What is a rate?
A rate is a comparison between two units. Common examples are ‘kilometres/hours’, ‘cents/grams’, ‘pay rate/hours worked’ and ‘words/minutes’. The following post will have videos that explain the converting rates dot point in HSC Standard Math including how to convert rates, converting using the unitary method and further conversions involving Speed.
The following video introduces rate conversions and an example.
How to convert rates using the ‘unitary method’
The following video explains how to use the unitary method to convert rates.
Conversions involving Speed
The following video explains how to convert speed using the SDT formula.
Please note: This sources is American and uses miles however applies to kilometres as well! This is really helpful if you need further help in understanding how to convert speed.