Page 235 - SK Year 5 Mathematics DLP

2 Volume of the cuboid = 10 cm × 8 cm × cm
= cm
3
Volume of the cube = cm × cm × cm

= cm 3

17 cm 8 cm Volume of the composite shape
3
= cm + cm 3
8 cm = cm 3
Complete the
8 cm
10 cm 8 cm calculation.

3 Calculate the volume of the remaining block after the middle part
is removed.

The volume of the remaining block 6 m

= (4 m × 5 m × 6 m) – (2 m × 4 m × 3 m)
3 m 5 m
3
3
= 120 m – 24 m
3
= 96 m 4 m
3
The volume of the remaining block is 96 m . 2 m 4 m

Calculate the volume of the following blocks.
a b 8 cm

2 m

4 cm 8 cm
4 cm

10 m
3 m

3 m 8 cm
3 m 12 m

• Guide pupils to calculate the unknown length of a side in
‟Try These” question. 227
6.4.1
• In groups, conduct a Think-Pair-Share session on the volume of
two composite shapes.