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Published byBryant Clevenger Modified over 2 years ago

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

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PEMDAS Remember the order by the phrase Remember the order by the phrase Please Please Excuse Excuse My Dear My Dear Aunt Sally Aunt Sally

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The “P” and “E” The “P” stands for items in parenthesis The “P” stands for items in parenthesis Do all items in the parenthesis first Do all items in the parenthesis first The “E” stands for Exponents Do anything that has a exponent (power) 8282

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The “MD” Represents Multiply and Divide Represents Multiply and Divide Do which ever one of these comes first in the problem 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” Represents Add and Subtract Represents Add and Subtract Do which ever one of these comes first Do which ever one of these comes first Work left to right Work left to right

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Let’s Do a Few Together… 50-(15+9) 50-(15+9) 4(11+7)-9×8 4(11+7)-9×8 2(5²+(36÷6)) 2(5²+(36÷6)) 5-6²+4³-(10/5)×2 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: Insert grouping symbols to make the number sentence true: 7 X 8 – = 17 7 X 8 – = 17

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