8th Grade Lesson 2 and Lesson 3 Practice Quiz

Which of the following are rational numbers?

CHOOSE ALL THAT APPLY.

• $\sqrt{\frac{3}{8}}$

• $0.\overline{66}$

• $\sqrt{\frac{1}{4}}$

• $-\frac{12}{5}$

• $\frac{\pi}{3}$

Which of the following are irrational?

• $\sqrt{\frac{4}{16}}$

• $0.\overline{12}$

• $2\pi$

• $-\frac{3}{5}$

Which expressions have a value between 6 and 7?

CHOOSE ALL THAT APPLY.

• $\sqrt{48}$

• $\sqrt{34}$

• $2\pi$

• $\sqrt{42}$

• $3\pi$

How is  $0.\overline{14}$  written as a fraction?

•  $\frac{1}{4}$  

•  $\frac{0.14}{99}$  

•  $\frac{14}{99}$  

•  $\frac{14}{100}$  

What is  $\sqrt{14}$  to the nearest hundreth?

• 3.2

• 3.7

• 2.5

• 4.2

Which of the following are PERFECT squares?

CHOOSE ALL THAT APPLY.

• 25

• 6

• 9

• 2

• 18

Which of the following equations is true?

• $\sqrt{25}=\ 10$

• $8\ =\ \sqrt{64}$

• The cube root of 25 is 125.

• The cube root of 64 equals the sqaure root of 4.

Mason has a CUBE with a volume of 27 in3. What is the length of each side of the cube?

 $Volume\ =\ lwh$  

• 9

• 3

• 12

• 6