Math 2022 Question 31
3 marks
Question
Small identical cubes are placed inside a cuboid as shown below
How many more of these cubes are needed to fill the cuboid completely?
Answer
144 cubes
Explanation
Height = 5
Width = 4
Length = 8
Volume = 5 x4x8 = 160
The blocks shown are 16
Therefore more needed is 160-16 = 144
