111,111,111 x 111,111,111 = 12345678987654321 - Hand Calculation

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In this video I do a hand calculation of a neat little pattern which is quite remarkable in that if you have 111,111,111 multiplied by itself you get the pattern 1 to 9 and then all the way back to 1.

Download the notes in my video: https://1drv.ms/b/s!As32ynv0LoaIicUwPcQvnHO42Iu0gA?e=b2Pg7g

View video notes on the Hive blockchain: https://peakd.com/hive-128780/@mes/111111111-x-111111111-12345678987654321-hand-calculation

Related Videos:

Addition and Subtraction by Hand - An in-depth look: http://youtu.be/Tkb7xU-lFWU
Multiplication by Hand - In depth look at the wonderful world of multiplication: http://youtu.be/bUKGh5R_0Sw
Long Division by Hand - An in depth look: http://youtu.be/giBZg5Vqryo .

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