In the middle of the afternoon, the temperature outside was 0 °F. An hour later, the temperature had decreased by 20 °F. An hour after that, the temperature had decreased by another 4 °F. What increase in temperature is needed to return to the original temperature of 0 °F?
SchoolCity Retest NR.1-5

Quiz
•
Mathematics
•
7th Grade
•
Hard

Jenny Waller
Used 9+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4 °F
16 °F
20 °F
24 °F
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes a situation in which opposite quantities combine to make 0?
A scuba diver swam to a location 25 feet below sea level, then she swam 8 feet deeper.
A hot air balloon used propane to fly 50 feet higher, then used weights to fly 50 feet lower.
A child grew 1.5 inches taller one year, then 1.5 inches taller the next year.
A farmer mowed 5 inches off his grass one week, then it grew 4 inches the next week
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which expression is equivalent to 0?
(x)(-x)
x+(-x)
x/-x
x-(-x)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of this subtraction? -7.5 - 4.2 =
-11.7
11.7
-3.3
3.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The temperature on a mountain peak one day dropped from a high of -25 °C to a low of -50 °C. Which expression gives the total change in temperature?
-50 + (-25)
|-50-(-25)|
|-50+(-25)|
-50-(-25)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of the three numbers below? -20 + (-14) + 8=
-42
-26
14
26
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kimberly bought three kinds of fish for a party, as shown below. 1 1/4 pounds of catfish, 1 5/8 pounds of Crappie, 3/4 pounds of pink fish. What was the total weight of the fish?
3 5/8 pounds
2 pounds
1/4 pounds
1 3/4 pounds
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