Find percentages of quantities and express one quantity as a percentage of another, with and without digital technologies. (VCMNA248)

LO: To calculate the percentage of a quantity.


  • What a percentage represents.

  • That a percentage is a portion of a whole amount.


  • That percentage can be used to represent a portion of a whole value.


  • I can calculate percentage of a quantity.

Teacher Notes

100% of an item means the full number or the whole amount.
A percentage of a number means, finding a certain portion of the number.

Different Methods of Finding Percentages

Breakdown Method (addition)

Breakdown Method (subtraction)

Multiplication Method

Teaching Ideas


Finding a Percentage Videos