard?
There are zero birds.
There are no birds.
Saying there are “no” birds is the same as saying there are “zero” birds.
If you want to say there is one (1), this requires a singular noun.
How many balls are on the court?
There is one ball.
One = Cardinal number adjective
Ball = singular noun – representing one (1)
Every other number (2 -> infinity) requires a plural noun.
How many guitars do you have?
I have three guitars.
Three = cardinal number adjective
Guitars = plural noun representing three (3)
How many baseball cards do you have?
I have 825 baseball cards.
825 = cardinal adjective
Baseball cards = plural noun representing 825
Now let’s learn about Ordinal Adjectives
Ordinal adjective: are numbers used to show order in a series.
Ordinal numbers follow a basic rule. When you learn this rule, you will be able to make lists of numbers in a series.
Ordinal adjective number rules:
Always use the article the before an ordinal number.
Ordinal numbers: 1,2,3, and all combinations of 1,2,3
Ordinal numbers: 5, 8, 9, 12, and all combinations with 5,8, and 9
For all other Ordinal numbers: use the Cardinal numbers + “th”
Tomorrow is our twelfth day on vacation.
This is the fourth time I’ve seen this movie.
This is the second time I’ve been the ninth best runner in this race.
*end of lesson on Cardinal and Ordinal number Adjectives*