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Percentage of the whole

Percentage of the whole
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Slide 1: Diapositive
WiskundeMiddelbare schoolvwoLeerjaar 1

Cette leçon contient 17 diapositives, avec quiz interactifs et diapositives de texte.

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Percentage of the whole

Slide 1 - Diapositive

During the promotion week at Sportshop "Fairplay," you get a 17.5% discount on all items. Zhara buys the items in the photo, where you can see the prices before the promotion week. How much would Zhara have to pay during the promotion week?

Slide 2 - Diapositive

During the promotion week at Sportshop "Fairplay," you get a 17.5% discount on all items. Zhara buys the items in the photo, where you can see the prices before the promotion week. How much would Zhara have to pay during the promotion week?
during the promotion week, Zhara has to pay €54,39.

Slide 3 - Diapositive

during the promotion week, Zhara has to pay €54,39.

Slide 4 - Diapositive

Planning
-Review last lessons
-Learning objectives
- Explanation of  new theory
-Practice

Slide 5 - Diapositive

Percentage 
a percentage represents a fraction out of 100.

Percentages can also be represented in decimal or fraction form

Slide 6 - Diapositive

Calculate 40% of 78

Slide 7 - Question ouverte

Percentage of the whole
Example: 
If 17 out of 53 students like soccer, what percentage is that?

Slide 8 - Diapositive

Percentage of the whole
Example: 
If 17 out of 53 students like soccer, what percentage is that?
percentage=​whole​​(part)​​⋅100

Slide 9 - Diapositive

Percentage of the whole
Example: 
If 17 out of 53 students like soccer, what percentage is that?
percentage=​whole​​(part)​​⋅100
percentage=​53​​17​​⋅100

Slide 10 - Diapositive

Percentage of the whole
Example: 
If 17 out of 53 students like soccer, what percentage is that?
percentage=​whole​​(part)​​⋅100
percentage=​53​​17​​⋅100=32,1
%

Slide 11 - Diapositive

Challenge: 
If 40 out of 125 students prefer online learning, what percentage is that?

Slide 12 - Diapositive

Challenge: 
If 40 out of 125 students prefer online learning, what percentage is that?
percentage=​125​​17​​⋅100=13,6
%

Slide 13 - Diapositive

Example: 
If 40 out of 125 students prefer online learning, what percentage is that?
percentage=​125​​17​​⋅100=13,6
%
13,6% of the students prefer online learning

Slide 14 - Diapositive

Find 28 out of 82 as a percentage

Slide 15 - Question ouverte

Find 183 out of 185 as a percentage

Slide 16 - Question ouverte

what is the difference between percentage of and percentage off?
Try Yourself!
Teams: Worsheet "Determine Percentage"

Slide 17 - Diapositive

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