Number worksheet — GCSE Foundation

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

3.Oliver uses his calculator to work out 25% of 80 and writes down 320. Without using a calculator, work out the correct value of 25% of 80.

4.A jumper is reduced by 15% in a sale to a price of £42.50. Work out the original price.

5.A rectangular field measures 19.6 m by 48.3 m. Work out an estimate for the area of the field, by rounding each length to 1 significant figure.

6.A student always writes the digits after the decimal point over a denominator of 100, whatever the number of decimal places. Using this wrong rule, they convert 0.9 to a fraction. Work out the correct fraction that 0.9 is equal to, giving your answer in its simplest form.

7.Work out ((−3) + 5) × (−4) − (−6) ÷ 2

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

9.A café is planning its lunch menu. It will offer one soup from 3 choices and one sandwich from 4 choices, but the mushroom soup, one of the 3 soups, will only be served with the cheese sandwich, one of the 4 sandwiches, on a normal day. Work out how many different soup-and-sandwich combinations are available on a normal day.

10.Simplify 2³ × 2⁴, giving your answer as a single power of 2.

11.In the number 3.472, work out the value of the digit 7.

12.Write down the value of 7⁰

13.Work out 2 3/4 − 1 5/6. Give your answer as a fraction in its simplest form.

14.Find the missing number: 17 × ▢ = 391

15.A car travels 180 km using 6 litres of fuel. Work out the car's fuel consumption in kilometres per litre, then work out how many kilometres it can travel on a full tank of 12 litres at this rate.