Order_of_Operations.ppt

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ORDER OF OPERATIONS : 

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

PEMDAS : 

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

The “P” and “E” : 

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

The “MD” : 

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

The “AS” : 

The “AS” Represents Add and Subtract Do which ever one of these comes first Work left to right 8 + 7 - 5 + 2

Slide 6: 

1) 5 + (12 – 3) 5 + 9 14 2) 8 – 3 • 2 + 7 8 - 6 + 7 2 + 7 9 3) 39 ÷ (9 + 4) 39 ÷ 13 3

Slide 7: 

10 + 8 ÷ 2 – 6 10 + 4 - 6 14 - 6 8 15 • 103 15 • 1,000 15,000 36 ÷ (1 + 2)2 36 ÷ 32 36 ÷ 9 4 7) 3 • 104 3 • 10,000 30,000

Slide 8: 

(5 – 1)3 ÷ 4 43 ÷ 4 64 ÷ 4 16 14 + 3(7 -2) – 2 • 5 14 + 3 • 5 - 2 • 5 14 + 15 - 2 • 5 14 + 15 – 10 29 – 10 19

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