Give an example of Partial sums method.

Answer 1

Having no idea what you meant by that, I googled "partial sums method" and found this:

http://www.cheney268.com/Math/Math%201/Elementary%20School/Computational%20Strategies/PartialSumsMethod.htm

I sure hope they don't teach you that !!!!

Answer 2

Ahh -- the New, New Math! Someone has worked hard to make a simple process complicated!

Answer 3

My bet is we are looking at that
"Everyday Mathematics" again.