Representing Integers
Opposites and Absolute Value
100
Since his last vet appointment, a cat lost 2 ounces. Write an integer to represent the situation. Explain the meaning of zero in each situation.
-2 ounces
100
Find the opposite of −3
3
200
Abigail withdrew $15 from her checking account. Write an integer to represent the situation.
$-15
200
The value of -(-13) is __.
13
300
Graph each the set of integers {5, −5, −6} on a number line.
300
One winter night, the temperature outside was 10°F. Overnight, the temperature dropped to –2°F.
How many degrees did the temperature drop?
12 degrees
400
Salton City, California is located 38 meters below sea level. What is a possible elevation for Salton City?
-38 meters below sea level
400
Mariano tosses a quarter into a wishing well. The top of the well is represented by 0 feet. The location of the quarter after the fall is represented by –14 feet.
The quarter fell __ feet.
14 feet
500
Sydney owes her mother $5 and her brother owes her mother $7. Graph the integers that represent the amount they owe their mother as a negative number on a number line. How much more will her brother have to repay their mother than Sydney? Explain.
Her brother will owe $2 more