Date: 23rd January, 2024
YEAR 8
WSS Secondary Home learning
Subject: Mathematics
Teacher:
Ms. Geethu
WALT/ TOPIC: How to do problems on Area and Volume?
1. Here are the areas of three faces of the same cuboid.
a What are the dimensions of each rectangle? ................................................................
b What is the volume of the cuboid? .....................
c What is the surface area of the cuboid? .....................
2.
A cuboid has a length of 2.4 m and width 1.5 m. Its volume is 11.52 m3. Work out the surface area of the
cuboid. .....................
3.
A cuboid has length 12 cm. The width of the cuboid is two-thirds of its length. The height of the cuboid is
40% of its length. Work out the surface area of the cuboid.
4. What 3D solid will this net make?
5. Calculate the volume of the solid.
PTM STYLE QUESTIONS
A 10 cm by 30 cm by 30 cm cuboid is cut from a larger cuboid. Calculate the volume of the remaining
solid.