Page 241 - SK Year 5 Mathematics DLP

4 Determine the area of these composite shapes.
a 2 m b
80 cm

40 cm

6 m

2 m 1 m 60 cm

20 mm
5 Calculate the volume of the blocks below.
a 14 cm b
14 cm
35 mm
18 mm
18 mm

14 cm
8 cm 16 mm

18 mm
6 cm
10 cm 36 mm

6 Solve these problems. Dad cuts off the middle part of a

a 6 cm 6 cm cuboid-shaped block. The middle part is
cube-shaped as shown in the diagram.

i What is the volume of the cube?
6 cm 12 cm ii Calculate the volume of the original
cuboid.
6 cm iii Is the volume of the remaining
6 cm 3
18 cm block 936 cm ? Prove it.
15 m
b Pak Ali’s cultivated paddy field is
shaded as shown in the diagram.
i Calculate the area of Pak Ali’s 13 m
m

13
paddy field. 12 m
ii What is the length of the irrigation
canal surrounding Pak Ali’s paddy irrigation 5 m
field? canal

6.3.2, 6.4.1, 233
6.5.1