Unit 1 Section 1 : Mileage Charts

In this section we look at mileage charts.
A mileage chart is a convenient way of showing the distances between several places.

Example Question 1

Look at the table on the left. The distances are given in miles.

Each number represents the distance between two towns. The first town is the one directly above the number and the second is the town to the right of the number.

Try clicking on the number 125. We can see from the yellow highlighting that Bristol and Plymouth are 125 miles apart.

If we want to find out how far Penzance is from Barnstaple, we have to find the number which is in line with both Barnstaple and Penzance. We can see that the distance between Barnstaple and Penzance is 108 miles.

Click the number 108 to check this is correct.

Practice Questions
Use the distance chart above to work out the answer to these questions then click to see if you are correct.
(a) How far is it from Taunton to Exeter?

(b) Jerry travels from Barnstaple to Exeter, then from Exeter to Plymouth, and finally back from Plymouth to Barnstaple.
How far does he travel altogether?

Example Question 2

The network diagram below shows the distances in miles between some towns:

Use the information to work out the values in the mileage chart on the right. The chart needs to show the shortest distance between the towns. When you have worked out what distance each cell contains, click the

button to see if you are correct.

HINT: Work out all the distances between towns which are directly connected first, then work out the distances where you need to go via another town.

Exercises

Work out the answers to the questions below and fill in the boxes. Click on the

button to find out whether you have answered correctly. If you are right then

will appear and you should move on to the next question. If

appears then your answer is wrong. Click on

to clear your original answer and have another go. If you can't work out the right answer then click on

to see the answer.

You have now completed Unit 1 Section 1

Your overall score for this section is

Correct Answers
You answered questions correctly out of the questions in this section.

Incorrect Answers
There were questions where you used the Tell Me button.
There were questions with wrong answers.
There were questions you didn't attempt.

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Produced by A.J.Reynolds December 2002


					(a) Complete the three missing distances in the distance chart. (b) What distance is travelled in a return journey between London and York? miles