Division by Nine Techniques

In this video, Akash introduces a simple trick to divide any number by nine quickly. He demonstrates the method with three examples: 143218, 325422, and 7463844, showing how to find the quotient and remainder efficiently. The video concludes with a homework assignment for viewers to practice the trick on their own.

What is the first step in the division by nine trick as introduced in the video?

• Multiply the first digit by nine

• Add the first digit to the next digit

• Subtract nine from the first digit

• Divide the first digit by nine

In the first example, what do you do when the sum of digits exceeds a single digit?

• Carry over the extra digit

• Add the extra digit to the next number

• Ignore the extra digit

• Subtract nine from the sum

What is the quotient of 143218 divided by nine as shown in the video?

• 15913

• 15912

• 15914

• 15915

In the second example, what is the remainder when 325422 is divided by nine?

• 0

• 3

• 1

• 2

What is the final quotient for 325422 divided by nine?

• 36159

• 36160

• 36157

• 36158

In the final example, what is the first sum calculated for the number 7463844?

• 13

• 12

• 10

• 11

What is the quotient of 7463844 divided by nine?

• 829315

• 829316

• 829318

• 829317

What is the remainder when 7463844 is divided by nine?

• 2

• 0

• 1

• 3

What is one of the homework problems given at the end of the video?

• Divide 67509 by nine

• Divide 67508 by nine

• Divide 67510 by nine

• Divide 67511 by nine

Where can viewers find the answers to the homework problems?

• In the video description

• In a separate PDF

• In the next video

• In the comments section