Topic Seven (1.7): Square roots

Introduction Icon.png Introduction

We shall now look at finding a square root. A square root of a number is a quantity that, when multiplied by itself, gives the number. We need to work backwards to find the number that was multiplied by itself.

Interact Icon.png Working through your course book

  • Go to the MyMaths 2B digital book and watch the video on page 17.
  • Now read through the example on page 16, which shows two ways of finding square roots.
  • Answer the questions on page 17.
  • You may also want to watch this Corbett Maths video on YouTube:

WATCH - Square Roots - 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 18–19 for more support. 

Stretch Icon.png Extension activities for this topic

The MyMaths 2C digital book provides extension material in their problem-solving questions.

If you would like more of a challenge on square roots and to learn about cube roots, go to page 10 of the MyMaths 2C digital book and work through exercise 1D as well as the problem-solving questions.