Rational Numbers Exam Review

What number is only classified as a rational number?

• 4

• -1.4

• 0

• -10

Which expression below has a value of -10?

• $-5\ \times\ -2\$
  

• $-\frac{20}{2}$

• $-12\ +\ \left(-2\right)$

• $12\ -\ 2$

Which statement is true?

• All natural numbers are whole numbers.

• All whole numbers are natural numbers.

• All rational numbers are negative.

• All integers are fractions.

Which expression has a value of 5?

• $-10\div2$

• $-4-1$

• $-5\times\left(-1\right)$

• $6-\ \left(-1\right)\$

The table shows the price of some breakfast items. Mariana ordered 2 eggs, 1 slice of bacon, and 1 glass of orange juice. She had to also pay a sales tax of $0.48.

Mariana paid her server with a $10 bill.

How much change should Mariana receive from her $10?

• $3.56

• $6.44

• $5.25

• $4.75

If Ms. Mark wants to equally distribute  $5\ \frac{1}{4}$  pounds of candy into 3 equal containers, how much candy will be in each container?

Hint: 
MAD
KCF 
NIDO

•  $1\ \frac{2}{3}$  pounds

•  $1\ \frac{3}{4}$  pounds

•  $2\ \frac{1}{4}$  pounds

•  $8\ \frac{3}{4}$  pounds

Below are the points each friend scored during a board game.

Ella: +3

Arely: -2

Yulissa: -1

Nicole: +2

What is the team's total score?

• 2

• -8

• 6

• -3

Illana gave the cashier $20 for 4 pairs of socks. If the cashier gave back $4.20 in change, how much was each pair of socks?

• $6.75

• $16.80

• $5.00

• $3.95

56 x 13

• 728

• 733

• 69

• 43

70 x 21

• 1,470

• 91

• 1,520

• 49