Page 136 - SK Year 5 Mathematics DLP

Days to hours

1
1 a Convert day to hours.
3
1 The duration for
3 day = hours eggs of a housefly
to grow into larvae
1 1
3
3 day = 8 hours is day to 1 day.

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
1 day = 24 hours

LIFE CYCLE OF
1 1 8 A HOUSEFLY
3 day = ( × 24) hours
3
1 Adult
= 8 hours
1 1 day = 24 hours
3 day = 8 hours
1 day(s) × 24 hour(s) Pupa (10 – 20 days) Eggs (8 – 24 hours)
3 day is 8 hours.
Larva (4 – 7 days)

b 1
If the larva takes 5 days to grow into a
8
pupa, state the duration in hours.

1
5 days = hours Recall!
8
1 41 3 + 1 5 × 8 + 1
5 days = ( × 24) hours 5 =
8 8 × 8 8
1
= 123 hours = 41
1 8
5 days = 123 hours
8

1
Calculate 16 days in hours, which is the duration of a pupa to
4
grow into a housefly.
• Help pupils find information about time on the Internet. For example,
5
a quality sleep duration for children aged between 6 – 12 years is day
128 and adults is day. 12
1
4.2.1 (ii) 3
• Surf https://rb.gy/s3xc3t