Multiplication techniques

If you click on the lick you will learn different technique to multiply bigger numbers.

2 digit numbers by 1 digit number
https://www.youtube.com/watch?v=SfxULALs_u8

Multiply or divide by 10
https://www.youtube.com/watch?v=Ehd3cgRBvl0

3 digit numbers by 1 digit number
https://www.youtube.com/watch?v=wJYJhukiBqg

https://www.youtube.com/watch?v=EUvOyz2Ysq0