Page 246 - SK Year 5 Mathematics DLP

RATIO BETWEEN TWO QUANTITIES

1 The picture shows the uniformed units’ camping activity.

The Malaysian Red
Crescent Society (MRCS)
has 5 members. How
many scouts are here?

Ratio is the comparison of
measurements with other
measurements or values
with other values.

We have 3 members.

a What is the ratio of the number of scouts to the number of
MRCS members?

scouts MRCS
the ratio of three to five
:
3 5
The ratio of the number of scouts to the number of MRCS
:
members is 3 5.
b State the ratio of the number of MRCS members to the total number of
MRCS members and scouts.

:
5 8
The ratio of the number of MRCS members to the total number of
:
MRCS members and scouts is 5 8.
c The ratio of the total number of scouts and MRCS members to the
:
number of scouts is .

State the ratio of the number of boys to the
number of girls in the picture above.

• Emphasise how to write and pronounce the correct ratio.
238 7.2.1 For example, 5 : 8 pronounced as the ratio of five to eight.
(i), (ii), (iii)
• Prepare appropriate questions to state ratios and ensure that the
answers cannot be simplified.