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Math 7 Operations with Rational Numbers Test Rev ...

0%

0 0 0

Solve the problem.

250 seconds

Evaluate.

0.486

Evaluate.

-6.25

Evaluate.

-3.15 or -3 3/20

Perform the following operation.

-1/15

A diver is located 60 feet below the surface of the water. If the diver ascends 38 feet then descends 15 feet, what integer describes the location of the diver?

-37 feet

Evaluate.

0.15

Perform the following operation.

-95

A submarine is at -125 feet in the ocean. The submarine makes three dives at 50 feet each. At what level is the submarine after the three dives?

The submarine is 275 feet below sea level.

Answer the following problem.

-15 degrees

-57 - (-25)

-32

Perform the following operation.

-2 1/24

Answer the following question.

4.9 feet or 4 9/10 feet

Evaluate: -9.6 ∙ (-1.8)

17.28

A skier descended down a mountain at a rate of 14 feet per second. What was his total change in elevation after 8 seconds?

-112 feet

Find the average of the data set: -7, -3, -9, 0, 21, -2, -14

-2

Perform the following operation.

2 3/5

Answer the question,

19/24 gal

Evaluate.

-8.2 or -8 1/2

Perform the following operation.

-3 1/9

Answer the following question.

27.5 or 27 1/2 cm squared

The temperature in a potter’s kiln dropped 760 degrees in 4 hours. On average, how much did the temperature drop per hour?

-190

Perform the following operation.

1 1/6

Evaluate.

-273.15°C

Perform the following operation.

-1 1/3

-224/14

-16

Perform the following operation.

1/7

Perform the following operation.

-4/5

Solve the following problem.

-7/20 in per day or -0.35 in/day

Perform the following operation.

1 7/18

Evaluate.

5/46

Answer the question.

-21 liters

-56 + 72

16

Evaluate.

0.62 or 31/50