Number worksheet — GCSE Foundation

1.The thickness of a sheet of card is 0.02384 cm. Write this thickness correct to 2 significant figures.

2.The number of visitors to a museum on Saturday is given as 1,800, correct to the nearest 100. Which of these could not be the actual number of visitors?

3.A sponsored walk raised £350 for charity. 20% of the money raised is spent on equipment. Work out how much is spent on equipment.

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

5.A cyclist rides at a steady speed of 8 metres per second. Work out this speed in kilometres per hour.

6.The number of pages in a book is 240, correct to the nearest 10 pages. Write down the error interval for the actual number of pages, n.

7.Work out 35% of 180.

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

9.A tap fills a 20 litre bucket in 2 minutes 30 seconds. Work out the rate of flow, in litres per minute.

10.The distance from the Earth to the Moon is 384,000 km. Write this distance in standard form, in kilometres.

11.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.

12.2/3 of an amount of money is £30. Work out the amount.

13.A country's population is 8,340,000, and it is estimated that 1,950,000 of them live in the capital city. By rounding each number to 1 significant figure, work out an estimate for the number of people who do not live in the capital city.

14.A flight departs at 21:35 and lands at 06:10 the following morning. Work out the total flight time.

15.A plane flies 2340 km at an average speed of 780 km/h. It departs at 08:20. Work out the arrival time, using the 24-hour clock.