60 Square Tablecloth

How many times do you find it difficult to get a hold of square of a number which will be one more or one significantly less than the known quantity? For example you know the squares of 30, 40, 50, 60 an such like. but the problem needs square of 31 or 61 then exactly how could you get it done? Probably you would do multiplication. But are you conscious that there is certainly a better way making use of which you can do it mentally. You don’t need any pen and paper to do it. With little to no practicw you can be fast adequate to amaze friends. Friends would start asking and mobbing you for strategy. You’ll or might not amuse them. I would ike to demonstrate the method.

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