Ordinal numbers are numbers used to put things in order. It can be either someone’s address or someone’s position in a race. Ordinal numbers explain the position, whereas cardinal numbers explain the quantity of something. Ordinal numbers are those numbers which have a suffix attached to them at the end.
Ordinal Numbers
Example:
- I live in the 17th building of the street.
- She came in third position.
Cardinal Numbers
Example:
- She has seven pet dogs at her place.
- The boy took five sets of copies to his office.
How to Write Ordinal Numbers?
Ordinal numbers are the numbers which determine the position of a thing. These are the numbers which have a suffix attached to them at the end. There are a few guidelines for writing the ordinal numbers, which have been mentioned below.
- When the number ends with 1, the suffix must be -st.
- When the number ends with 2, the suffix must be -nd.
- When the number ends with 3, the suffix must be -rd.
- When the number ends with 0,4,5,6,7,8 or 9, the suffix must be -th (including 10th, 20th, 30th…100th)
- When the numbers end with 11, 12, 13…19, the suffix must be -th.
Ordinal Numbers
- First (1st)
- Second (2nd)
- Third (3rd)
- Fourth (4th)
- Fifth (5th)
- Sixth (6th)
- Seventh (7th)
- Eighth (8th)
- Ninth (9th)
- Tenth (10th)
- Eleventh (11th)
- Twelfth (12th)
- Thirteenth (13th)
- Twentieth (20th)
- Twenty-first (21st)
- Twenty-second (22nd)
- Twenty-third (23rd)
- Twenty-fourth (24th)
- Thirtieth (30th)
Frequently Asked Questions on Ordinal Numbers
How can we write ordinal numbers?
Ordinal numbers can be written as 1st, 2nd, 3rd, etc. or in words like first, second, etc. With the cardinal numbers, we add suffixes to change them into ordinal numbers.
What is the difference between ordinal and cardinal numbers?
Ordinal numbers are the numbers used to determine the position of a thing, whereas the cardinal numbers are used to determine the quantity of a thing.
Can we use ordinal numbers in sentences?
Yes, the ordinal numbers can be used in sentences like,
- Saran came first in the 100 m running competition.
- She lives in the 5th building of the first main road.
- Her father is so excited to have a first glance at his child.
Comments