9.3 Order of Operations.

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Presentation transcript:

9.3 Order of Operations

Please Excuse My Dear Aunt Sally P.E.M.D.A.S Please Excuse My Dear Aunt Sally

E Exponents - Find the value of numbers with exponents Parenthesis - (perform operations in parenthesis first) E Exponents - Find the value of numbers with exponents

M/D Multiply OR Divide from LEFT to RIGHT A/S Add OR Subtract from LEFT to RIGHT

Example 1 SHOW ALL YOUR WORK 5 + 18 ÷ 3 2

21 + 3 2 3

6 x 2 3 ÷ 3 + 1

Your Turn Pg. 250 7 + 15 X 9 2 220 – 450 ÷ 3 2

How do you use order of operations to simplify expressions?

P. E. M. D. A. S. 4 x (9 ÷ 3) 2 5 3 + (12 −2) 2

Simplify the expression using Order of operations 8 + 12−8 2 2

Your Turn Pg. 251 5 x (20 ÷4) 2 8 2 − (5+2) 2

How do you use the order of operations to simplify expressions?