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ORDER OF OPERATIONS How to do a math problem with more than one operation in the correct order.

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**The Order of Operations**

The order in which mathematicians perform math problems. Exponents Parenthesis – working inward outward Multiply or Divide – Left to Right Add or Subtract – Left to Right

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**PEMDAS Remember the order by the phrase Please Excuse My Dear**

Aunt Sally

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**(2 + 3) 82 The “P” and “E” The “P” stands for items in parenthesis**

Do all items in the parenthesis first (2 + 3) The “E” stands for Exponents Do anything that has a exponent (power) 82

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**The “MD” Represents Multiply and Divide**

Do which ever one of these comes first in the problem Work these two operations from left to right

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**The “AS” 8 + 7 - 5 + 2 Represents Add and Subtract**

Do which ever one of these comes first Work left to right

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**Let’s Do a Few Together…**

50-(15+9) 4(11+7)-9×8 2(5²+(36÷6)) 5-6²+4³-(10/5)×2

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On your own…

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**One more… Insert grouping symbols to make the number sentence true:**

7 X 8 – = 17

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Section 1.3 Order of Operations. Evaluate 7 + 4 3. Is your answer 33 or 19? You can get 2 different answers depending on which operation you did first.

Section 1.3 Order of Operations. Evaluate 7 + 4 3. Is your answer 33 or 19? You can get 2 different answers depending on which operation you did first.

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