Operations with Rational Numbers Review

Mount Columbia is the highest mountain in the province of Alberta, with a peak of about 2,500 feet above sea level. Lake Toho has the lowest point at 50 feet below sea level.

What is the difference in elevation between Mount Columbia and Lake Toho?

• 2,213 feet

• 2,550 feet

• 2,450 feet

• 2,650 feet

Tags

CCSS.7.NS.A.1C

What is the value of the expression  $-18-\left(-28\right)$  ?

• 46

• -10

• 10

• -46

Tags

CCSS.7.NS.A.1C

Tammy and Carlos live on the same street as the community park. The street runs from west to east. Victoria lives  $5\ \frac{1}{2}$  blocks west of the community park.  Jorge lives  $4\ \frac{1}{2}$  blocks east of the community park, as shown on the number line diagram.

How many blocks apart do Tammy and Carlos live?

• 1 block

• 9 blocks

• 10 blocks

• 11 blocks

Tags

CCSS.7.EE.B.3

Alexandra plotted the points P, Q, R, S, and T on a number line as shown.
Which two values have a sum of  $0$  ?

• Q and T

• Q and S

• P and T

• R and S

Tags

CCSS.7.NS.A.1B

Select the expressions that are equivalent to  $-12$  .

•  $-12\times1=$  

•  $12\times-1\times-1\times-1=$  

•  $-3\times-\frac{4}{2}=$  

•  $-\frac{60}{5}\div\frac{5}{5}=$  

Tags

CCSS.7.NS.A.2A

What is  $\frac{4}{25}$  written as a decimal?

•  $0.16$  

•  $6.25$  

•  $0.4$  

•  $0.25$  

Tags

CCSS.6.NS.A.1

Halifax is at an elevation of  $-150\ \frac{1}{2}$  meters.  Dartmouth is 3 times farther below sea level than Halifax.
What is the elevation of Dartmouth?

•  $-451\ \frac{1}{2}$  meters

•  $450$  meters

•  $150\ \frac{1}{2}$  meters

•  $451\ \frac{1}{2}$  meters

Tags

CCSS.7.NS.A.3

Select the fraction that terminates when expressed as a decimal.

• $\frac{1}{3}$

• $\frac{1}{6}$

• $\frac{7}{8}$

• $\frac{11}{24}$

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Adonica was making snacks for her friends by putting equal amounts of trail mix into small bags. She started with $3\ \frac{4}{5}$  cups of trail mix.  She ate  $\frac{1}{5}$  of a cup of the trail mix.  Then she portioned  $\frac{3}{4}$  cup of trail mix evenly into each bag for her friends.
How many complete bags did Adonica make?

• 3 bags

• 4 bags

• 5 bags

• 6 bags

Tags

CCSS.7.EE.B.3

At sunrise on Monday, the temperature in Montreal, Quebec was  $-5\degree\ C$  .
By noon, the temperature in Montreal, Quebec increased by  $20\degree\ C$  .
What was the temperature in Montreal, Quebec at noon?

•  $25\degree\ C$  

•  $35\degree\ C$  

•  $15\degree\ C$  

•  $-25\degree\ C$  

Tags

CCSS.7.NS.A.1C