Finding Cube Roots Using Factor Trees

The video tutorial explains how to find the cube roots of 2197 and 2744 without using a calculator. It demonstrates the use of a factor tree to break down numbers into their prime factors and identify groups of three to extract the cube root. The tutorial concludes with a reminder about the importance of kindness.

What is the primary method used in the video to find cube roots without a calculator?

• Using a calculator

• Using a factor tree

• Using a logarithm table

• Using a ruler

Which number is identified as a prime factor in the cube root of 2197?

• 19

• 13

• 17

• 11

What is the cube root of 2197 as calculated in the video?

• 17

• 19

• 13

• 11

What is the first step in finding the cube root of 2744?

• Divide by 3

• Divide by 7

• Check divisibility by 5

• Check divisibility by 2

Which number is repeatedly used as a factor in the cube root of 2744?

• 2

• 3

• 9

• 5

What is the cube root of 2744 as calculated in the video?

• 12

• 14

• 16

• 18

Which two numbers are grouped in threes to find the cube root of 2744?

• 3 and 7

• 2 and 7

• 2 and 5

• 5 and 9

What is the final step in determining the cube root of a number using a factor tree?

• Multiply the groups of three

• Add all the factors

• Divide the factors

• Subtract the factors

What is the key message at the end of the video?

• Math is difficult

• Kindness multiplies kindness

• Always use a calculator

• Practice makes perfect

What should you do after learning a new concept, according to the video?

• Be kind to someone

• Ignore it

• Use it immediately

• Forget about it