Number worksheet — GCSE Foundation

1.A rectangular tile measures 45 cm by 0.6 m. Work out its area, in square centimetres.

2.In a science experiment, the temperature of a liquid is recorded as 18.6 °C, correct to the nearest 0.2 °C. Write down the error interval for the actual temperature, T °C.

3.Work out 10% of 30% of £200.

4.A gym increases its membership price by 1/5. The original price is £60. Work out the new price.

5.Ava measures a metal rod and records its length as 15 cm, correct to the nearest centimetre. Ben measures the same rod and records its length as 14.8 cm, correct to the nearest 0.1 cm. Decide whether both records can be correct, and give a reason for your answer.

6.Work out 1/2 of 1/4 of 80.

7.A recipe uses 0.625 kg of flour. Write this mass as a fraction of a kilogram, in its simplest form.

8.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.

9.Work out 35% of 180.

10.Freya types 4² + 3² into her calculator and writes down 49. Work out the correct value of 4² + 3².

11.Work out how many factors 100 has.

12.A restaurant adds a service charge of 15% to a bill of £120. Work out the service charge.

13.A café offers 3 types of soup and 4 types of bread roll. Work out how many different combinations of one soup and one bread roll are possible.

14.Write 0.06 as a fraction in its simplest form.

15.Write down the reciprocal of 0.2