Math Magic Trick - Multiplication of 11 (2 digits & 3 digits)

Hello there! I have another Math Magic Trick video for you today! Today, we will be going over multiplication of 11. There's a neat little trick that you can do to speed up your multiplication of 11 that I think is actually pretty cool.

2 digit: You separate the two digits apart leaving a space in the middle. In the middle, put the sum of the two digits and add it all together. If the sum of the two digits is greater than 10, don't forget to add the 1 to the first digit.

3 digit: You take the first and last digit and separate it apart leaving two empty spaces in the middle. In the first middle space, add the first digit and second digit together and put it there. In the second middle space, add the second digit and third digit together and put it there.

Sections in this video:
0:00 Intro to Math Magic Trick - Multiplication of 11
3:07 Shortcut to Multiplication of 11 (2 digits)
4:43 Shortcut to Multiplication of 11 (3 digits)

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