M7|L1  Positive and Negative NumbersSign out
Use the number line to help you compare distances to sea level.
Which location is the farthest distance from sea level?
Location	Elevation (feet)
Hilltop	250
Coral Reef	-150
Submarine	-450
Lighthouse	350
Valley	-50
500 ft
400 ft
300 ft
200 ft
100 ft
0 ft
-100 ft
-200 ft
-300 ft
-400 ft
-500 ft
Lighthouse
Hilltop
Valley
Submarine
Coral Reef
The
is the farthest distance from sea level.

To find which location is the farthest from sea level, we need to compare the absolute values of the elevations. Sea level is at 0 feet, so the distance from sea level is simply the absolute value of the given elevation.

- **Hilltop**: 250 feet → distance = |250| = 250 feet
- **Coral Reef**: -150 feet → distance = |-150| = 150 feet
- **Submarine**: -450 feet → distance = |-450| = 450 feet
- **Lighthouse**: 350 feet → distance = |350| = 350 feet
- **Valley**: -50 feet → distance = |-50| = 50 feet

The **Submarine** is the farthest from sea level with a distance of 450 feet.

Would you like more details or have any questions?

Here are 5 related questions:
1. What is the relationship between elevation and distance from sea level?
2. How do we calculate the absolute value of a number?
3. How does the number line help in comparing distances?
4. What is the significance of positive and negative elevations?
5. Can a location below sea level ever have a greater distance than one above sea level?

**Tip:** The absolute value of a number always represents its distance from zero on the number line.

Use the number line to help you compare distances to sea level. Which location is the farthest distance from sea level? Location Elevation (feet): Hilltop 250, Coral Reef -150, Submarine -450, Lighthouse 350, Valley -50.

Explore how to find which location is the farthest from sea level by comparing the absolute values of different elevations, such as Hilltop (250 feet), Coral Reef (-150 feet), and Submarine (-450 feet). Suitable for Grades 5-7, this problem uses absolute values and number line concepts.

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