Topic Two (1.2): Standard form
Introduction
Very large and very small numbers can be written in standard form. In both cases, powers of 10 are used along with a number between 1 and 10. For example, 5000 can be written as 5 x 10³.
Warm Up
First complete the skill checker on page 9.
If you need a refresher on multiplying by powers of 10 try watching this MathsWatch video:
WATCH – Multiplying and Dividing by Powers of 10 (MathsWatch) Links to an external site.
Working through the coursebook
- Start by watching these videos, which introduce the topic:
WATCH – Standard Form - Numbers Above 1 (MathsWatch) Links to an external site.
WATCH – Standard Form - Numbers Between 0 and 1 (MathsWatch) Links to an external site.
- Read and make notes on pages 9-11, copying out the worked examples.
- Now see if you can answer the Band 2 questions on page 12.
- If you would like more practice, then work through these lessons on the MyMaths website:
EXPLORE – Standard form – large numbers (MyMaths) Links to an external site.
EXPLORE – Standard form – small numbers (MyMaths) Links to an external site.
- You may also want to watch the following Corbettmaths video:
Plenary
We will end the lesson with some times tables practice - can you complete this in three minutes?
PLAY – Times it out: 3 minutes (MyMaths) Links to an external site.
Support activities for this topic
The Band 1 questions on page 12 will help build your skills on this topic.
Extension activities for this topic
If you would like more of a challenge on this topic, go to pages 12-14 and attempt the Band 3 questions.