1mpes2 order of operations ecole supérieure de commerce de neuchâtel pierre marchal 28.09.2015 ...
DESCRIPTION
To simplify an expression We proceed in this order: To Remember: Parenthesis Exponents Multiplication / Division Addition / Subtraction P E MD AS (L R)TRANSCRIPT
1MPES2Order of Operations
Ecole Supérieure de Commerce de Neuchâtel
Pierre Marchal28.09.2015
http://creativecommons.org/licences/by/3.0/Attribute to: Pierre Marchal (Lycée 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:1. 2. 3. 4.
• To Remember:
ParenthesisExponentsMultiplication / DivisionAddition / Subtraction
PEMDAS
(L R)(L R)
EXAMPLES OF APPLICATION
PEMDAS
PEMDAS
21
Practical exercises
Simplify these expressions
Please Excuse My Dear Aunt Sally !
PEMDAS
Order of Operations - Parenthesis
• Different types of parenthesis:
• Always do first !inner parenthesis
( )[ ]
{ }
Curved bracketsSquared bracketsCurly brackets
EXAMPLES OF APPLICATION
1
56
Practical exercises
Evaluate with respect to the Order of Operations
Always inner parenthesis first!
…
138…3’969
Simplify Fractions with Parenthesis
• When simplifying fractions, always simplify and first !
• Then fraction.
top bottom
simplify
EXAMPLES OF APPLICATION
Top Bottom
Top Bottom
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 ATTENTIONEnjoy your holidays but please don’t forget to learn your lesson !