Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit
Unit 8
106 practice questions
Topics covered
Practice questions
1–10 of 47 · Normal
Question 1
2 marks · Normal
Answer and see the solution →Convert 3500 millimetres (mm) to metres (m).
Question 2
3 marks · Normal
Answer and see the solution →A container has a mass of 2250 g and a volume of 3 dm³. Calculate the density of the substance in kg/m³.
Question 3
3 marks · Normal
Answer and see the solution →A runner completes a 10 km race in 40 minutes. Another runner completes a 5 km race in 20 minutes. Discuss whether both runners had the same average speed, showing your calculations and reasoning.
Question 4
4 marks · Normal
Answer and see the solution →A rectangle measures 1.5 metres by 80 centimetres.
(a)[1 mark]Convert 1.5 metres to centimetres.
(b)[2 marks]Find the area of the rectangle in cm².
(c)[1 mark]Write your answer to part (b) in m².
Question 5
4 marks · Normal
Answer and see the solution →The table shows data for three substances.
Substance Mass (g) Volume (cm³) Density (g/cm³) A 54 60 B 40 4.2 C 72 1.8 Complete the missing values for density, mass, or volume for each substance.
Question 6
2 marks · Normal
Answer and see the solution →A swimming pool holds 250 000 litres of water. Write this volume in cubic metres (m³).
Question 7
3 marks · Normal
Answer and see the solution →Convert 0.16 square metres (m²) to square centimetres (cm²).
Question 8
3 marks · Normal
Answer and see the solution →Explain why a bicycle tyre in contact with the ground at a smaller area produces a greater pressure, even if the weight of the bicycle and rider remains the same. Use the pressure formula in your explanation.
Question 9
2 marks · Normal
Answer and see the solution →Write down, giving a reason, whether the following mapping represents a function.
Mapping Table x y −2 4 1 3 3 5 Question 10
3 marks · Normal
Answer and see the solution →Let the function f be defined by f(x) = 3x - 5 with domain {2, 4, 5, 7}.
Find the range of f.