Number worksheet — GCSE Foundation

1.A recipe uses 160 g of flour. Sam wants to increase the amount by 1/4. Work out the new amount of flour.

2.Work out (3 × 5)²

3.A recipe states that a cake needs 200 g of flour, correct to the nearest 25 g. Work out the smallest possible mass of flour, in grams, that could actually be used.

4.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.

5.A crowd of 8,400 people is recorded correct to the nearest 100. Work out the smallest possible number of people in the crowd.

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

7.A number line runs from 0 to 1 and is divided into 4 equal parts. Which mark on the line represents 1/4?

8.A charity raffle sells 240 tickets at £1.85 each. 40% of the money raised is given to a local hospital. Work out how much money the hospital receives.

9.Write 0.25 as a fraction in its simplest form.

10.Work out ∛64.

11.Four weather stations each recorded their lowest overnight temperature. Which of these readings is the lowest?

12.Work out (−2/5) × (−10/3). Give your answer as a fraction in its simplest form.

13.A semicircle has a diameter of 8 cm. Work out the exact area of the semicircle, in terms of π.

14.At midday the temperature in the Lake District was 3 °C. By midnight it had fallen to −6 °C. Work out the fall in temperature.

15.Light travels at 2.998 × 10⁸ metres per second. A distant object in space is 3.1 × 10¹⁵ metres from Earth. Work out an estimate for the number of seconds light takes to travel from the object to Earth, by rounding each number to 1 significant figure.