Robinson Tuition
Grade 3 · Foundation · free GCSE maths worksheet

Percentage of an amount with a calculator

Using a decimal multiplier.

17 original questions, 46 marks. Print the worksheet, mark it with the answers sheet, and use the solutions to see every step written out by hand.

Worksheet PDFWorked solutions PDFAnswers PDF

The questions

1

Write down 50% of £86

1 mark
Show answer
£43
2

The value of a van is multiplied by 0.88 each year.

Write down the percentage decrease in the value of the van each year.

1 mark
Show answer
12%
3

Work out 15% of £60

2 marks
Show answer
£9
4

Work out 23% of £640

2 marks
Show answer
£147.20
5

A bottle contains 850 ml of juice.

34% of the juice is orange juice.

Work out how many millilitres of orange juice are in the bottle.

2 marks
Show answer
289 ml
6

Hannah puts £2400 into a savings account.

The account pays 3% simple interest each year.

Work out the total amount of interest Hannah gets after 3 years.

2 marks
Show answer
£216
7

Omar invests £3500 in a savings account.

The account pays 2.4% simple interest each year.

Work out the total amount of interest Omar gets after 6 years.

3 marks
Show answer
£504
8

Work out 30% of 60% of £250

2 marks
Show answer
£45
9

A jacket costs £85.

In a sale, the price of the jacket is reduced by 18%.

Work out the sale price of the jacket.

3 marks
Show answer
£69.70
10

An electric drill costs £68.50 before VAT is added.

VAT is charged at 20%.

Work out the total price of the drill including VAT.

3 marks
Show answer
£82.20
11

Ben's rent is £240 each week.

His rent is increased by 35%.

Work out Ben's new weekly rent.

3 marks
Show answer
£324
12

Lena wants to reduce a price by 15%.

She multiplies the price by 1.15

  1. Explain the mistake Lena has made and write down the correct multiplier.
  2. Use the correct multiplier to reduce £60 by 15%.
3 marks
Show answer
a) 1.15 would increase the price by 15%; the correct multiplier is 0.85 b) £51
13

There are 1200 pupils in a school.

35% of the pupils walk to school and 28% of the pupils come by bus. All the other pupils come by car.

Work out how many pupils come by car.

3 marks
Show answer
444
14

Ravi is choosing between two vouchers for the same online shop.

Voucher A gives 24% off a £75 order.

Voucher B gives 32% off a £55 order.

Which voucher saves more money?

You must show your working.

3 marks
Show answer
Voucher A. It saves 24% of £75 = £18, while Voucher B saves 32% of £55 = £17.60, so Voucher A saves £0.40 more.
15

Zainab earns £28 400 a year. Her bonus is 4.5% of her yearly pay.

Ravi earns £24 900 a year. His bonus is 5.2% of his yearly pay.

Who gets the larger bonus, and by how much?

4 marks
Show answer
Ravi, by £16.80
16

Kirsty buys a sofa costing £840

She pays a deposit of 35% of the cost.

She pays the rest of the cost in 12 equal monthly payments.

Work out the amount of each monthly payment.

4 marks
Show answer
£45.50
17

A cinema has 350 seats.

One evening, 92% of the seats are filled.

Each person pays £8.50 for a ticket.

The cinema has to give 20% of the ticket money to the film distributor.

Work out how much of the ticket money the cinema keeps for that evening.

5 marks
Show answer
£2189.60

Every question here is original and written by Robinson Tuition. The grade follows the Edexcel grade descriptors and suits AQA and OCR too; this is not an exam-board paper.

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