Percentage of Amount
Percentage Increase/ Decrease
Percentage Change
Fractions of an Amount
Problem Solving
100

50% of 240

120

100

Decrease 480 by 50%

240

100

The number of TVs sold increased from 70 to 98. Work out the percentage increase.

40%

100

1/3 of 24

8

100

A vintage car was bought for £9,400 Since then the value of the car has increased by 29% Calculate the value of the car.

£12,126

200

25% of 360

90

200

Increase 72 by 50%

108

200

In a sale the price of microwave decreases from £50 to £39. Work out the percentage decrease in price.

22%

200

3/4 of 36

27

200

Barry earns £1300 a month. He spends 30% of this money on rent and 12% on bills. How much of the £1300 has he left?

£754

300

1% of 45

0.45

300

Decrease 142 by 36%

90.88

300

In a sale the price of a sofa is reduced from £2500 to £1840 What is the percentage decrease?

26.4%

300

5/8 of 14 (round to 1dp)

8.8

300

A jar of coffee used to contain 520g. New packets contain one-fifth less. Work out how much the new packet contains.

416g

400

72.5% of 33 (round to 1dp)

23.9

400

A car costs £24,000. The price is increased by 5.3%. What is the new price?

£25272

400

The value of a painting rises from £120,000 to £192,000. Work out the percentage increase in the value of the painting.

60%

400

Which is larger? 

½ of 280 or ⅜ of 400

⅜ of 400

400

Joanne has 300 sweets. 

She gives ½ of the sweets to Erin. 

Joanne then gives ⅓ of the remaining sweets to William. 

How many sweets does Joanne have left?

50

500

12.5% of 87 (round to 3sf)

10.9

500

A TV is in the sale. It originally costs £354. It is now 62% off. What is the new price?

£134.52

500

Alice buys a book for £19.80. A year later she sells the book for £12.87 Calculate the percentage decrease in the value of the book.

35%

500

James earns £800 a month. 

He spends ¼ of this money on rent. 

James spends ⅖ of the money on food and bills. 

How much money has he left?

£280

500

What is the name of my two dogs?

Monty and Benson

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