This educational video tutorial will show you how to compute mathematical problems in your head. You will see some techniques to do some maths problems in your mind. Learn to do algebraic computations in the head without having to look at a calculator. Become a human calculator!
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How To: Remember "greater than" & "less than" symbols

How To: Find the Percent Given Two Numbers

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Do long division without a calculator

How To: Find a number given Its percent

How To: Spend Money on a Graphing Calculator? Nah—Just Use This WebBased TI Emulator

How To: Figure out the domain & range of a piecewise function

How To: Find the area of a circle when you know the diameter

How To: Calculate Faster Than a Calculator

How To: Find the slope of a line given 2 points with fractions

How To: Write a slopeintercept equation given an XY table

How To: Find a missing coordinate given: coordinate & equation

How To: Isolate a variable

How To: Find the area of a parallelogram using geometry

How To: Solve for the missing ratios or proportions

How To: Multiply & Divide Numbers (Basic Elementary Math)

How To: Find a central angle

How To: Solve angle problems in geometry

How To: Write remaining parts as a fraction in basic mathematics

How To: Find the formula of a piecewise function given a graph
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