Free Printable Unit 1 Assessment Review 8th Grade Math

1.

Which point best indicates the location of

\sqrt{50}

on the number line below?

a)

point A

b)

point B

c)

point C

d)

point D

2.

Which of the following is the best estimate of the square root of 75?

a)

a number between 7 and 8

b)

a number between 8 and 9

c)

a number between 9 and 10

d)

a number between 10 and 11

3.

Simplify:

\frac{2^6\cdot3^{-2}\cdot4^{-3}}{2^{-4}\cdot3^3\cdot4^6}

a)

$\frac{2^2}{3^5\cdot4^9}$

b)

$\frac{2^{10}}{3^5\cdot4^9}$

c)

$\frac{2^2}{3^5\cdot4^3}$

d)

$2^{-24}\cdot3^{-6}\cdot4^{-18}$

4.

Simplify the following expression.

\left(3^3\right)\left(3^1\right)\left(3^0\right)

a)

9

b)

27

c)

81

d)

0

5.

$\sqrt{\frac{16}{25}}$

a)

$\frac{4}{25}$

b)

$\frac{4}{5}$

c)

$\frac{64}{225}$

d)

$\frac{16}{5}$

6.

What is the value of

Cube\ root\sqrt{64}

a)

$8$

b)

$21.\overline{3}$

c)

$4$

d)

$6.4$

7.

Solve for x.

x^2=12

a)

$x=6,\ -6$

b)

$x=\sqrt{12},-\sqrt{12}$

c)

$x=\sqrt{14}$

d)

$x=6$

8.

Which expression shows the product of

2.1\times10^5

and

1.3\ \times10^4

a)

$2.73\times10^9$

b)

$2.73\times10^{10}$

c)

$2.73\times10^{20}$

d)

$2.73\times10^{21}$

9.

A country in Europe has a population of $5.4\ \times\ 10^5$ people. A neighboring country has a population of $2.6\times10^6$ people. What is the total population of the two countries?

a)

$3.14\times10^6$

b)

$8.0\times10^6$

c)

$8.0\times10^{11}$

d)

$3.14\times10^{11}$

10.

Compute: $10^2\ -\left(11-4\right)^2\ +2$

a)

$-50$

b)

$-5$

c)

$53$

d)

$121$

Unit 1 Assessment Review 8th Grade Math

Total questions: 10

Worksheet time: 38mins

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