Multiplying Two-Digit Numbers by 11

This video tutorial from MooMoo Math and Science demonstrates a simple trick for multiplying numbers by 11. The instructor provides step-by-step examples, starting with basic cases and moving to more complex ones involving carry over. The video concludes with a call to action to subscribe for more math and science content.

What is the result of multiplying 25 by 11 using the trick shown in the video?

• 275

• 250

• 295

• 225

When using the trick for 32 x 11, what is the middle digit in the result?

• 2

• 3

• 5

• 6

In the example of 87 x 11, what adjustment is made to handle the sum of 7 and 8?

• Subtract 1 from the 8

• Leave it as 15

• Add 1 to the 7

• Carry over 1 to the 8

What is the final result of 87 x 11 after applying the trick?

• 1057

• 985

• 957

• 875

For 89 x 11, what is the final result after adjusting for the sum of 8 and 9?

• 997

• 979

• 989

• 899

What is the key step in the trick for multiplying any two-digit number by 11?

• Multiply each digit by 11

• Add the digits and place the sum in the middle

• Divide the number by 11

• Subtract the digits and place the difference in the middle