Fishing Hook E is at −7.1 feet. It descends another 3.25 feet. What is
its depth now?
-10.35
100
What number can be added to −2 to get a
sum of 0?
2
100
When her elevator was out of service,
Debi walked down 21 flights of stairs.
She stopped to rest after every 3 flights.
How many times did Debi stop to rest?
21/7 = 3
100
Solve and write out equation:
Four investors lost 24 percent of their combined investment in a
company. On average, how much did each investor lose?
-24 / 4 = -6
200
Ryan deposited $100 into his bank
account. Later in the week he withdrew
$75 from the account.
Write an expression that represents the
change in Ryan’s account balance.
100 + (-75)
200
Which of the following expressions has
the greatest value?
A −2 − 3
B −2 − (−3)
C 2 − (−3)
2 − (−3) = 2 + 3
200
Li bought his dog Spot a huge bone. Spot
chews 4 inches off the bone every day.
What number describes the change in the
length of the bone after 3 days?
-4 (3) = -12
200
−24 ÷ 8
-3
300
−3 5 −4 −10 18
Between each of the above integers you can insert a + or − .
What is the greatest possible value of the expression? Explain.
34
300
What number can be added to 9 to get a
result of 0?
-9
300
At a restaurant, 8 plates are accidently
broken every day for a week. What
number represents the change in the
number of plates the restaurant has?
-8 (7) = -56
300
solve and write out equation:
negative 38 divided by positive 19 equals ?
-38 / 19 = -2
400
What is the sum of −15 and −125?
-140
400
Maritza is playing a game. She started
with −10 points. In the first round she won
20 points. Which of the following shows
the change in Martiza’s score?
A −10 + 20
B −10 − 20
C 10 + 20
A −10 + 20
400
You play a game where you score −6 points on the first turn and on
each of the next 3 turns. What is your score after those 4 turns?
-24
400
Write out equation:
The value of a car decreased by $5,100 over 3 years. On average,
how much did its value decrease each year?
-5100 / 3 = -1700
500
What is the value of −11 − (−10)?
-1
500
What is the value of −2 + 9?
7
500
The outdoor temperature declines 3 degrees each hour for 5 hours.
What is the change in temperature at the end of those 5 hours?
-3 (5) = -15
500
The low temperature for 5 days was −5°,
−7°, −2°, 2°, and −3°. What was the
average low temperature for those days?