Adding and Subtracting Rational Numbers Retest Review

Subtract: (-27) - (-13)

• -14

• -40

• 14

• 40

Melissa is currently standing 24 feet above sea level. Said is standing 8 feet below sea level. How far must Said climb up to be at the same elevation as Melissa?

• -16 feet

• -32 feet

• 32 feet

• 16 feet

Simplify. (4.99 + 14.92) + (-14.92)

• -34.83

• -19.91

• 19.91

• 4.99

Joseph borrows $5.50 from his parents to pay for lunch and $14.75 from his sister to go to the movies. How much money does he need to repay in order to be debt free (owe $0)?

• $9.25

• $20.25

• $5.50

• $14.75

 $4\frac{5}{6}-\left(-2\frac{2}{5}\right)$  

•  $6\frac{7}{11}$  

•  $2\frac{13}{30}$  

•  $6\frac{7}{30}$  

•  $7\frac{7}{30}$  

Which of the following expressions is equivalent (equal) to

-5 - 3

• -5 + -3

• 5 + (-3)

• -5 + 3

• -5 - (-3)

On Monday, a bank account balance was

-$22.00

On Tuesday, the balance was

-$57.00

Which integer describes the change in the balance from Monday to Tuesday?

• -$79.00

• -$34.00

• $34.00

• $79.00

Samantha earns money when she brings home good grades, but loses money when her grades are poor.

At the beginning of the week Samantha had $35.75.

During the week, Samantha had the following changes to her savings: +$2.25 , -$1.75 , -$0.25, +$3.00, +$1.75

How much did she have at the end of the week?

• $40.75

• $44.75

• $26.75

• $38.00

Bill and Antonio shared a large pizza for lunch. Bill ate (1/5) of the pizza and Antonio ate (1/3) of the pizza. How much of the pizza did they eat altogether?

• 8/15

• 1/8

• 1/15

• 1/2

In the diagram, the gray squares represent (-1) and the white squares represent 1. Which problem and solution are modeled below?

• 3 + (-5) = -2

• -3 + 5 = -2

• -3 + 5 = 2

• -3 + (-5) = 2