malt©2006 maths/fractions slide show : lesson 3 fractions lesson 3 understanding equivalent...
TRANSCRIPT
![Page 1: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/1.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Fractions Lesson 3Understanding equivalent
fractions
![Page 2: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/2.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
These numbers are called
fractions12 3
15
56
23
47
1222
![Page 3: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/3.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Here are some
mixed numbers
325
146
8
13
49
1 22 5
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
Today’s lesson looks at
Equivalent fractions
34
68
![Page 5: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/5.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
WALT : to understand equivalent fractions and
decide if fractions are equal
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68
![Page 6: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/6.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
In the word equivalentthere is the root word
equal
34
68
![Page 7: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/7.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Fractions which are said to be equivalent are equal to
each other.
34
68
![Page 8: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/8.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
For example
12
24
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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?12
24
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
Yes!These fractions are equal.
12
24
These are equivalent fractions.
![Page 11: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/11.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Can you tell if the following fractions are
equal?Are they equivalent
fractions?12
36
![Page 12: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/12.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Yes these fractions are equal.
They are equivalent fractions.
12
36
![Page 13: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/13.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Are they equivalent fractions?
23
46
![Page 14: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/14.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Yes they are equivalent fractions.
23
46
![Page 15: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/15.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Are they equivalent fractions?
14
312
![Page 16: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/16.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Yes they are equivalent fractions.
14
312
![Page 17: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/17.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Are they equivalent fractions?
13
2 5
![Page 18: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/18.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
No, they are not equal.They are not equivalent
fractions.
13
2 5
![Page 19: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/19.jpg)
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?
14
2 8
![Page 20: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/20.jpg)
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?
25
4 10
![Page 21: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/21.jpg)
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?
13
3 9
![Page 22: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/22.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Use thinking time to discuss.
312
1 4
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
Use thinking time to discuss.
1 2
5 10
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ideas have you come up with?
1 2
5 10
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
Explain your strategy to the class.
1 2
5 10
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
There is a relationship between the fractions
using dividing and multiplying.
1 4
5 20
![Page 27: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/27.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ever you do to the top number . . You must do to the
bottom number.
1 4
5 20
![Page 28: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/28.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ever you do to the top number . . You must do to the
bottom number.
1 4
5 20
divide by 5
divide by 5
![Page 29: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/29.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ever you do to the top number . . You must do to the
bottom number.
1 2
2 4
divide by 2
divide by 2
![Page 30: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/30.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ever you do to the top number . . You must do to the
bottom number.
1 4
3 12
divide by 3
divide by 3
![Page 31: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/31.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ever you do to the top number . . You must do to the
bottom number.
1 5
4 20
divide by 4
divide by 4
![Page 32: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/32.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ever you do to the top number . . You must do to the
bottom number.
1 4
2 8
divide by 2
divide by 2
![Page 33: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/33.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ever you do to the top number . . You must do to the
bottom number.
9 15
3 5
multiply by 3
multiply by 3
![Page 34: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/34.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What ever you do to the top number . . You must do to the
bottom number.
4 18
2 9
multiply by 2
multiply by 2
![Page 35: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/35.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What is the missing number?
10
1 5
![Page 36: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/36.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What is the missing number?
4
4 8
![Page 37: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/37.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
What is the missing number?
4
32 40
![Page 38: MALT©2006 Maths/Fractions Slide Show : Lesson 3 Fractions Lesson 3 Understanding equivalent fractions](https://reader036.vdocuments.us/reader036/viewer/2022081507/5515f07c550346cf6f8b53a2/html5/thumbnails/38.jpg)
MALT©2006 Maths/Fractions Slide Show : Lesson 3
Well done
4
32 40 5
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
Sometimes you might need to work out equivalent fractions in
three steps.
6 8
48 64
3 4
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
Follow up taskH7 Textbook
Page 38Questions
1,2,3
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
Answers
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MALT©2006 Maths/Fractions Slide Show : Lesson 3
End of this lesson, any questions or comments?