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: Find the area of a triangle when given 2 sides & angle

How To: Do long division without a calculator

How To: Remember "greater than" & "less than" symbols

How To: Find the standard deviation with the ZScore formula

How To: Calculate Faster Than a Calculator

How To: Find a number given Its percent

How To: Divide small numbers by big numbers

How To: Calculate the height and volume of a pyramid

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

How To: Find a missing side of a triangle, similar to another

How To: Find the area of a circle using squares

How To: Factor quadratic expressions using trial and error

How To: Understand the properties of a square in Geometry

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

How To: Calculate percent composition for chemistry

How To: Subtract a mixed number from a proper fraction in basic math

How To: Find the Percent Given Two Numbers

How To: Convert Fahrenheit to Celsius with a formula

How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

How To: Find the coordinate of a point
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