# PERCENTAGES

PERCENTAGES
PERCENTAGES
1 / 14
Slide 1: Tekstslide
MathematicsFurther Education (Key Stage 5)

In deze les zitten 14 slides, met interactieve quizzen en tekstslides.

Lesduur is: 60 min

## Onderdelen in deze les

PERCENTAGES
PERCENTAGES

#### Slide 1 -Tekstslide

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

#### Slide 2 -Tekstslide

Where do you see percentages day to day?

#### Slide 3 -Open vraag

Remember that........

#### Slide 4 -Tekstslide

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%

#### Slide 5 -Tekstslide

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 -Tekstslide

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 -Open vraag

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 -Tekstslide

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 -Open vraag

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

#### Slide 10 -Quizvraag

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

#### Slide 11 -Quizvraag

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 -Quizvraag

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 -Quizvraag

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