Chapter 10.3 (Mathematics 5)

Volume of Cubes and Cuboids

Examples

Example 5

A carton of biscuits measures 8 cm by 5 cm by 3 cm

Find the volume of the carton.

Volume =
=​ length × width × height =
= 8 cm × 5 cm × 3 cm =
= 40 cm2 × 3 cm =
= 120 cm3

Example 6

A salt block for animals was in the shape of a cube. The length of the sides of the block was 12 cm. What was the volume of the block?

Volume =
​= 12 cm × 12 cm × 12 cm =
= 144 cm2 × 12 cm =
= 1 728 cm3

Exercise F

Volume is  cm3

Volume is  cm3

Volume is  cm3

Answer. The volume of the carton is
 cm3.

Answer. The volume of the tile was
 cm3.

Answer. The volume of the bar of soap was
 cm3.