Introduction on route maps — lesson. Mathematics State Board, Class 7.

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Maps:

In general, maps are used to descale and represent the real world on a much smaller scale.
Maps help analyze, record and creating scalable paths (or) graphical waypoints for existing geographical locations.
Maps are useful in presenting key facts within a geographical context and thus enabling easier and quicker access to a complex concept descriptively.

A map is a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc.

Cartography is a science or art of making maps. The people who study (or) make maps are called cartographers.

Scaling:

Scaling refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. For example, on a

$1$ :

$100000$ scale map,

$1$

$cm$ on the map equals

$1$

$km$ on the ground.

The typical measurement scales usually followed while mapping is as follows:

A neighborhood building:

$1 cm = 20$

$cm$

A city map on a full page:

$1 cm = 2$

$km$

India’s map on a full page:

$1 cm = 200$

$km$

The world Map:

$1 cm = 3000$

$km$

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