3Htto Percentages start chapter

• Wiskunde
• Middelbare school
• vmbo g, t, mavo
• Leerjaar 3

Mathematics 

Resources:

Book

Notebook

Laptop

Calculator

Pen 

Percentages:
How much is 32% of 720?

1. 2250
2. 213,38
3. 230,4
4. 181,23

How much is 91,8% of 528000?

1. 485760
2. 484704
3. 534276
4. Veel

What percentage is 92 of 305?

1. 30,16393443%
2. 30%
3. 30,2%
4. 30,16%

Percentage increase and decrease

Exercise

Make exercise 3 of the Prior Knowledge (page 142).
You will get 4 minutes. 

Ready before time is over? Make the rest of exercise 1 and 2.

What is the new number of members, question 3a?

What is the new price of a ticket, exercise 3b?
(Just enter the amount, without a euro sign)

What is the new price of the crododile, exercise 3c? (Just enter the amount, without a euro sign)

What is the correct formula to calculate percentage change?




Deze lijn is ......

1. ​old​​(new−old)​​⋅100
2. ​new​​(old−new)​​⋅100
3. ​new​​(new−old)​​⋅100
4. ​old​​(old−new)​​⋅100

Exercise

Make exercise 2. Read carefully, You've got 5 minutes

What is your answer to exercise 2a?
Give your answer in the form: 18,2%

What is your answer to exercise 2b?

What is your answer to exercise 2c?
Write is in the form: 3,5% increase
ór: 3,5% decrease

What is not correct?
Mrs. Bijlsma ......

1. can whistle two tones
2. had a Harley Davidson
3. can do the splits
4. can belly dance

I understand this theory .....

😒🙁😐🙂😃

Exercise

Make exercise 3, 4 and L1 also. You have until the end of the lesson.