1. THE ORDER OF OPERATIONS 1-2

2. VOCABULARY… 1.Order of Operations – a. Work inside grouping symbols ( ) or [ ] b. Simplify any terms with exponents 3 2 c. Multiply and Divide in order from left to right d. Add and Subtract in order from left to right Simplify – to get an expression down to its lowest terms Lowest Terms – having the least amount of numbers or variables possible

3. ORDER OF OPERATIONS Please Excuse My Dear Aunt Sally P – Parenthesis E – Exponents M, D – Multiply or Divide A, S – Add or Subtract

4. EXAMPLES… 1.) 4 + 15 ÷ 3  First Divide 4 + 5  Then Add 9

5. EXAMPLES… 2.) 3 5 – 8 ÷ 4 + 6 15 – 8 ÷ 4 + 6 15 – 2 + 6 13 + 6 19

6. EXAMPLES… 3.) 10 ÷ [ 9 – (2 2) ] 10 ÷ [ 9 – 4 ] 10 ÷ 5 2