2Vocabulary… Order Of Operations Definition: Rules for evaluating an expression involving more than one operation.Sentence: Mathematicians have established an order of operations to evaluate an expression involving more than one operation.
3Basics… Rule 1: First perform any calculations inside parentheses. Rule 2: Next perform all multiplications and divisions, working from left to right.Rule 3: Lastly, perform all additions and subtractions, working from left to right
4Just A Way To Remember…. P = Please E = Excuse M = My D = Dear A = AuntS = Sally
5Parenthesis Always do parenthesis first. If there isn’t any parenthesis skip it .Example… (56+23)
6ExponentsThe second step you must do is exponents !Example 5² =25
7Multiplication and Division. Do multiplication and division from left to right.Example : (4+6)6x9÷5
8Addition & Subtraction Do addition and subtraction from left to right