Free Printable 7.NS.A.2.abc Review

1.

Jack’s pond lost $\frac{3}{8}$ of an inch of water each day for 5 days. Which of the following expressions could be used to represent the change in the water level?

a)

-1( $-\frac{3}{8}$ x 5)

b)

$-\frac{3}{8}$ x (-5)

c)

$\frac{3}{8}$ x 5

d)

$-\frac{3}{8}$ x 5

2.

Evaluate: (-0.3)(-2)(-0.42)

a)

0.252

b)

-0.252

c)

2.52

d)

-2.52

3.

Evaluate $-24.92\ \div\ \left(-7\right)$

a)

0.356

b)

3.56

c)

-0.356

d)

-3.56

4.

Evaluate: (-8)(-4)(3)

a)

-96

b)

96

c)

-72

d)

72

5.

Evaluate $\left(\frac{1}{5}\right)\left(-\frac{5}{8}\right)$

a)

$\frac{8}{25}$

b)

$-\frac{8}{25}$

c)

$\frac{1}{8}$

d)

$-\frac{1}{8}$

6.

Sam won $8\ \frac{1}{2}$ lbs of candy and shared it evenly with 4 of her friends. Which of the expressions below could be used to determine how much candy each person received? Select the two that apply

a)

$\frac{8\frac{1}{2}}{5}$

b)

$\frac{5}{8\frac{1}{2}}$

c)

$8\frac{1}{2}\div5$

d)

$5\div8\frac{1}{2}$

7.

A water tower has a leak that results in a loss of 42.5 gallons of water every 5 days. What is the average change in water volume each day?

(a)

8.

Which expressions are equivalent to $\frac{-2}{5}$ ?

a)

$\frac{2}{5}$

b)

$-\frac{2}{5}$

c)

$\frac{-2}{-5}$

d)

$\frac{2}{-5}$

e)

$-\left(\frac{2}{5}\right)$

9.

A bat was resting on a rock in a cave at a depth of 15 feet below ground level. The bat moved its position on the cave 3 feet deeper into the cave each hour for 4 consecutive hours. What is the final depth of the bat in relation to ground level?

a)

18 feet below ground level

b)

18 feet above ground level

c)

27 feet below ground level

d)

27 feet above ground level

10.

Evaluate 7.8(-5)

(a)

11.

The temperature rose from -18 degrees to 9 degrees over a three hour period. What is the average hourly change in temperature, in degrees, for the three hour time frame?

a)

-9 degrees

b)

9 degrees

c)

-27 degrees

d)

27 degrees

12.

$\left(-2\frac{1}{2}\div-1\frac{1}{4}\right)$

Evaluate:

(a)

7.NS.A.2.abc Review

Total questions: 12

Worksheet time: 3600secs

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