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
Important

• If there is a number outside of the parenthesis,
  ALWAYS solve inside the parenthesis first then
  multiply your answer by the number outside of the
  parenthesis.
• Ex 6(4 5)
• 6 x 9
• 54

7
Practice

• Solve 5( 9 - 4)
• 5 x 5
• 25
• Solve 7(20 4)
• 7 x 5
• 35

8
Practice PE MD AS

(left to right)

• 1) 5 (12 3)
• 5 9
• 14

9
Practice PE MD AS

(left to right)

• 2) 8 3 2 7
• 8 - 6 7
• 2 7
  9

10
Practice PE MD AS
(left to
right)

• 3) 4 2(7 3 )
• 4 2 x 10
• 2 x 10
• 20

11
Practice PE MD AS
(left
to right)

• 4) 10 8 2 6
• 10 4 - 6
• 14 - 6
• 8

12
Practice PE MD AS
(left to
right)

• 5) 15 10²
• 15 100
• 1,500

13
Practice PE MD AS
(left
to right)

• 6) 7 2 (4 3)
• 7 2 x 7
• 7 14
• 21

14
Practice PE MD AS

(left to right)

• 7) 5 - 3 ( 8 x 2 )
• 5 - 3 16
• 2 16
• 18

15
Now its your turn!

• Remember your phrase PEMDAS
• Please ( )
• Excuse ²
• My Dear x (left to right)
• Aunt Sally - (left to right)

16
 PEMDAS Raphttp//www.teachertube.com/viewVideo
.php?video_id79967titlePEMDAS_Rap