Grade 7 | Unit 5 | Lesson 12: Negative Rates | Practice Problems
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Mathematics
6th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe a situation where each of the following quantities might be useful. -20 gallons per hour.
Water leaking out of a tank
River flow rate
Fuel consumption during vehicle idle
Aquarium water change rate
Tags
CCSS.6.NS.C.7C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe a situation where each of the following quantities might be useful. -10 feet per minute.
An airplane descending
An elevator moving
A fan blade rotating
A car moving in reverse
Tags
CCSS.6.NS.C.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe a situation where each of the following quantities might be useful. -0.1 kilograms per second.
Gravel being emptied out of a truck
A balloon deflating
Snow melting
Sand being poured from a height
Tags
CCSS.7.RP.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A submarine is only allowed to change its depth by rising toward the surface in 60-meter stages. It starts off at -340 meters. At what depth is it after 1 stage?
-280 meters
-300 meters
-320 meters
-340 meters
Tags
CCSS.7.NS.A.1C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A submarine is only allowed to change its depth by rising toward the surface in 60-meter stages. It starts off at -340 meters. At what depth is it after 2 stages?
-220 meters
-280 meters
-260 meters
-240 meters
Tags
CCSS.7.NS.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A submarine is only allowed to change its depth by rising toward the surface in 60-meter stages. It starts off at -340 meters. At what depth is it after 4 stages?
-100 meters
-140 meters
-160 meters
-180 meters
Tags
CCSS.7.NS.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A submarine is only allowed to change its depth by rising toward the surface in 60-meter stages. It starts off at -340 meters. How many stages will it take to return to the surface?
5 stages
6 stages
6.5 stages
7 stages
Tags
CCSS.8.EE.A.4
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