Multiplying and Dividing Rational Numbers Review

In the problem

 $\frac{1}{2}\times\left(-\frac{1}{8}\right)=-\frac{1}{16\ }$  what is  $\frac{1}{2}$  

• dividend

• Divisor
  

• Factor

• Product

• Rational Number

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CCSS.7.NS.A.2A

Complete the table to show the total changes in price for Stock B

(a)  

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CCSS.7.NS.A.3

Complete the table to show the average (mean) daily change in the price of Stock A

(a)  

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CCSS.7.NS.A.3

Complete the table to show the average (mean) daily change in the price of Stock C

(a)  

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CCSS.7.NS.A.3

Complete the table to show the total changes in price for Stock D

(a)  

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CCSS.6.NS.C.7C

A horse's weight decreases by 1/2 pound per week. At this rate, how many weeks will it take for the horse to lose a total of 5 1/2 pounds?  Write an expression that could be used to model this situation.

•  $5\frac{1}{2}\div\frac{1}{2}$  

•  $\frac{1}{2}\div5\frac{1}{2}$  

•  $-5\frac{1}{2}\div-\frac{1}{2}$  

•  $-\frac{1}{2}\div5\frac{1}{2}$  

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CCSS.6.NS.A.1

A horse's weight decreases by 1/2 pound per week. At this rate, how many weeks will it take for the horse to lose a total of 5 1/2 pounds?  Write an expression that could be used to model this s

(a)  

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CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

The total change in outdoor temperature over 6 hours was -21° F. What was the mean change in temperature per hour?

(a)  

 $\left(-\frac{1}{3}\right)\left(-2\right)\left(6\right)$  

Which experssions are equivalent to the above expression

•  $-\frac{1}{3}\left(-2\times6\right)$  

•  $\left(-2\right)\left(-\frac{1}{3}\right)\left(6\right)$  

•  $-\left(\frac{1}{3}\times2\times6\right)$  

•  $-\left(\frac{1}{3}\times6\right)-2$  

•  $\frac{\left(-\frac{1}{3}\right)\left(-2\right)}{\frac{1}{6}}$  

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CCSS.7.NS.A.2C

The depth of water in a swimming pool decreases 1/8 inch per day due to evaporation. No water is added to the pool for a 2-week period. What is the total change in the depth of the water during this time period?

• $-1\frac{3}{4}$

• $-\frac{1}{4}$

• $1\frac{7}{8}$

• $16$

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CCSS.7.NS.A.3