THE ORDER OF OPERATIONS 1-2
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
ORDER OF OPERATIONS Please Excuse My Dear Aunt Sally P – Parenthesis E – Exponents M, D – Multiply or Divide A, S – Add or Subtract
EXAMPLES… 1.) ÷ 3 First Divide Then Add 9
EXAMPLES… 2.) 3 5 – 8 ÷ – 8 ÷ –
EXAMPLES… 3.) 10 ÷ [ 9 – (2 2) ] 10 ÷ [ 9 – 4 ] 10 ÷ 5 2