Number worksheet — GCSE Foundation

1.A tin of soup has a mass of 450 g. A bag of potatoes has a mass of 2.6 kg. Work out the total mass, in kilograms.

2.A company sells 4 × 10³ items per day, each priced at £2.50. It operates for 3 × 10² days a year. Work out the company's total revenue for the year. Give your answer in standard form.

3.Josh buys 7 pencils at 85p each. He pays with a £10 note. Work out his change.

4.Work out (6 × 10⁷) + (3 × 10⁶). Give your answer in standard form.

5.Work out 10% of 30% of £200.

6.Write 0.0038 in standard form.

7.Four locations each record a temperature one winter morning. Which of these temperatures is the coldest?

8.3.4 × 10⁵ is written as an ordinary number. Work out this number.

9.The density of a type of plastic is 0.9 g/cm³. Work out this density in kg/m³.

10.A café offers sandwiches with one filling from 5 choices and one type of bread from 4 choices. Cheese and mustard, which is one of the 5 fillings, is not available on gluten-free bread, which is one of the 4 breads. Work out how many different sandwiches are possible.

11.Write these fractions in order, starting with the smallest: 2/3, 3/5, 5/6, 1/2

12.The error interval for the mass of a suitcase, m kg, is given as 22.5 ≤ m < 23.5. Write down the mass of the suitcase, correct to the nearest whole number.

13.A jug holds 1.8 litres of juice. Priya pours out 3/4 of a litre to fill a glass. Work out how much juice is left in the jug, in millilitres.

14.The number of visitors to a museum on Saturday is given as 1,800, correct to the nearest 100. Which of these could not be the actual number of visitors?

15.Given that 2⁵ = 32, work out 2⁶.