How mentally multiply ANY two numbers under 100 easily

How do you multiply any two numbers in your head?
There are three main methods mathemagicians use - this is the mot commonly used one - the addition method.
Hope you like it!

Here is THE mental multiplication lesson playlist - progressing you through your mental multiplication.
https://www.youtube.com/playli....st?list=PLjbxBzUM6SL

Here is that link how to multiply questions like 3 x 54 instantly
https://youtu.be/yZULgerBRms

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