Page 142 - SK Year 5 Mathematics DLP

CONVERT UNITS OF TIME AGAIN

Hours to minutes

GOTONG-ROYONG PROGRAMME
12
11 1
10 2
9 3 TAMAN SEJAHTERA
8 4
7 5
6
start

12
11 1
10 2
9 3
8 4
7 6 5
The gotong-royong programme shown was conducted in
4.5 hours. State the duration of the programme in minutes. end

4.5 hours = minutes Multiply 60 minutes
to convert the unit
Method 1 of hours to minutes.

4.5 hours = (4.5 × 60) minutes 3
4.5
= 270 minutes × 6 0
27 0.0

Cara 2
Method 2
4.5 hours = 4 hours + 0.5 hour
• Multiply like multiplying
5
= (4 × 60) minutes + ( × 60) minutes whole numbers.
10 • Make sure the decimal
= 240 minutes + 30 minutes point is placed in the
= 270 minutes correct position.

4.5 hours = 270 minutes

The duration of the gotong-royong programme is 270 minutes.

Before the programme started, a briefing was conducted for
0.35 hour. How many minutes was the briefing? Discuss.

• Ask pupils to talk about the activities that they have done and the duration in
decimal units of hours.
134 • Guide pupils to convert decimal units of hours to minutes.
4.2.2 (i) • Instil moral values like cooperation, helping each other, the spirit of
neighbourhood, and cleanliness.