Integer Word Problem Lesson

Camilla was swimming along the bottom of her backyard pool at a depth of 6 feet. Then, she pushed off the bottom and rose 4 feet. What is Camilla's position now relative to the surface of the pool?

To solve the problem, Jordan added –

6+4 and came up with an answer of 2 feet. Is Jordan correct? Why or why not?

A dolphin was swimming 7 meters below the surface of the ocean. It located a squid and dove down 4 more meters to eat it. What is the location of the dolphin now relative to the surface?

Bryant was playing the video game Ship, Ship Ahoy! He began Level 2 with 15 points but soon got –

6 points because his character fell overboard. What is Bryant's total score now?

Overnight, the temperature in Mayville was –4°F. But by the following afternoon, the temperature had risen 11°F. What was the temperature in Mayville that afternoon?

When Lena went to her friend's sleepover on Friday night, the temperature was –7°F. By the next morning, the temperature had risen to –1°F.