Topic Seven (1.7): Dividing by fractions
Introduction
You can divide by a fraction by multiplying by the inverted fraction. This is where you will find out that dividing by a half is the same as multiplying by 2.
Working through your course book
- Read the examples on page 58, which show how to divide an integer and a fraction by a fraction.
- If you would like more guidance, go to the MyMaths 3B digital book and watch the videos on page 59.
- Answer the questions on page 59.
- If you would like more practice, work through these lessons on the MyMaths website:
You may also want to watch the following MathsWatch videos and work through the interactive questions using the tab at the top of the screen:
WATCH - Fractions - Dividing by an Integer (MathsWatch) Links to an external site.
WATCH -Further Fractions - Dividing (MathsWatch) Links to an external site.
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 62–63 for more support.
Extension activities for this topic
If you would like more of a challenge on this topic, go to page 57 of the MyMaths 3C digital book and attempt questions 7. For a further challenge, investigate recurring decimals and reciprocals by reading pages 58–59 of the MyMaths 3C digital book and attempt questions 7.