## Did Mariah Make a Mistake?

Mariah explained how to add -8 + (-4) by using the number line below. Mariah stated that -8 + (-4) = -4 by counting four spaces to the right from -8 on the number line and ending at -4. Which

## Miss Reyes’ Students

Miss Reyes put -7 + 5 = ? on the board and asked her students to represent the problem with a number line.  Charlie drew the number line below. Which of the following correctly describes Charlie’s number line? A.  The

## A Submarine’s Captain’s Instructions

A submarine was cruising at 450 feet below sea level.  The captain instructed the crew to climb 200 feet.  Which of the following represents the submarine’s new position? A.   -450 – 200 = -650 feet

## Josefa’s Checking Account

Josefa was overdrawn on her checking account, which left her with a balance of -\$15.00.  She made a deposit of \$50.  Which of the following represents this scenario? A.   -\$15 + \$35 = \$50 B.   -\$15 + \$50 = \$35

## Representing Temperature on a Number Line

At 6:00am, the temperature was 5 degrees F.  The temperature fell 9 degrees  more by 8:00am.  Which of the following represents this scenario? A.  B.  C.   D.