Appreciation and Depreciation

To find 27% of a number, multiply it by...

• 1.27

• 2.7

• 0.27

• 0.73

What's the missing word?

"Depreciation is when something __________ in value."

To increase a number by 8%, multiply it by...

• 0.92

• 1.8

• 1.08

• 1.008

• 0.08

Appreciation is when something __________ in value.

To decrease a number by 15%, multiply it by...

• 1.15

• 0.95

• 0.15

• 0.85

£50 is put into saving account for 4 years with an interest rate of 2%. Which calculation is correct?

• $50\times1.02^4$

• $50\ \times1.04^2$

• $50\times1.4^2$

• $50\times0.98^4$

A car bought for £7500 depreciates by 7% each year. How much is the car worth after 2 years?

• £8586.75

• £4512.76

• £6486.75

A company's printers are currently worth £2400 and the lose 14% of their value every year. How much less will the be worth in 5 years time?

• £720.00

• £1270.98

• £2064.00

• £1129.02

It is estimated that an iceberg weighs 84,000 tonnes. As the iceberg moves into warmer water, its weight decreases by 25% each day.

What will the iceberg weigh after 3 days in the warmer water? (Give your answer correct to 2 significant figures).

There are 36 bunnies in the woods. The number of bunnies in the woods increases by 26% one year, then decreases by 14% the following year. How many bunnies are there now?

• 40

• 47

• 30

• 39