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Geography / Grid maps and scale / Grade 6 / gg6b3

Read a Ratio Scale - Practice 2

A scale of 1:N compares equal units.

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A scale of 1:N compares equal units. One map cm represents N ground cm. Convert centimeters to meters by dividing by 100; do not compare a map centimeter directly to a kilometer. These are ideal flat maps.

Worked example

At 1:5,000, 2 map cm represents 10,000 ground cm, or 100 m.

A four-division scale bar labels 0, 2, 4, 6 and 8 km. Each nominal one-map-centimeter division represents two kilometers. The on-screen size is not guaranteed to measure four centimeters.
A four-division scale bar labels 0, 2, 4, 6 and 8 km. Each nominal one-map-centimeter division represents two kilometers. The on-screen size is not guaranteed to measure four centimeters.
Question 1 Ideal map 6 uses scale 1:4000. A segment is 6 cm on the map. What ground distance does it represent in meters?
Question 2 Ideal map 7 uses scale 1:2000. A segment is 7 cm on the map. What ground distance does it represent in meters?
Question 3 Ideal map 8 uses scale 1:3000. A segment is 8 cm on the map. What ground distance does it represent in meters?
Question 4 Ideal map 9 uses scale 1:4000. A segment is 9 cm on the map. What ground distance does it represent in meters?
Question 5 Ideal map 10 uses scale 1:2000. A segment is 10 cm on the map. What ground distance does it represent in meters?