Map Scales and Measuring Distances

1
Map Scales and Measuring Distances

• 1 Star Map and Compass
• Lesson 4

2
Revision

• Conventional Signs
• Write down the names of these symbols

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4
5
3
2
6
3
Revision

• Grid References

Write down the two rules you need to remember
when doing grid references.

• What is the 6 figure grid reference of the
  following?
• The Inn
• Halt Train Station
• The Letter B

4
The Aim
The aim of this lesson is to teach you how to
measure distance between two points on a map so
that by the end of the lesson you will be able to
work out how far your walking on your expedition.
5
Scales
One on the map One on the ground
One on the map Two on the ground
One on the map Four on the ground
6
Scales

• Questions?

7
Measuring Distance
To measure the distance along a straight line
Take a strip of paper
Place the corner on the first point and line up
the second
B
Draw lines to show where the points are
A
8
Measuring Distance
To measure the distance along a straight line
Distance 2.2Km
Then take it to the scale at the bottom of the map
Line it up and read off the Distance
9
Measuring Distance

• Questions?

10
Measuring Distance
To measure the distance along a road or a river
Take a strip of paper
Place the corner on the first point and line up
the first bend
A
Draw lines to show where the points are
B
Keep doing this
11
Measuring Distance
To measure the distance along a straight line
Distance 3.0Km
Then take it to the scale at the bottom of the map
Line it up and read off the Distance
12
Measuring Distances

• Questions?

13
Measuring Distances

• Summary

14
Measuring Distances

• END