Elevation and Distance Problems

This video tutorial covers the final slides of the first lesson in Unit 5 of the seventh-grade Illustrative Mathematics curriculum. It focuses on understanding sea level elevation using positive and negative numbers, with examples involving various animals. The video also includes a discussion on a mobile array and comparisons of elevations, additional examples, an extension question about distances, and a section on ordering rational numbers. The lesson concludes with feedback and a summary of the key points.

What is the elevation of an object located above sea level?

• Zero

• Negative

• Undefined

• Positive

If a seagull is 10 meters above water, what is its elevation?

• 5 meters

• 10 meters

• -10 meters

• 0 meters

How would you describe the elevation of a penguin swimming at the water's surface?

• 10 meters

• 0 meters

• 3 meters

• -3 meters

What is the elevation difference between a mobile array at 3 meters and a seagull at 10 meters?

• 3 meters above

• 7 meters above

• 7 meters below

• 10 meters below

If an octopus is at -10 meters and a mobile array is at 3 meters, what is the elevation difference?

• 13 meters below

• 13 meters above

• 10 meters above

• 7 meters below

An albatross is 5 meters above the surface. How far above is it compared to a dolphin at 3 meters?

• 3 meters above

• 2 meters below

• 5 meters below

• 2 meters above

A clownfish is 2 meters below the surface. How far below is it compared to a seagull at 10 meters?

• 12 meters above

• 10 meters below

• 8 meters above

• 12 meters below

What is the vertical distance between a new dolphin at sea level and the existing dolphin at 3 meters?

• 0 meters

• 1 meter

• 6 meters

• 3 meters

How far is a person standing on the South Pole from a submarine at the sea floor below the North Pole?

• Approximately 10,000 miles

• Approximately 9,000 miles

• Approximately 7,000 miles

• Approximately 8,000 miles

Order the following rational numbers from least to greatest: -23, 30, -2.5, -5, 0, 3.

• -2.5, -5, -23, 0, 3, 30

• -5, -23, -2.5, 0, 3, 30

• -23, -5, -2.5, 0, 3, 30

• 30, 3, 0, -2.5, -5, -23