Math Tricks 1...squared numbers

Welcome to a new world of advanced mathematical tricks that can save you alot of time in Math Exams. Okay I have shown you how to do most of the question types on the S.A.T. , it is time for me how to minimize your calculation time. Most times you made an error in simple calculation using a calculator and you haven't realise especially in the questions that have no multiple choices. Today i will show you how to calculate squared numbers close to 100 mentally...this is to stop relying on the calculator to often.