This short video shows a very easy trick to multiply 2-digit numbers by 11. It also shows how to multiply 3-digit numbers by 11. This is slightly more difficult, but with some practice it becomes easy as well.
Showing posts with label 11. Show all posts
Showing posts with label 11. Show all posts
Tuesday, April 10, 2012
Multiplying by 11, mentally
This short video shows a very easy trick to multiply 2-digit numbers by 11. It also shows how to multiply 3-digit numbers by 11. This is slightly more difficult, but with some practice it becomes easy as well.
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