Paula dives into a swimming pool from a diving board 2 feet above the water’s surface. She descends to a depth 7 feet below the diving board. How far is Paula from the surface of the water?
1. What integer represents Paula’s starting height above the water?
2. What integer represents the total distance Paula descends?
3. Write an addition expression to represent Paula’s distance below the water’s surface.
4. On the number line below, the arrow represents Paula’s starting height above the water. Draw an arrow to represent Paula’s dive into the water. Where does your arrow end?

5. At the end of her dive, Paula is feet below the surface of the water.