# Mathematics

## Teach percentages, graphing, simple and compound interest, and more with practical lessons that help to bring mathematical concepts alive for students.

110 results

### How will changes to the GST impact your family?

In this investigation you will consider what effect it would have on families if the GST increased to 12.5%, 15% or…

• Mathematics
• Year 8
• Investigation

### Reforming Australia’s income tax system

Stage 3 Tax Cuts Changes to Australia’s taxation system were legislated by the Australian Parliament in 2019. The…

• Mathematics
• Year 8
• Explainer

### Changes to the income tax system

Part 1: Constructing and reading a piecewise graph Use the tax rates tables in the explainer to construct a piece-…

• Mathematics
• Year 8
• Investigation

### Saving versus Investing

What is the difference between saving and investing? Have you ever saved up to buy something? Maybe you are putting…

• Mathematics
• Year 8
• Explainer

### Simple saver

Part 1: The difference between saving and investing In your groups, complete the following tables.  …

• Mathematics
• Year 8
• Worksheet

### Absolute, relative and percentage errors

Linked activity: The Budget and forecasting

• Mathematics
• Year 9
• Visualiser

### Budget forecasting – Errors and exaggerations

Part 1: Calculating and interpreting absolute, relative and percentage errors Refer to the data table in The Budget…

• Mathematics
• Year 9
• Worksheet

### The Budget and forecasting

Definitions To help you understand the data in this sheet, the following definitions have been provided. The Budget…

• Mathematics
• Year 9
• Data sheet

### Graphing and interpreting errors in Budget Forecasting

Part 1: Budget forecasting errors over time Errors in Budget forecasting are often represented as a percentage of the…

• Mathematics
• Year 9
• Investigation

### Graphing and interpreting errors in Budget Forecasting - Solutions

Part 1: Budget forecasting errors over time Errors in Budget forecasting are often represented as a percentage of the…

• Mathematics
• Year 9
• Investigation

### The Budget and forecasting – Errors and exaggerations - Solutions

Part 1: Calculating and interpreting absolute, relative and percentage errors Refer to the data table in The Budget…

• Mathematics
• Year 9
• Worksheet

### Types of tax

There are 3 main types of taxes in Australia: progressive, proportional and regressive. Progressive taxes: The higher…

• Mathematics
• Year 9
• Explainer