Understanding Cube Roots

One of three equal factors of a number whose cube is equal to that number.

• square root

• cube root

• perfect square

• principal cube

What is this sign called?

• ratio

• reciprocal

• radical

• reverse

In this problem we are finding the ____.

• square root

• cube root

• ratio

• principal square root

What is the answer?

• 4

• 2

• 8

• 1

Which number is both a perfect square and a perfect cube?

• 64

• 27

• 81

• 16

Evaluate. 7³

• 313
• 323
• 333
• 343

List the perfect cubes that are between 100 and 600

• 64, 125, 216, 343, 512, 729

• 125, 216, 343, 512

• 125, 343, 512

• 125, 216, 512

What is -9 cubed?

(-9)³

• -729

• 729

• 27

• -27

∛125

• 5
• 4
• 6
• 7

The number 512 is a perfect cube because 512 = 8³.

Which number below is also a perfect cube?

• 125

• 300

• 150

• 256