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# Maps and Scales

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by

## Mr Mattock

on 6 February 2017

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#### Transcript of Maps and Scales

Maps and Scales
L.O. - To use scales on maps to find distances.
Planning with Maps
Who can find the shortest route?
Starter
Convert the following:

50000 cm to (a) metres and (b) km

25000 cm to (a) metres and (b) km
Scales on Maps
A map has a scale of 1:50000

(a) What does this mean?

(b) Why would we prefer to use metric rather than imperial units with this scale?
Scales on Maps
A map has a scale of 1:50000

(a) What does this mean?
That the things in real life are 50000 times bigger than those on the map
(b) Why would we prefer to use metric rather than imperial units with this scale?
Because metric units are based around powers of 10 and 50000 has lots of factors of 10.
Scales on Maps
A map has a scale of 1:50000

(a) How far in real life is a distance of 12 cm? Give your answer in kilometres.

(b) How far on the map would a real life distance of 4.5 km be?
Scales on Maps
A map has a scale of 1:50000

(a) How far in real life is a distance of 12 cm? Give your answer in kilometres.
6 kilometres

(b) How far on the map would a real life distance of 4.5 km be?
9 cm
Starter
Convert the following:

50000 cm to (a) metres and (b) km

(a) 500 m (b) km

25000 cm to (a) metres and (b) km

(a) 250 m (b) km
1
2
1
4
Main Activity
Main Activity
Shortest route:

Boston - Sleaford - Conningsby - Woodhall Spa - Bardney - Horncastle - Spilsby - Wainfleet - Skegness.
Key
Examples

Activities
Activity