Ratios and rates

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

Students will:   

• investigate different ratios 

• explore problems with simple ratios

• solve problems involving rates.

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 

• MA4-7NA operates with ratios and rates, and explores their graphical representation

1. Discovering ratios

Students will:   

• be introduced to ratios and how to write them 

• identify equivalent ratios 

• simplify ratios.

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 

• MA4-7NA operates with ratios and rates, and explores their graphical representation