ADV Multiplying Integers with Models

Avery is playing a card game with her friends. She scores –6 points each round for three rounds. Which expression could represent Avery’s points? Select all that apply.

• The opposite of 5 groups of 8

• The opposite of 5 groups of –8

• The product of 5 and 8

• The difference between –5 and –8.

Write the equation represented by the model.

(a)  

The temperature outside at 12PM was 0 C. The outdoor temperature ° decreases 3 degrees each hour. Which expression represents the temperature outside at 7PM?

Which of the following statements could represent the model shown?

A submarine descends at a rate of 4 feet per second. Write an expression that could represent the final elevation of the submarine after 1 minute.

(a)  

The product of 3 and –2 is ​ (a)   ​

• negative
• positive
• zero

The temperature dropped 2 ° F every hour for 5 hours. Which expression represents the change in temperature after 5 hours. Select all that apply.

Which expression simplifies to –16?

Wyatt is training for a 5K run. For each of his last 4 training runs, he reduced his time by 1.5 minutes. Which expression could represent the change in Wyatt’s run time?