Multiply and Divide Rational Numbers Study Guide

-6.1(2.5)

• 15.025

• 15.25

• -15.025

• -15.25

Tags

CCSS.7.NS.A.2A

Which expression is equivalent to ‒18 ÷ 9?

• ‒18 ÷ ‒ 9

• 18 ÷ ‒ 9

• 18 ÷ 9

• 9 ÷ ‒18

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

Over the past week, Angel made five withdrawals from his bank account. If he withdrew $12 each time, find the total change in Angel's account over the past week.

• (‒ 12) (5) = ‒ 60

• ‒ 12 + ‒ 5 = ‒ 17

• (‒ 12) (‒5) = 69

• ‒ 12 + 5 = ‒ 17

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Simplify: (-5)(-2)(-2)(-1)

• -12

• 9

• 20

• None of these

Tags

CCSS.7.NS.A.2C

Who solved the problem correctly?

• Bill's answer

• Missy's work

• Bill and Missy

• Neither

Tags

CCSS.7.NS.A.3

 $-\frac{1}{4}\times\frac{2}{5}$   

•  $\frac{1}{3}$  

•  $-\frac{1}{3}$  

•  $\frac{1}{10}$  

•  $-\frac{1}{10}$  

Tags

CCSS.7.NS.A.2A

The temperature has changed by ‒8.4°F over the last 1.5 hours. What does the quotient of ‒8.4 ÷ 1.5 represent?

• The average change in temperature each hour

• The number of hours it took to decrease 8.4°F

• The total change in temperature in 1.5 hours

• What the change in temperature actually felt like

Tags

CCSS.7.EE.B.3

If m represents -6, what is the value of the following?

• -9

• 9

• 16.5

• -16.5

Tags

CCSS.7.NS.A.3

Which of these division problems has a quotient of 

 $-7\frac{4}{9}$  

•  ‒ 67 ÷ 4

•  ‒ 67 ÷ 9

• ‒ 67 ÷ ‒ 74 

• ‒ 67 ÷ ‒ 9

Tags

CCSS.7.NS.A.2B

 $-\frac{3}{4}\div-\frac{3}{8}$  

•  $\frac{9}{32}$  

•  $-2$  

•  $2$  

•  $-\frac{9}{32}$  

Tags

CCSS.7.NS.A.2B