Ordinal Numbers

Ordinal Numbers

Ordinal Numbers

• A number that tells the position of something in a list.

When do we use ordinal numbers?

• Dates: We use ordinal numbers when giving a date.

• Her birthday is on the 29th. (Twenty-ninth)

• Their Independence Day is on the 4th of July. (Fourth of July)

Sequence or Order

• We use ordinal numbers when we want to show the order or position of someone or something in a sequence.

• Woodward United finished second in the league last year.

• I came third in the race.

• This is the first time it has happened.

Floors of a building

• Our office is on the ninth floor.

• She lives on the second floor.

Birthday Celebrations

• A person’s 15th birthday is an important celebration in Mexico.

• He had a huge party for his twenty-first birthday.

Centuries

• Shakespeare was born in the 16th century.

• The Renaissance was a period in European history from the 14th to the 17th century.

Kings and Queens

• For the name of a king or queen in written English, Roman numerals are used. However those Roman numerals are said as an ordinal number in spoken English.

• Henry VIII (Henry the Eighth)

• Louis XVI (Louis the Sixteenth) 

List of Ordinal Numbers

• The ordinal numbers from 1st to 31st in English are:

• 1st – first

• 2nd – second

• 3rd – third

• 4th – fourth

• 5th – fifth

• 6th – sixth
  

• 7th – seventh

• 8th – eighth

• 9th – ninth

• 10th – tenth

• 11th – eleventh

• 12th – twelfth

• 13th – thirteenth

• 14th – fourteenth

• 15th – fifteenth

• 16th – sixteenth

• 17th – seventeenth

• 18th – eighteenth

• 19th – nineteenth

• 20th – twentieth

• 21st – twenty-first

• 22nd – twenty-second

• 23rd – twenty-third

• 24th – twenty-fourth

• 25th – twenty-fifth

• 26th – twenty-sixth

• 27th – twenty-seventh

• 28th – twenty-eighth

• 29th – twenty-ninth

• 30th – thirtieth

• 31st – thirty-first

• 32nd - Thirty-second

• 40th - fortieth

• 41st - forty-first

• 50th - fiftieth

• 51st - fifty-first

• 60th - sixtieth

• 61st - sixty-first

• 70th - seventieth

• 71st - seventy-first

• 80th - eightieth

• 81st - eighty-first

• 90th - ninetieth

• 91st - ninety-first

• 100th - one hundredth

• 101st - one hundred and first