Everything you should know about Mental Math

What is mental math?   We will jump right to definition but first, let me just ask, what’s 3 + 3 ?   Almost all of you have given the right answer  and most probably within 2 seconds without even touching a pen or paper.   The real question is how? This is because our brain is already been trained to do simple calculations like these. It have already achieved a state where we no longer required special tools to do basic arithmetic calculations. This ability to mathematical calculations quick…

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