how we calculate mentally these numbers faster?

example:

1. 14 x 12 = ...?

method: ( try to visualize this in mind)

i) add 2 to 14 = 16, u write it as 160

ii) multiply 2 by 4 = 8

iii) 160 + 8 = 168

so 14 x 12 = 168

2. 16 x 15 = ...?

method:

i) add 5 to 16 = 21, u write it as 210

ii) multiply 5 by 6 = 30

iii) 210 + 30 = 240

so 16 x 15 = 240.

easy right?

try with other numbers!

is there any limitation for this technique?

all the best for you!!!

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