Percentages

This is the teacher notes page identifying the outcomes addressed in these lessons. Copy each lesson link and send it to your students. For printable versions of these materials log into the teacher information section of the Department of Education.

Introduction

During these lessons’ students will learn how to use percentages with a variety of situations.

Students will:   

• connect fractions, decimals and percentages and carry out simple conversions

• find percentages of quantities and express one quantity as a percentage of another, with and without the use of digital technologies

• solve problems involving the use of percentages, including percentage increases and decreases, with and without the use of digital technologies.

Outcomes:

• MA4-1WM communicates and connects mathematical ideas using appropriate terminology, diagrams and symbols

• MA4.2WM applies appropriate mathematical techniques to solve problems

• MA4-3WM recognises and explains mathematical relationships using reasoning 

• MA4-5NA operates with fractions, decimals and percentages

1. Percentages with bar models

Students will:   

• revise multiplying and dividing by powers of ten

• use a bar model to calculate percentages of an amount.

Outcomes:

• MA4-1WM communicates and connects mathematical ideas using appropriate terminology, diagrams and symbols

• MA4.2WM applies appropriate mathematical techniques to solve problems

• MA4-3WM recognises and explains mathematical relationships using reasoning 

• MA4-5NA operates with fractions, decimals and percentages