## The World’s Highest and Lowest Locations

## Work Time

# The World's Highest and Lowest Locations

You have been asked to write a book called *The World’s Highest and Lowest Locations.*

From *The World’s Highest and Lowest Locations* video, choose four locations above sea level and four locations below sea level to include in a diagram for the book.

- Either use the handout or draw your own number line in your notebook.

VIDEO: The World’s Highest and Lowest Locations

HANDOUT: The World's Highest and Lowest Locations

# Challenge Problem

- If you drew a horizontal number line for your book, now draw a vertical number line. If you drew a vertical number line for your book, now draw a horizontal number line.
- Explain how your number line represents elevations above and below sea level.
- Explain how you use the number system to show elevations above and below sea level.

Hint: First locate sea level on the number line.