Question

Use the correct language to explain the difference between the expressions:

" It is the fifth of December"

" You are the fifth in the row"

" I want a fifth of the pizza"

What types of numbers are we dealing with in these expressions?

Answer 1

" It is the fifth of December"

The fifth here refer to date and is an ordinal number because it answers the question "which one".

" You are the fifth in the row"

The fifth here refers to position and it is an ordinal number.

" I want a fifth of the pizza"

The fifth here is a fraction and is also a ordinal number.