Map Scales and Proportions

This video tutorial teaches how to calculate actual distances on a map using scales. It covers the concepts of ratios and proportions, explaining how they relate to map scales. The tutorial provides examples of different map scales and demonstrates how to solve problems involving map distances, emphasizing the importance of accounting for turns and curves in real-world scenarios.

What is a ratio?

• A unit of measurement

• A comparison of two or more quantities

• A mathematical operation

• A type of map scale

What is a proportion?

• A type of map

• A mathematical operation

• A unit of distance

• A statement of equality between two ratios

How is a scale factor used in maps?

• To add distances

• To multiply actual distances to get map distances

• To divide distances

• To subtract distances

How do you convert kilometers to centimeters?

• Multiply by 10,000

• Multiply by 100,000

• Multiply by 100

• Multiply by 1,000

What does a map scale of 1:100,000 mean?

• 1 unit on the map equals 100,000 units in reality

• 100,000 units on the map equals 1 unit in reality

• 100,000 units on the map equals 100,000 units in reality

• 1 unit on the map equals 1 unit in reality

If a map scale is 1 inch equals 2 miles, how far is 5 inches on the map in actual distance?

• 5 miles

• 10 miles

• 2 miles

• 20 miles

What does a scale of 1 cm to 10 km mean?

• 10 km on the map equals 1 cm in reality

• 1 cm on the map equals 10 km in reality

• 10 cm on the map equals 1 km in reality

• 1 km on the map equals 10 cm in reality

What is the purpose of a map scale?

• To compare different maps

• To find the actual distance represented on a map

• To determine the height of mountains

• To measure the area of a map

What is the first step in setting up a proportion to calculate actual distance?

• Measure the distance on the map

• Convert all units to inches

• Draw a straight line

• Estimate the distance

What is a common mistake when measuring distances on a map?

• Using a ruler

• Measuring a straight line

• Including turns and curves

• Calculating the area