Multiplying by 11 Concepts

The video tutorial demonstrates a quick method to multiply numbers by 11 without using a calculator. It provides examples with numbers 24, 61, and 45, showing how to find the product by adding the digits and placing the sum in the middle. The tutorial ends with a challenge to apply the method to 35 times 11.

What is the middle digit when multiplying 24 by 11?

• 4

• 2

• 8

• 6

When multiplying 61 by 11, what is the sum of the first and last digits?

• 5

• 7

• 8

• 6

What is the product of 61 and 11?

• 721

• 671

• 651

• 611

In the multiplication of 45 by 11, what is the middle digit?

• 10

• 9

• 8

• 7

What is the result of multiplying 35 by 11?

• 385

• 375

• 395

• 365