Number worksheet — GCSE Foundation

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

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.A photograph uses 4 × 10⁶ bytes of storage. A memory card holds 3.2 × 10¹⁰ bytes. Work out how many of these photographs the card can hold. Give your answer in standard form.

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

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

6.Write 45,000 in standard form.

7.2/3 of an amount of money is £30. Work out the amount.

8.Round 0.006482 to 2 significant figures.

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

10.After a price increase of 10%, a laptop costs £330. Work out the original price.

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

12.A machine fills bags of sugar and shows the mass of each bag to the nearest 10 g. A checker rejects any bag whose actual mass is less than 996 g. One bag shows a mass of 1,000 g on the machine. Decide whether this bag could be rejected, and give a reason for your answer.

13.Two fair six-sided dice are rolled together. One die is red and the other is blue. Work out how many different outcomes are possible.

14.A piece of ribbon is 2.4 metres long. Kim cuts 40 cm from it. Work out the length of ribbon left, in millimetres.

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