Download presentation

1
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Fractions Lesson 3 Understanding equivalent fractions MALT©2006 Maths/Fractions Slide Show : Lesson 3

2
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

These numbers are called fractions 1 2 3 15 12 22 2 3 5 6 4 7 MALT©2006 Maths/Fractions Slide Show : Lesson 3

3
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Here are some mixed numbers 5 4 9 2 1 3 3 2 5 2 1 4 1 6 8 MALT©2006 Maths/Fractions Slide Show : Lesson 3

4
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Today’s lesson looks at Equivalent fractions 6 8 3 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

5
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

WALT : to understand equivalent fractions and decide if fractions are equal 6 8 3 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

6
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

In the word equivalent there is the root word equal 6 8 3 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

7
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Fractions which are said to be equivalent are equal to each other. 6 8 3 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

8
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

For example 2 4 1 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

9
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

So if you were given 2 quarters of a cake and your friend was given half a cake would you both have the same amount? 2 4 1 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

10
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Yes! These fractions are equal. These are equivalent fractions. 2 4 1 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

11
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Can you tell if the following fractions are equal? Are they equivalent fractions? 1 2 3 6 MALT©2006 Maths/Fractions Slide Show : Lesson 3

12
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Yes these fractions are equal. They are equivalent fractions. 1 2 3 6 MALT©2006 Maths/Fractions Slide Show : Lesson 3

13
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Are they equivalent fractions? 2 3 4 6 MALT©2006 Maths/Fractions Slide Show : Lesson 3

14
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Yes they are equivalent fractions. 2 3 4 6 MALT©2006 Maths/Fractions Slide Show : Lesson 3

15
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Are they equivalent fractions? 1 4 3 12 MALT©2006 Maths/Fractions Slide Show : Lesson 3

16
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Yes they are equivalent fractions. 1 4 3 12 MALT©2006 Maths/Fractions Slide Show : Lesson 3

17
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Are they equivalent fractions? 1 3 2 5 MALT©2006 Maths/Fractions Slide Show : Lesson 3

18
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

No, they are not equal. They are not equivalent fractions. 1 3 2 5 MALT©2006 Maths/Fractions Slide Show : Lesson 3

19
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Here are some equivalent fractions. Can you work out a strategy for deciding whether they are equal? 2 8 1 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

20
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Here are some equivalent fractions. Can you work out a strategy for deciding whether they are equal? 4 10 2 5 MALT©2006 Maths/Fractions Slide Show : Lesson 3

21
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Here are some equivalent fractions. Can you work out a strategy for deciding whether they are equal? 3 9 1 3 MALT©2006 Maths/Fractions Slide Show : Lesson 3

22
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Use thinking time to discuss. 1 4 3 12 MALT©2006 Maths/Fractions Slide Show : Lesson 3

23
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Use thinking time to discuss. 5 10 1 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

24
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ideas have you come up with? 5 10 1 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

25
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Explain your strategy to the class. 5 10 1 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

26
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

There is a relationship between the fractions using dividing and multiplying. 5 20 1 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

27
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ever you do to the top number . . You must do to the bottom number. 5 20 1 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

28
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ever you do to the top number . . You must do to the bottom number. divide by 5 1 4 5 20 divide by 5 MALT©2006 Maths/Fractions Slide Show : Lesson 3

29
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ever you do to the top number . . You must do to the bottom number. divide by 2 1 2 2 4 divide by 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

30
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ever you do to the top number . . You must do to the bottom number. divide by 3 1 4 3 12 divide by 3 MALT©2006 Maths/Fractions Slide Show : Lesson 3

31
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ever you do to the top number . . You must do to the bottom number. divide by 4 1 5 4 20 divide by 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

32
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ever you do to the top number . . You must do to the bottom number. divide by 2 1 4 2 8 divide by 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

33
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ever you do to the top number . . You must do to the bottom number. multiply by 3 9 15 3 5 multiply by 3 MALT©2006 Maths/Fractions Slide Show : Lesson 3

34
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What ever you do to the top number . . You must do to the bottom number. multiply by 2 4 18 2 9 multiply by 2 MALT©2006 Maths/Fractions Slide Show : Lesson 3

35
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What is the missing number? 10 1 5 MALT©2006 Maths/Fractions Slide Show : Lesson 3

36
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What is the missing number? 4 4 8 MALT©2006 Maths/Fractions Slide Show : Lesson 3

37
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

What is the missing number? 4 32 40 MALT©2006 Maths/Fractions Slide Show : Lesson 3

38
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Well done 4 32 40 5 MALT©2006 Maths/Fractions Slide Show : Lesson 3

39
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Sometimes you might need to work out equivalent fractions in three steps. 48 64 6 8 3 4 MALT©2006 Maths/Fractions Slide Show : Lesson 3

40
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Follow up task H7 Textbook Page 38 Questions 1,2,3 MALT©2006 Maths/Fractions Slide Show : Lesson 3

41
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

Answers MALT©2006 Maths/Fractions Slide Show : Lesson 3

42
**MALT©2006 Maths/Fractions Slide Show : Lesson 3**

End of this lesson, any questions or comments? MALT©2006 Maths/Fractions Slide Show : Lesson 3

Similar presentations

© 2020 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google