Exam style questions - Hodder Plus Home

Exam questions: Unit C
2 This is a map of the island of Alderney. The length of
each square represents 1 km.
Work out an estimate of the area of Alderney. [2]
3 A rectangle has an area of 36 cm² and a length
of 9 cm.
Find the width of the rectangle. [2]
4 This is a sketch of a rectangular school playing field.
... and its solution
a Volume of cuboid = length × width × height
= 40 × 20 × 30
= 24 000 cm 3
b Surface area = 2 × top + 2 × side + 2 × front
= 2(20 × 40) + 2 (40 × 30) + 2(20 × 40)
= 1600 + 2400 + 1200
= 5200 cm 2
Now try these exam questions
1 Calculate the volume of this cuboid. [2]
4.6 m
5.2 m
1.5 m
41.2 m
2 The volume of water in this fish tank is 10 000 cm 3 .
All the sides and base of the tank are rectangles.
79.6 m
Work out the area of the field. [2]
5 Mr Chan has drawn this plan of his lounge floor.
2
2
20 cm
50 cm
d
1 1
4
Calculate the depth of water in the tank. [3]
6
4 Measures
What is the perimeter and area of his lounge floor
All lengths are in metres. [4]
The volume of a cuboid
Here is an exam question ...
a Find the volume of this cuboid. [2]
b Find the total surface area of this cuboid. [2]
20 cm
40 cm
30 cm
Here is an exam question ...
3 m
5 m
The dimensions of this rectangle are accurate to the
nearest metre.
a Give upper and lower bounds for the length, 5 m,
of the rectangle. [2]
b Find an upper bound for the area of the rectangle
in square metres. [2]
c Change your answer to part b into square
centimetres. [2]
48 Revision Notes © Hodder Education 2011