Train Journeys - Sharp EL-531RH Teachers Manual

Train Journeys

• • • • • • • • • • • • • • • • • • • • • Objective • • • • • • • • • • • • • • • • • • • • •
Develop and understand the relationship between units.
Understand and use compound measures including speed.
Undertake purposeful inquiries based on data analysis.
• • • • • • • • • • • • • • • Explanation of the activity • • • • • • • • • • • • • •
This activity provides students with the opportunity to handle real data and work on a wide range
of activities involving time, distance and speed.
• • • • • • • • • • • • • • • • • Using the calculator • • • • • • • • • • • • • • • • •
Calculator functions used: Degrees/minutes/seconds key (D°M'S),
Press the following buttons and then start operation.
The information on the table below shows the departure and arrival times of two
trains, together with the distance of each station from Norwich.
How long does it take to complete the various stages of the journey?
Norwich – Diss
Diss – Stowmarket
Stowmarket – Ipswich
Ipswich – Colchester
Colchester – Chelmsford
Chelmsford – London
Example:
Try calculating the average speed of a train traveling from Norwich to London. The
train leaves Norwich at 11:30 and arrives in London at 13:22. Therefore, the time for
this journey is calculated by subtracting 11:30 from 13:22.
Input 13:22.
13
22
Subtract 11:30
11
We can see the journey takes one hour and 52 minutes.
How many hours is this?
Let's find out.
One hour and 52 minutes is 1.8666 hours.
time calculation (substraction, division)
17.75
13.5
10.25
15.25
19.5
26
30
13°22°00.00°
13°22°00.00°
41
Junior high school
DEG
DEG
DEG