ORDER OF OPERATIONS - PowerPoint PPT Presentation

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ORDER OF OPERATIONS

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ORDER OF OPERATIONS How to do a math problem with more than one operation in the correct order. PEMDAS Remember the order by the phrase Please Excuse My Dear ... – PowerPoint PPT presentation

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Title: ORDER OF OPERATIONS


1
ORDER OF OPERATIONS
  • How to do a math problem with more
    than one operation in the correct order.

2
PEMDAS
  • Remember the order by the phrase
  • Please
  • Excuse
  • My Dear
  • Aunt Sally

3
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
4
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
5
The AS
  • Represents Add and Subtract
  • Do which ever one of these comes first
  • Work left to right

8 7 - 5 2
6
Lets Try!
  • 5 (12 3)
  • PEMDAS
  • What comes first?
  • (12-3) 9
  • 5914
  • 5(12-3)14!

7
Lets Try!
  • 8 3 2 7
  • PEMDAS! What comes first?
  • 326
  • 8-67
  • 8-62
  • 279
  • 8-3279!

8
Lets Try!
  • 39 (9 4)
  • PEMDAS! What comes first?
  • (94)13
  • 39 13 3
  • 39(94)3

9
You Try!
  • 10 8 2 6

10
You Try!
  • 15 103

11
You Try!
  • 36 (1 2)2

12
You Try!
  • 3 104

13
Lets Check!
  • 10 8 2 6
  • 10 4 - 6
  • 14 - 6
  • 8
  • 15 103
  • 15 1,000
  • 15,000

14
Lets Check
  • 36 (1 2)2
  • 36 32
  • 36 9
  • 4
  • 3 104
  • 3 10,000
  • 30,000
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