Adding and Subtracting Rational Numbers

At 3pm, the temperature outside was 18 degrees below zero. An hour later, the temperature rose 10 degrees, but by midnight, the temperature had dropped another 5 degrees. What was the final temperature outside at midnight?

• 36 degrees

• 33 degrees

• -3 degrees

• -13 degrees

Tags

CCSS.7.NS.A.3

Rewrite an equivalent expression as an addition statement:

4 - 10

• 4 + 10

• 10 - 4

• 4 + - 10

• -4 + -10

Tags

CCSS.7.NS.A.1B

Which point represents 10 less than 1?

• A

• B

• C

• D

• E

Tags

CCSS.2.MD.B.6

Which 2 points can be added to make 2?

• A and C

• E and B

• A and B

• E and D

Tags

CCSS.7.NS.A.1B

Munson is 5 feet below sea level. Directly above her is a cricket, at 2 feet above sea level. Which of the following expressions represents the difference in the two elevations?

• 5 + 2

• 2 - (-5)

• 2 - 5

• -5 + 2

Tags

CCSS.7.NS.A.1C

A pelican is flying

 $3\frac{1}{4}$  feet above sea level.  It spots a fish directly below it at  $8\ \frac{5}{8}$  feet below sea level.  How far will the pelican have to travel to get the fish?

•  $11\ \frac{7}{8}$  feet

•  $5\ \frac{3}{8}$   feet

•  $5\ \frac{1}{2}$  

•  $11\ \frac{1}{2}$  feet

Tags

CCSS.7.EE.B.3

A mountain climber is standing on a mountain 155 feet above sea level. Directly below them is another climber at 20 feet below sea level. How far apart are the climbers?

• 135 feet

• 175 feet

• 120 feet

• 190 feet

Tags

CCSS.7.NS.A.1C

Which of the following is a possible value for s?

• 1/2

• -2

• -1/2

• $-1\ \frac{1}{2}$

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

The point s represents -1/2 on the number line. Which value could be added do the value of point s to make a positive number?

• 1/2

• -1

• -1/2

• 1

Tags

CCSS.7.NS.A.1B

Which 2 numbers will add to be NEGATIVE?

• -10 and 17

• -2 and 8

• -1 and 1

• -5 and 3

Tags

CCSS.7.NS.A.1C