Understanding Elevation and Depth

Mr. Hul presents a lesson on understanding elevation in real-world contexts, using examples like hiking, sailing, and scuba diving. The lesson covers how to represent elevations with integers, graph these scenarios on a number line, and correct common mistakes in describing elevation and depth.

What is the primary focus of the lesson introduced by Mr. Hul?

• Learning about marine biology

• Real-world applications of positive and negative numbers

• Exploring different cultures

• Understanding sea currents

In the context of the lesson, what does an elevation of zero represent?

• On a mountain

• Above sea level

• Below sea level

• At sea level

How is the elevation of a scuba diver 30 feet below sea level represented?

• 30 feet above

• 30

• -30

• 0

What integer represents a hiker who is 2 miles above sea level?

• 2

• -10,560

• 10,560

• -2

When graphing elevations, what does a point at -20 on the number line indicate?

• 20 feet above sea level

• 20 feet below sea level

• At sea level

• 20 meters above sea level

What is the correct representation of a hiker 15 feet above sea level on a number line?

• 15

• -20

• 0

• -15

What is the correct way to express the depth of a submarine 800 feet below sea level?

• 800 feet above sea level

• -800 feet above sea level

• 800 feet below sea level

• -800 feet below sea level

Why is it incorrect to say 'negative 800 feet below sea level'?

• It uses a double negative, making it positive

• It is grammatically incorrect

• It is not specific enough

• It is too complex for students

What is the elevation of a coral reef 150 feet below sea level?

• 0

• -150

• 150

• 150 feet above

What is the main error in saying 'negative 150 feet below sea level'?

• It is too vague

• It is not a real-world scenario

• It uses a double negative

• It is not a complete sentence