PERCENTAGES

PERCENTAGES
PERCENTAGES
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Slide 1: Diapositive
MathematicsFurther Education (Key Stage 5)

Cette leçon contient 14 diapositives, avec quiz interactifs et diapositives de texte.

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PERCENTAGES
PERCENTAGES

Slide 1 - Diapositive

Percentages are just fractions written out of 100.
Eg  30% = 
10030
Per means out of and cent means 100 

Slide 2 - Diapositive

Where do you see percentages day to day?

Slide 3 - Question ouverte

Remember that........

Slide 4 - Diapositive

There are various ways to find a percentage of an amount, however with a calculator, this is an easy method:

Divide the amount by 100 to find 1%
Then multiply your answer by the percentage you want

Slide 5 - Diapositive

Try these:
What is 32% of £500?
What is 15% of £225?
What is 65% of £300?
What is 12% of 40?
What is 2% of 200?

Slide 6 - Diapositive

Jack's teacher says that 85% of the class passed their Maths exam. How many students is this if there are 40 people in the class?

Slide 7 - Question ouverte

Percentage change is when you work out the percentage but you then add it or subtract it from what you started with.........
You bought a mobile phone last year for £800. This year there is a discount of 20%. What does your phone cost this year?

Slide 8 - Diapositive

JD Sports have increased the price of their Nike joggers by 15% this year. If last year they cost £50, what is the cost this year?

Slide 9 - Question ouverte

What is 30% of £600?
A
£300
B
£200
C
£150
D
£180

Slide 10 - Quiz

What is 15% of 225m
A
25.5m
B
33.75m
C
30m
D
28.75m

Slide 11 - Quiz

Alex bought a car last year for £8000. This year the car is worth 20% less. What is the car worth this year?
A
£6400
B
£1600
C
£7000
D
£9600

Slide 12 - Quiz

The cost of a flight with Easyjet has increased by 5% this year. Last year I flew to Salou for £300. How much will I pay this year?
A
£305
B
£350
C
£315
D
£335

Slide 13 - Quiz

Amy got 75% of her questions right in a test. If there were 60 questions, how many did she get wrong?
A
45
B
15
C
40
D
50

Slide 14 - Quiz