Grade 7 | Unit 5: Rational Number Arithmetic | End-of-Unit Assessment (A)

Select all the true statements.

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7.NS.A.1

A heron is perched in a tree 50 feet above sea level. Directly below the heron, a pelican is flying 17 feet above sea level. Directly below the birds is a trout, swimming 23 feet below sea level. Select all the true statements.

• The difference in height between the pelican and the heron is -33 feet.

• The difference in height between the pelican and the heron is 33 feet.

• The distance between the heights of the pelican and heron is -33 feet.

• The difference in height between the pelican and the trout is -40 feet.

• The difference in height between the pelican and the trout is 40 feet.

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7.NS.A.1.c

Which expression has a negative value?

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7.NS.A

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7.NS.A.1.b

7.NS.A.2.b

7.NS.A.3

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7.EE.B.4.a

The table shows transactions from five different bank accounts. Fill in the missing numbers. Explain what each of the numbers -10, -20, and -30 tells you about Account 5.

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7.NS.A.1

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. At what rate is the amount of water in the tank changing? Use a signed number, and include the unit of measurement in your answer.

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7.NS.A.2

7.NS.A.3

How many more minutes will it take for the tank to drain completely? Explain or show your reasoning.

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7.NS.A.2

7.NS.A.3

How many minutes before Jada arrived was the water tank completely full? Explain or show your reasoning.

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7.NS.A.2

7.NS.A.3