All worksheets topics

Scale and Proportion in ContextEdexcel GCSE Maths: Subtopic test

10 questions, 26 marks

Edexcel GCSE Maths

Scale and Proportion in Context

Total 26 marks

Name

Class

Date

  1. 1
    A model of a bridge is built using a scale of 1 : 250. On the model, the length of the bridge is 60 cm.
    (a)
    What is the real length of the bridge, in metres?
    [1 mark]
    • A15 m
    • B1500 m
    • C150 m
    • D25 m
    (b)
    Using the same scale, the real width of the bridge is 12.5 m. What is the width of the model, in centimetres?
    [1 mark]
    • A3.125 cm
    • B5 cm
    • C31.25 cm
    • D50 cm
    (c)
    The area of the model bridge's deck is 240 cm². What is the area of the real bridge's deck, in m²?
    [1 mark]
    • A15 m²
    • B6000 m²
    • C150000 m²
    • D1500 m²

    Total for question 1: 3 marks

  2. 2
    A charity shares a donation of £4200 between three projects, Water, Health and Education, in the ratio 2 : 3 : 5.
    (a)
    Calculate the amount given to the Health project.
    [2 marks]
    (b)
    The following year, the total donation increases so that the Education project alone receives £3000, with the same ratio 2 : 3 : 5 applied to the new total. Work out the new total donation.
    [2 marks]

    Total for question 2: 4 marks

  3. 3
    A car travels at a constant speed and covers 180 km in 2 hours 30 minutes.
    (a)
    Show that the car's average speed is 72 km/h.
    [3 marks]
    (b)
    The car then travels a further 108 km at the same average speed of 72 km/h before stopping for fuel. Work out the total time, in hours and minutes, for the whole 288 km journey (180 km plus 108 km).
    [3 marks]

    Total for question 3: 6 marks

  4. 4
    A scale drawing of a garden is drawn using a scale of 1 : 400, meaning 1 cm on the drawing represents 400 cm in real life. On the drawing, the garden is a rectangle measuring 8 cm by 5 cm.
    (a)
    Calculate the real-life area of the garden in m².
    [4 marks]
    (b)
    A pond in the real garden has an area of 18 m². Calculate the area of the pond as it would appear on the scale drawing, in cm².
    [4 marks]
    (c)
    The garden owner wants to build a scale model of a shed for the garden, using the same scale of 1 : 400. The real shed is a cuboid with volume 6 m³. Explain why the volume of the scale model of the shed, in cm³, is 6×106÷40036 \times 10^6 \div 400^3, and calculate this volume, giving your answer to 3 significant figures.
    [5 marks]

    Total for question 4: 13 marks

End of questions