1-1 Lesson Quiz

Which of these situations can be represented by the opposite of - 25?

• A scuba diver is 25 feet below sea level

• Leon gets paid $25

• An airplane descends 25 feet

• Sara has a $25 debt

Allie scores 4 points in the first round of a game. In the next round, she loses 6 points. Then she scores 4 more points. How many points does Allie have after 3 rounds?

• 14

• • - 6

• • - 14

• 2

Kristen goes on a cave tour with her family. They climb down 8 meters below ground level. Then they climb the opposite of - 8 meters to return to ground level. What is the total number of meters they climbed down and up?

Mike says the opposite of 5 is - 5 and the absolute value of 5 is - 5. Is he correct? Explain

• Yes

• No, he is wrong because - 5 is not the opposite of 5

• No, because the absolute value of 5 is not - 5 it is + 5

On Friday, the temperature was 82 degrees. The temperature changed - 2 degrees on Saturday, and then changed by + 5 degrees on Sunday. What was the temperature on Sunday? Choose the correct equation.

• 82 - 2 + 5 = 89

• 82 - 2 + 5 = 85

• 82 + 2 + 5 = 89

• 82 - 2 + 5 = 75