Cube Roots and Their Properties

This video tutorial explains how to find the cube root of large numbers by identifying patterns in the last digits of cubes. It begins with basic cube values and demonstrates a method to determine the cube root by focusing on the last digit and estimating the first digit. The video includes several practice examples, ranging from five-digit to seven-digit numbers, to help viewers understand and apply the technique effectively.

What is the cube of 5?

• 125

• 100

• 25

• 15

Tags

CCSS.8.EE.A.2

If a number ends in 2, what will be the last digit of its cube?

• 8

• 2

• 6

• 4

Tags

CCSS.8.EE.A.2

What is the first step in finding the cube root of a large number?

• Divide the number by 3

• Focus on the last digit

• Multiply the number by itself

• Subtract 1 from the number

Tags

CCSS.8.EE.A.2

What is the cube root of 17,576?

• 25

• 24

• 26

• 27

Tags

CCSS.8.EE.A.2

Which number's cube ends with 3?

• 5

• 3

• 7

• 9

Tags

CCSS.8.EE.A.2

What is the cube root of 50,653?

• 38

• 36

• 35

• 37

Tags

CCSS.8.EE.A.2

What is the last digit of the cube root of a number ending in 5?

• 5

• 0

• 2

• 8

Tags

CCSS.8.EE.A.2

What is the cube root of 91,125?

• 46

• 45

• 44

• 43

Tags

CCSS.8.EE.A.2

What is the cube root of 328,509?

• 70

• 69

• 68

• 67

Tags

CCSS.8.EE.A.2

What is the cube root of 2,863,288?

• 143

• 142

• 140

• 141

Tags

CCSS.8.EE.A.2