# Interest & Depreciation

Interest & Depreciation
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Slide 1: Tekstslide
MathematicsUpper Secondary (Key Stage 4)GCSE

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

Lesduur is: 55 min

## Onderdelen in deze les

Interest & Depreciation

#### Slide 1 -Tekstslide

A price decreases from \$80 to \$64. What is the percentage decrease?
A
30%
B
20%
C
15%
D
25%

#### Slide 2 -Quizvraag

A population decreased by 15%. What is the remaining population?
A
85% of the original population
B
90% of the original population
C
70% of the original population
D
100% of the original population

#### Slide 3 -Quizvraag

If a salary decreases by 10%, what is the amount of the decrease?
A
20% of the original salary
B
5% of the original salary
C
15% of the original salary
D
10% of the original salary

#### Slide 4 -Quizvraag

If a price increases by 20%, what is the multiplier for the increase?
A
2.00
B
0.80
C
1.20
D
1.50

#### Slide 5 -Quizvraag

The value of a car depreciates by 10%. What is the multiplier for the depreciation?
A
0.50
B
1.10
C
0.75
D
0.90

#### Slide 6 -Quizvraag

Erin puts £240 into a savings account which has 3% APR and leaves it.
How much will she have after 4 years?

#### Slide 7 -Open vraag

Recap - Compound
Zaara puts £1400 into a savings account with 4.5% apr and leaves it.
How much will there be after 6 years?
How much interest will she have earnt after 6 years?

#### Slide 8 -Tekstslide

Recap - Compound
Zaara puts £1400 into a savings account with 4.5% apr and leaves it.
How much will there be after 10 years?
How much interest will she have earnt after 10 years?

#### Slide 9 -Tekstslide

Recap - Compound
Skye buys a brand new car for £34,000.
It depreciates at a rate of 2.7% per year.
How much is it worth after 3 years?