1MPES2 Order of Operations Ecole Sup©rieure de Commerce de Neuch¢tel Pierre Marchal 28.09.2015 Attribute to:

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To simplify an expression We proceed in this order: To Remember: Parenthesis Exponents Multiplication / Division Addition / Subtraction P E MD AS (L  R)

Text of 1MPES2 Order of Operations Ecole Sup©rieure de Commerce de Neuch¢tel Pierre Marchal...

1MPES2 Order of Operations Ecole Suprieure de Commerce de Neuchtel Pierre Marchal Attribute to: Pierre Marchal (Lyce Jean-Piaget) Objectives of the course By the end of the course, you should be able to: Know the order of operations Know the mnemonic device to remember it Recognize the different types of parenthesis Give the names of the parenthesis Simplify fractions with parenthesis Correctly perform operations including parenthesis To simplify an expression We proceed in this order: To Remember: Parenthesis Exponents Multiplication / Division Addition / Subtraction P E MD AS (L R) EXAMPLES OF APPLICATION P E MD AS P E MD AS 21 Practical exercises Simplify these expressions Please Excuse My Dear Aunt Sally ! P E MD AS Order of Operations - Parenthesis Different types of parenthesis: Always do first ! inner parenthesis ( ) [ ] { } Curved brackets Squared brackets Curly brackets EXAMPLES OF APPLICATION 1 56 Practical exercises Evaluate with respect to the Order of Operations Always inner parenthesis first! 138 3969 Simplify Fractions with Parenthesis When simplifying fractions, always simplify and first ! Then fraction. top bottom simplify EXAMPLES OF APPLICATION TopBottom TopBottom Practical exercises Simplify these expressions -4 9 Simplify top and bottom first, then simply fraction ! By the end of this course You are able to : Know the order of operations Know the mnemonic device to remember it Recognize the different types of parenthesis Give the names of the parenthesis Simplify fractions with parenthesis Correctly perform operations including parenthesis Any question ? THANKS FOR YOUR ATTENTION Enjoy your holidays but please dont forget to learn your lesson !