1-2 Order of Operations

Order of Operations:
   Step 1: Evaluate expressions inside grouping symbols.
   Step 2: Evaluate all powers.
   Step 3: Do al lmultiplications and/or divisions from left to right
   Step 4: Do all additions and/or subtractions from left to right.

Please Excuse My Dear Aunt Sally

Parentheses
Exponents
Multiplication
Division
Addition
Subtraction

(   ) ⇐ parentheses
[   ] ⇐ brackets
{   } ⇐ braces
*These are used to indicate groupings to clarify expressions*

Example 1: Evaluate each expression
 A. 6 + 4 - 2 * 3




 B. 48 / 2³ + 5




 C. (8-3) - 3(3 + 2)




 D. 4[12 / (6-2)]²




 E. (2^5 - 6*2)/(3³ - 5*3 - 2)





Example 2: Evaluate 2(x² - y) + z² if x = 4, y = 3, and z = 2.







Homework: p13 1, 3, 16 � 26, 30 � 35, 54, 56, 60/p>

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