Interesting Math Patterns

When you deal with numbers, there are many different patterns that can be used for “math tricks”.
I always find it interesting when I find a video that deals with these tricks. So here is one I found that deals with the number 9 and its multiplication table.
Check it out:

 

So what do you think? Interesting how the patterns work, right?

Hope you have a great day!

 

 

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