WHY HALF TIMES HALF IS QUARTER?

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     Let us understand the fractional multiplication visually.  You may feel it is elementary.  But it gives new perspective to fractional multiplication.    First, let us take 4*3.  Let us take a vertical line equally divided into 4 parts and horizontal line into 3 parts.    The area enclosed is the result of 4*3.  There are 12 unit squares.  Hence the answer is 12 units.    Now, how to visualize (1/2)*(1/2).  Take...

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kannan narayanan

blogs from Tiruchirappalli