Unit 4: Conventional signs, sketch maps and plans

A. What are conventional signs?

Conventional signs

Represent different features on a map

Designed by specialists and understood by map users

Help us to read and understand what a map shows

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Unit 4: Conventional signs, sketch maps and plans

Explains the exact meaning of the symbols

Usually placed at the bottom of each map

Key

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Unit 4: Conventional signs, sketch maps and plans

Sketch map

A simple and rough map

Can only show important features

Cannot show all the details of an area

Not to accurate scale

B. What is a sketch map?

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Unit 4: Conventional signs, sketch maps and plans

C. What is a plan?

Plan

A large-scale drawing of a place as seen from above

Can show detailed features of a place

When you draw a plan, make sure it has:

(i) a scale(ii) a north sign(iii) conventional signs(iv) a key(v) a title Next

Unit 4: Conventional signs, sketch maps and plans

Terms to learn:

Conventional signs - symbols used in maps to represent various features

Sketch map - a simple drawing which shows only the important features of a place

Plan - a large-scale and detailed drawing of a place or building as seen from above

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Unit 4: Conventional signs, sketch maps and plans

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Some common conventional signs