Chapter 2 Rational Numbers Review

What is true about −1.9 and −1.48 when plotted on a number line?

Select all the true statements.

• −1.9 is to the left of −1.48.

• −1.48 is greater than −1.9.

• −1.9 is closer to 0.

• −1.48 is closer to 0.

• −1.48 is less than −1.9.

Which point on the number line below is the opposite of

 $-\frac{2}{3}$  

• a
  

• b

• c

• d

What is the least common denominator for

 $\frac{1}{4}$  ,  $\frac{5}{3}$  , and  $\frac{7}{9}$  ?

• 16

• 18

• 36

• 72

 $-\frac{2}{6}$  < -2.6

• true

• false

 $-0.8<\left|-\frac{8}{10}\right|$  

• true

• false

 $\frac{9}{4\ }\ >\ -9.4$  

• true

• false

Ms. Franco has 64 pencils and 48 erasers. She wants to put an equal number of pencils and erasers into boxes for her students. What is the GREATEST number of pencils or erasers Ms. Franco can put in each box?

• 24

• 16

• 8

• 2

Which of these numbers is the least amount?

• -71.1

• 72.25

• -71 1/3

Korey runs every 3rd day and swims every 4th day. If he runs and swims today, how many days will it be before Korey runs and swims again on the same day?

• 2

• 8

• 12

• 24

While in flight, a hot air balloon decreases its elevation by $83\frac{2}{5}$   meters and then increases its elevation by 83.7 meters. Which of the following is a correct inequality to compare the changes in elevation of the hot air balloon while in flight?

•  $-83\frac{2}{5}\ <\ 83.7$  

•  $-83\frac{2}{5}\ >\ 83.7$  

•  $83\frac{2}{5}\ <\ -83.7$  

•  $83\frac{2}{5}\ >\ -83.7$