Page 168 - SK Year 5 Mathematics DLP

I am on my way home to Taman
Decades and years Universiti. I have been staying
4
there for nearly 1 decades.
1 5 Encik Shamel
Encik Siva

I have been
staying there for
1
about 3 decades.
2
Let me help you.
How much longer has Encik Shamel been staying in Taman Universiti
compared to Encik Siva?
1 4
3 decades − 1 decades = decades
2 5
1 4 1 × 5 4 × 2
3 decades − 1 decades = 3 decades − 1 decades
2 5 2 × 5 5 × 2
5 8
= 3 decades − 1 decades
10 10
15 8
= 2 decades − 1 decades
10 10
7
= 1 decades
10

1 4 7
3 decades − 1 decades = 1 decades
2 5 10
7
Encik Shamel has been staying in Taman Universiti 1 decades
10
longer than Encik Siva.

3
2 9 decades – 6 decades = decades years
10

decade year
3 3 8 10
decade = ( × 10) years Convert 9 decades to
10 10 9 0 8 decades 10 years.
= 3 years − 6 3
2 7

3
9 decades – 6 decades = 2 decades 7 years
10

160 • Instil moral values like the spirit of neighbourliness
4.3.1 (iv)
and respect others.