unit 2 sec 1.1

Unit 2 sec 1.1 Planning a journey

09 October 2015

10:55

Clarifying the question

The first step in tackling a practical problem is to decide what question you need to ask. For example consider the problem of getting to the right place at the right time.

Here a key question is when you should set off.

The answer to this question may depend on several factors such as what kind of transport is available in the area,

One way of tackling this problem is to use a route planning system, known as a route planner.

You’ll see in this section how to make your own estimate the journey time along a particular route.

As many problems, it helps to consider a simpler version first. There are many possible route that students could take, but to see what’s involved in calculating the time.