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Percentage of a quantity
Good afternoon!
Schedule:
Learning goals
Last time
Percentage of a quantity
Work in duo's
Level worksheets
1 / 11
next
Slide 1:
Slide
Wiskunde
Middelbare school
vwo
Leerjaar 2
This lesson contains
11 slides
, with
interactive quizzes
and
text slides
.
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Items in this lesson
Good afternoon!
Schedule:
Learning goals
Last time
Percentage of a quantity
Work in duo's
Level worksheets
Slide 1 - Slide
Learning goals
At the end of this lessons I can:
Calculate the percentage of a quantity
Work together to find the answer to a problem
Slide 2 - Slide
What did we do last time?
Slide 3 - Mind map
Give the percentage of people in this class that play an instrument.
Slide 4 - Open question
Percentage of a quantity
In a basket of 40 apples 5%
of
them are rotten
How many apples are rotten?
Convert to fraction
Convert to decimal
Slide 5 - Slide
Percentage of a quantity
In a basket of 40 apples 5%
of
them are rotten
How many apples are rotten?
Calculate an easy percentage first
Calculate 1% first
Slide 6 - Slide
In another basket there are 25 apples and 24% of them are rotten
How many apples are rotten?
Slide 7 - Open question
Which class has the most non-binary students?
Class A
50
Class B
30
Total amount of students
- In class A, 10% of all students is non-binary
- In class B, % of all students is non-binary
1
3
3
1
Which class has the most non-binary students?
Slide 8 - Slide
Which class has the most non-binary students?
Class A
50
Class B
30
Total amount of students
- In class A, 10% of all students is non-binary
- In class B, % of all students is non-binary
1
3
3
1
Which class has the most non-binary students?
Slide 9 - Slide
Level worksheets
On ManageBac in
Files: Unit 2:
You will find
- "Percentage of a quantity worksheet lvl 1 "
- "Percentage of a quantity worksheet lvl 2"
- "Percentage of a quantity worksheet lvl 3 "
Choose a level to work on for the next 10-15 min
Slide 10 - Slide
Homework
Create your own (holiday themed) percentage problem.
- the more complex your context and problem is, the better
- provide the correct answer + working out for your problem as well
- I will choose problems for tomorrows lesson
Slide 11 - Slide
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