Scale and Distance

Aims for today’s lesson:1.To know and understand what scale is.2.To know the three types of scale. 3.To know how to calculate distance using scale.

What’s wrong with these images?

Maps have to be drawn _____ than real life to fit on a piece of paper. How much smaller they are is shown by the ______. This shows you the _____ distance between places.

real smaller scale

Copy and complete using words from the box below.

How can we show it? OWordsORatioOLine/bar

Relationship between distance on a map or plan and distance in real life.

This means 1cm on the map = 10cm on the ground. On OS maps the scale is often 1:25 000.

SCALESCALE