SAR Fundamentals/Navigation/Map/Distance/Question bank

1

What expression is used to describe how much larger the real world is than a distance on a map?

map scale

2

What is the scale of the topo maps typically used in SAR, developed by the Canadian Government?

1:50,000

3

On a 1:50,000 topo map, how far in the real world does the space between grid lines represent?

1 km.

4

On a 1:50,000 topo map, how many centimeters would represent 1 km?

2 cm.

5

On a map where 2 cm represents 1 km, what distance would 5 cm represent?

2.5 km

6

What are 3 ways that a map's scale may be shown on a map?

• A direct statement: "1 cm = 500 m"
• linear scale: drawing of distances
• representative fraction: "1 : 50,000" or "1/50,000"