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The Order of Operations

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by

Alexandra Mendez

on 30 September 2015

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Transcript of The Order of Operations

P
The Order of Operations
The steps to solving equations
Parentheses
All grouping steps come first!
Symbols:
( ) [ ] { }
Things to Remember:
Always start in the middle!
ex: {4+[40-20 x (10 + 3) ] -5}
Parentheses disappear with only one number inside
ex: (-2) = -2 (8) = 8
E

M/D
A/S
Symbols:

Exponents
Things to Remember:

BASE
to the
EXPONENT
power

Example: Three to the fifth power
Exceptions
:
2nd power= Squared
ex: 3 = three squared
3rd power= Cubed
ex: 4 = four cubed
3
5
Special Cases:
5 = 5 Any_Number = Itself

6 =1 Any_Number = 1


1 1


0 0


6
10
Base
Exponent
Symbols:
x 3(4) *
Symbols:
÷ /
Multiplication and Division
.
_
_
_
Things to Remember:
Multiply or Divide from LEFT to RIGHT
Ex: 2(10) ÷ 4
20 ÷ 4
5
Ex 2: 35 ÷ 5 x 2
7 x 2
14
Addition and Subtraction
Things to Remember:
Add or Subtract from LEFT to RIGHT
Ex: 2 + 10 - 3
12 - 3
9
Ex 2: 20 - 5 + 1
15 + 1
16
Symbols:
+ More, Gain, Increase
Symbols:
- Less, Take Away, Decrease
2


3

Full transcript