Learn to quickly multiply by 11

Basically, you write out the two numbers with space and then add the two numbers you are multiplying together for the middle term.

If after adding the two digits together and the number is greater than 1 carry the ten to the left.

Watch the examples of multiplying by 11 to see exactly what to do.

You may also enjoy..

Math Trick Multiplying by 11 Quickly and Easily https://www.youtube.com/watch?v=sLycwWuz4QQ

Times table Trick (Elevens) - Fast Mental Multiplication Math Trick https://www.youtube.com/watch?v=_HrHUUWtsbE

Math Made Easy Playlist

https://www.youtube.com/playlist?list=PLurjkZV1ykGZL9MlRor-Q9CwHTTnV_bSG

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