7th Grade Unit 5 Math Review

Is this true? 4.5 + (-4.5) = 0

• Yes

• No

• Only when it's raining

• I don't know.

Tags

CCSS.7.NS.A.1B

2. A heron is perched in a tree 60 feet above sea level. Directly below the heron, a pelican is flying 10 feet above sea level. Directly below the birds is a trout, swimming 13 feet below sea level. Select the FALSE statement.

• The pelican fell from the sky, landed in the sea, and rode the trout to Bermuda.

• The distance between the heights of the pelican and heron is -50 feet.

• Why have you asked me this question?

• The distance between the heights of the pelican and the trout is 23 feet.

Tags

CCSS.7.NS.A.1C

(-12) ⋅ 2/3 =

• 8

• -8

• -18

• Purple, because cows can't fly

Tags

CCSS.7.NS.A.2A

-15/3

• 0

• 5

• -45

• -5

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

1/2a = -6

• a = -12

• It's too early to answer this question.

• a = 12

• a = -3

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

10 - b = 10.5

• b = 15

• b = .5

• b = -.5

• Is it lunch time yet?

Tags

CCSS.2.OA.A.1

-0.1=-10c

• c= .01

• In the grand scheme of things, does this really matter?

• c= - 1.1

• c = -.01

Tags

CCSS.7.RP.A.3

Jada walks up to a tank of water that can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When Jada first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water. At what rate is the tank draining?

• -2/3 gallon per minute

• -2 gallons per minute

• -1 gallon per minute

• Not fast enough

Tags

CCSS.7.NS.A.3

Jada walks up to a tank of water that can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When Jada first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water. How many more minutes will it take for the tank to drain completely?

• 15 minutes

• 7.5 minutes

• 10 minutes

• Never

Tags

CCSS.6.NS.B.3

Jada walks up to a tank of water that can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When Jada first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water. How many minutes before Jada arrived was the water tank completely full?

• 4.5 minutes

• 6 minutes

• 3 days

• It was never full.

Tags

CCSS.6.NS.B.3