Scale Factors and Map Distances

Mr. Holcomb revisits a skipped exercise from lesson 22, focusing on comparing maps and calculating scale factors. Jackie and Carmen's maps are compared, and the scale factor between them is determined. The video explains how to calculate the scale factor from a map to actual distance, ensuring the correct setup for reduction. The exercise concludes with final calculations and an apology for the oversight.

What was the main reason for creating this video?

• To introduce a new math concept

• To explain a complex theory

• To correct a mistake in a previous video

• To provide additional exercises

What was the length of the map printed by Jackie?

• 26 centimeters

• 4 centimeters

• 10 centimeters

• 30 centimeters

How does the scale factor between Carmen's map and Jackie's map compare?

• It is greater than 1

• It is less than 0

• It is exactly 1

• It is between 0 and 1

What is the reduced ratio of Carmen's map to Jackie's map?

• 2:13

• 1:13

• 1:26

• 4:26

What is the scale factor of Jackie's map to the actual distance?

• 1:100

• 1:1000000

• 1:560

• 1:563270

What is the correct setup for calculating the scale factor from Jackie's map to the actual distance?

• 1/563270 multiplied by 2/13

• 2/13 multiplied by 1/563270

• 2/13 divided by 1/563270

• 1/563270 divided by 2/13

What is the final scale factor of Jackie's map to the actual distance?

• 13/563270

• 26/563270

• 13/1126540

• 26/1126540

What is the actual distance if the map distance is 26 centimeters?

• 1,126,540

• 2,252,308

• 1,000,000

• 563,270

What mathematical operation is used to find the actual distance from the scale factor?

• Multiplication

• Addition

• Division

• Subtraction

What should you always do after setting up an equation for scale factors?

• Ignore the results

• Check your work

• Change the units

• Add more variables