# The Order of Operations Solve: Objective: You will be able evaluate expressions using the order of operations.

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The Order of Operations Solve: Objective: You will be able evaluate expressions using the order of operations.

P Parenthesis or other grouping symbols (Brackets, Braces, and fractions bars) E Exponents M or D Multiplication OR Division, whichever comes first from left to right A or S Addition OR subtractions, whichever comes first from left to right We use the acronym PEMDAS to help us remember the order operations

Example 1 :

Example 2:

Example 3:

Example 4: Evaluate:

Example 5: Evaluate: A fraction bar is a grouping symbol and tells us to DIVIDE 1)Simplify then entire numerator (top of fraction) using PEMDAS 2) Simplify the entire denominator (bottom of fraction) using PEMDAS 3) Divide

Try: 1) 2) 3) 4) 5) 6)

Evaluating Algebraic Expressions 1) Substitute values 2) Simplify using the order of operations Example 6 : Evaluate if x = 8 and y = 2

Example 7: Evaluate for m= -5, n = 6, and p= - 3 a) b) c)d)

Using Formulas Area of a trapezoid = Find the area of the trapezoid below 16 in 52 in 10 in

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