1. Measuring the length and distance
Map Reading
Measuring the length and distance

2. Measuring straight line distance between two points.
Join the two places with a straight line.
Measure the length between them on the map with a ruler. 5.5 cm
Identify the scale of the map: 1cm to 3.2 km
Do the calculation for the answer: km X 5.5 = 17.6km

3. Measuring straight line distance between two points.
Join the two places with a straight line.
Measure the length between them on the map with a ruler.
Identify the scale of the map
Do the calculation for the answer: Scale X Distance on the map

4. Finding the actual ground distance of a curved line by using a piece of paper.
Use a piece of paper with straight edge.
Divide the road into different parts. Each part could be measured as a straight line.

5. Finding the actual ground distance of a curved line by using a piece of paper.
Place the edge of the paper against the first part of the road.
Use to tip of a pencil to pin the paper at the end of the first part , the twist the paper till attaches to another straight part.

6. Finding the actual ground distance of a curved line by using a piece of paper.
Same method is applied to measure the remaining straight

7. Finding the actual ground distance of a curved line by using a piece of paper.
Place the paper along a ruler and obtain the map distance of the road in cm.

8. Finding the actual ground distance of a curved line by using a piece of paper.
With reference to the linear scale, measure the actual ground distance of the road from Perth to Sydney.
Do the calculation: the scale is 1.5 cm to 500km. So the actual ground distance of the road is (10.7/1.5 X 500m)=3567km