Home | Chapter 9 |

**Please note:** These activities require Adobe® Flash® Player. You can download and install the latest version: Get Adobe Flash Player. For more help, see our Frequently asked questions.

The following drag and drop interactives require you to evaluate the expressions by substituting the pronumerals with the given numbers. For revision see Exercise 9D, 'Evaluating algebraic expressions', in the *Maths for WA 2* student book.

**Click here to start the interactive: Substitution.**

**Click here to start the interactive: Substitution in Formulae.**

**Making Sense of Algebra**

The following drag and drop interactive requires you to find the algebraic expression that corresponds with each image. It will help you revise the basic algebra skills you will need for Chapter 9 of the *Maths for WA 2* student book.

**Click here to start the interactive: Making Sense of Algebra.**

**Simplifying Algebraic Expressions**

Can you simplify the algebraic expressions? These interactives require you to drag and drop the answers next to their corresponding terms. For revision see Exercises 9B and 9C in the *Maths for WA 2* student book.

**Click here to start the interactive: Algebraic Abbreviations.**

**Click here to start the interactive Simplifying Algebraic Expressions: A.**

**Click here to start the interactive Simplifying Algebraic Expressions: B.**

**Powers of Numbers**

The following drag and drop interactive requires you to drag the answers beside the corresponding questions. For revision see Exercise 9K, 'Index numbers', in the *Maths for WA 2* student book.

**Click here to start the interactive: Powers of Numbers.**

**Maths Terms**

Drag the correct mathematical terms and drop them beside their correct definitions. This activity requires you to be familiar with the terms used in Chapter 9 of the *Maths for WA 2* student book.

**Click here to start the interactive: Maths Terms.**