Approximate a Non-Perfect Cube Root

The video tutorial explains how to solve a math problem involving cube roots, specifically finding the closest integer value to the cube root of 120. The instructor uses a number line to illustrate the process, identifying that 120 is between the cube roots of 64 and 125, and concludes that the closest integer value is 5.

What is the main goal when estimating the cube root of 120?

• To compare it with the square root of 120

• To find the closest integer value

• To find the exact cube root

• To determine if 120 is a perfect cube

Which of the following numbers is a perfect cube?

• 20

• 8

• 10

• 15

What is the cube root of 27?

• 4

• 5

• 3

• 2

Between which two perfect cubes does 120 lie?

• 27 and 64

• 64 and 125

• 125 and 216

• 8 and 27

What is the closest integer value to the cube root of 120?

• 4

• 5

• 6

• 7