Multiplication Tips for 2 digit number

by Ranganathan 2012-10-01 14:35:28

Example: 26 x 31 (Vertically and Crosswise)

Step1:

2 6
x
3 1
------
------
vcdiagram.jpg

Step 2

= (2 x 3) {(2 x 1) + (6 x 3)} (6 x 1)

= 6 2 0 6

(nb: the "2" of the "20" is carried over to the left hand side).

= 8 0 6

Result = 806

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