Understanding Elevation and Depth

The video tutorial introduces the concept of elevation using examples of a hiker, sailor, and scuba diver. It explains how to represent different elevations using integers, graph these on a number line, and correct statements about elevation and depth. The tutorial emphasizes understanding positive and negative integers in relation to sea level.

What activity is associated with being above sea level in the introduction?

• Swimming

• Scuba diving

• Hiking

• Sailing

How is the concept of elevation related to an elevator?

• Both are stationary

• Both involve moving horizontally

• Both are related to water activities

• Both involve moving to different levels

What integer represents a scuba diver 30 feet below sea level?

• -30

• 0

• 15

• 30

What integer represents a sailor at sea level?

• 5

• 0

• -10

• 10

If a location is described as 2 miles above sea level, what integer could represent this?

• 10,560

• 0

• -2

• 2

How would you graph a hiker 15 feet above sea level on a number line?

• At 0

• At 20

• At -15

• At 15

What is the correct integer representation for a diver 20 feet below sea level?

• 20

• -20

• 15

• 0

Which statement is correct about a submarine 800 feet below sea level?

• The depth is 800 feet below sea level

• The depth is -800 feet above sea level

• The depth is 800 feet above sea level

• The depth is -800 feet below sea level

How should the depth of a coral reef 150 feet below sea level be stated?

• 150 feet above sea level

• -150 feet below sea level

• -150 feet above sea level

• 150 feet below sea level

What does the term 'below sea level' imply about the integer representation?

• It is undefined

• It is negative

• It is positive

• It is zero