Topic Six (1.6): Squares and cubes

Introduction Icon.png Introduction

When you multiply an integer by itself, the result is called a square number. When you multiply that integer by itself again, the result is called a cube number. This topic is about square and cube numbers and how they can be written with an index number.

Interact Icon.png Working through your course book

You will now be introduced to a quicker way to write squares and cubes. It is called an index. For example, 4 x 4 x 4 can be written as 4³.

  • Go to the MyMaths 2B digital book and watch the video on page 15.
  • Now read through the examples on page 14, which show how to correctly use index notation.
  • Answer the questions on page 15.
  • If you would like more practice, work through this lesson on the MyMaths website:

EXPLORE – Squares and cubes (MyMaths) Links to an external site.

  • You may also want to watch these Corbett Maths videos on YouTube:

WATCH - Square numbers - Corbettmaths (YouTube) Links to an external site.

WATCH - Cube numbers - Corbettmaths (YouTube) Links to an external site.

Bridge Icon.png Support activities for this topic

The MyMaths 2A digital book introduces these topics at a slower pace. If you'd like to take more time to understand these, look at pages 16–17 for more support.