About this topic
Before you begin
Identify the whole in a percentage, convert between representations and calculate discounts, tax and simple interest.
Learning goals
- Express a part as a percentage of its whole
- Write a percentage as a simplest fraction
- Write a fraction as a percentage
- Write a percentage as a decimal
- Write a decimal as a percentage
- Calculate a percentage part of a whole
- Calculate a discount and the sale price
- Calculate a stated percentage tax and the total price
- Calculate one year's simple interest and balance
Syllabus statements covered
- Expressing a part of a whole as a percentage
- Use of %
- Finding a percentage part of a whole
- Finding discount, GST and annual interest
Choose a lesson
Work through them in order.