Scale on a map miles flashcards

What is a map scale?

A map scale shows the relationship between distances on the map and actual distances on the ground.

True or false: A scale of 1:100 means 1 inch equals 100 inches.

True, because it indicates that 1 unit on the map represents 100 units in reality.

How do you convert inches on a map to miles?

Multiply the inches by the scale factor and then convert to miles using the formula: $\displaystyle 1 mile = 63360 inches$.

Find the actual distance: 2 inches on a 1:200 scale?

Multiply 2 inches by 200: $\displaystyle 2 imes 200 = 400$ inches. Then convert to miles: $\displaystyle 400 ext{ in} / 63360 ext{ in/mile} ext{ = } 0.0063$ miles.

Difference between scale and ratio?

Scale is a specific way to depict size on maps, while a ratio can express any relationship between two numbers.

Fill in the blank: 1:50 means 1 unit on the map represents ____ units in reality.

50 units in reality.

What is the scale if 1 inch equals 5 miles?

The scale is expressed as 1:316800 because $\displaystyle 5 miles = 316800 inches$.

True or false: A larger scale means more detail.

True, because larger scales like 1:10 provide more precise information than smaller scales.

Convert 5 inches on a 1:150 scale to miles.

5 inches = $\displaystyle 5 imes 150 = 750$ inches; $\displaystyle 750 ext{ in} / 63360 ext{ in/mile} ext{ = } 0.0118$ miles.

What does a scale of 1:25,000 mean?

1 unit on the map equals 25,000 units in the real world, useful for large area maps.

Find the real distance if the map shows 3 inches at 1:1000.

3 inches × 1000 = 3000 inches, which equals $\displaystyle 3000 ext{ in} / 63360 ext{ in/mile} ext{ = } 0.0472$ miles.

How does scale affect navigation?

Scales help determine distances, which affects travel time and planning routes accurately.