Number worksheet — GCSE Foundation

1.2/3 of an amount of money is £30. Work out the amount.

2.Using only 20p coins and 10p coins, and at least one of each, work out how many different ways there are to make exactly 60p. List the possibilities systematically.

3.Four friends share a restaurant bill of £53.90 equally. A calculator gives each share as 13.475. Work out how much each friend should pay.

4.The density of a type of plastic is 0.9 g/cm³. Work out this density in kg/m³.

5.Josh buys 7 pencils at 85p each. He pays with a £10 note. Work out his change.

6.A number, n, is equal to 3.7 when rounded to 1 decimal place. Write down the error interval for n.

7.Four locations each record a temperature one winter morning. Which of these temperatures is the coldest?

8.A piece of ribbon is 2.4 metres long. Kim cuts 40 cm from it. Work out the length of ribbon left, in millimetres.

9.A lorry travels 105 miles in 1 hour 45 minutes. Work out its average speed in miles per hour.

10.A photograph uses 4 × 10⁶ bytes of storage. A memory card holds 3.2 × 10¹⁰ bytes. Work out how many of these photographs the card can hold. Give your answer in standard form.

11.A spinner has 4 colours and a coin has 2 sides. Work out how many different outcomes are possible when the spinner is spun once and the coin is tossed once.

12.A cheetah runs at a steady speed of 25 metres per second. Work out this speed in kilometres per hour.

13.Write these three numbers in order, starting with the smallest: 3/5, 0.55, 58%

14.A café sells ice cream in three flavours: vanilla, mango and pistachio. Isla buys a cone with two scoops, using two different flavours, one for the bottom scoop and one for the top scoop. Work out how many different cones she could buy.

15.Leah measures the length of her classroom with a tape measure marked in centimetres. She writes the length down as 7.3157 m. Give a reason why this is not an appropriate degree of accuracy.