Number worksheet — GCSE Foundation

1.A shelf is 60 cm long, correct to the nearest 10 cm. Write down the upper bound for the length of the shelf, in centimetres.

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

3.Round 0.006482 to 2 significant figures.

4.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.

5.A washing machine costs £320 before VAT. VAT is charged at 20%. Work out the total price including VAT.

6.A circle has a radius of 3 cm. Which of these is the exact area of the circle?

7.Write these numbers in order, starting with the smallest: −1.4, 5/4, −6/5, 1.3, 0

8.The rainfall in a town during April is recorded as 62.4 mm, correct to 1 decimal place. Write down the error interval for the actual rainfall, r mm.

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

10.A cinema has 250 seats. 12% of the seats are reserved. Work out how many of the seats are reserved.

11.Put these numbers in order, starting with the smallest: 3.2 × 10⁴, 2.9 × 10⁵, 4.1 × 10³

12.A block of butter has a mass of 250 g, correct to the nearest 10 g. Using m for the mass of the block in grams, write down the error interval for m.

13.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.

14.Work out (4 × 10³) × (3 × 10¹). Give your answer in standard form.

15.A train leaves Leeds at 14:35. The journey takes 1 hour 50 minutes. Work out the time the train arrives. Give your answer using the 24-hour clock.