Rate
Definition

A rate is a two-term ratio used to compare quantities having different units.


Example One

The illustration below shows a set of 8 pencils that cost $4.00.

8 pencils that cost $4.00

Two ways of expressing this rate are given below:

Rate expressions for 10 pencils that cost $4.00

This rate can also be expressed as a unit rate.


Example Two

A car travels 200 kilometres in 4 hours.


Some ways of expressing this rate are given below:

Rate expressions for 200 kilometres travelled in 4 hours

This rate can also be expressed as a unit rate.