Topic One (1.1): Powers

Introduction Icon.png Introduction

In this topic you will revise multiplying by powers of 10. You will be introduced to two rules of indices. These are really important, and help you to calculate easily with powers of 10. 

Interact Icon.png Working through your course book

  • Read through the information and examples on page 4. Make sure that you understand the two indices rules. They apply when the same base is being multiplied or divided, and tell you how to combine the indices.
  • If you haven't already done so:

READ - Logging into the MyMaths digital books Kerboodle site

  • Note. If you get a HTTP ERROR 403 after clicking on a link, you get this error if you are not logged in, you need to go to kerboodle.com and log in.
  • If you would like more guidance, go to the MyMaths 3B digital book and watch the videos on page 5.
  • Note. The green link icon in the bottom right of the MyMaths digital books will take you to relevant homework links that you can work on and save your progress in MyPortal:

READ - Logging into the MyMaths online activities

  • Answer the questions on page 5.

If you need another explanation watch the following MathsWatch videos and then you could work through the interactive questions using the tab at the top right of the screen:

If you haven't already done so, first:

READ - Logging into the MathsWatch site

Then:

WATCH - Multiplying and dividing decimals by powers of 10 (MathsWatch) Links to an external site.

Bridge Icon.png Support activities for this topic

The MyMaths 3A digital book introduces these topics at a slower pace. If you'd like to take more time to understand these, look at pages 2–5 for more support. 

Stretch Icon.png Extension activities for this topic

The MyMaths 3C digital book provides extension material in their problem-solving questions.

If you would like more of a challenge on this topic, read more about index laws by working through pages 32-25 of the MyMaths 3C digital book.