Adding and Subtracting Rational Numbers

Front

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?

Back

-13 degrees

Front

Rewrite an equivalent expression as an addition statement: 4 - 10

Back

4 + - 10

Front

Which point represents 10 less than 1? Options:

A

,

B

,

C

,

D

,

E

Back

A

Front

Which 2 points can be added to make 2? Options: A and C, E and B, A and B, E and D

Back

E and B

Front

Munson is 5 feet below sea level. Directly above her is a cricket, at 2 feet above sea level. Which expression represents the difference in the two elevations? Options: 5 + 2, 2 - (-5), 2 - 5, -5 + 2

Back

2 - (-5)

Front

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?

Back

175 feet

Front

Possible value for s:

1/2

,

-2

,

-1/2

,

$-1\ \frac{1}{2}$

Back

-1/2

Front

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

1/2

,

-1

,

-1/2

,

1

Back

1

Front

Which 2 numbers will add to be NEGATIVE? Options:

-10 and 17

,

-2 and 8

,

-1 and 1

,

-5 and 3

Back

-5 and 3

Front

Which two numbers, when added together, will result in a positive number? Options: 5 and -10, -2 and -1, -8 and 7, -18 and 25

Back

-18 and 25