Transcript Lesson 12 Symbols of Inclusion – Order of Operations

Lesson 12
Symbols of Inclusion – Order
of Operations
Parentheses, brackets, braces, and bars are
called SYMBOLS OF INCLUSION.
Order of Operations:
P = parentheses
E = exponents
M & D = multiply & divide
A & S = add & subtract
All expressions should be simplified in the
order shown above – working from LEFT to
RIGHT.
Lesson 12 continued
The mnemonic device for remembering
the ORDER OF OPERATIONS is:
“Please excuse my dear Aunt Sally” or
PEMDAS
a) 4 + (3 x 2)
b) 4 + [3 x 2]
c) 4 + {3 x 2}
d) 4 + 3 x 2
Online tutorial:
http://amby.com/educate/ord-op/
Click on begin tutorial.