1.2 Order of Operations.notebook 1 August 17, 2017
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Section 1.2Exponents and Order of Operations
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Simplify . . .
Exponents . . .
Evaluate . . .
Substitute . . .
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Exponents . . .
Hint: there are 10 two's
Repeated addition is multiplication!
Is there a shortcut for
Hint: There are 9 two's
Can you rewrite this in an easier way?
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Exponents . . .
Hint: There are 4 two's
We can write this as
So, repeated multiplication is exponents!
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Exponents Practice
Evaluate!
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What is the correct order of operations?
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Examples . . .
P
E
MD
AS
Please
Excuse
My Dear
Aunt Sally
Parenthesis
Exponents
Multiplication/Division
Addition/Subtraction
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Example 11) Simplify: 9 (42 10) + 8
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P/Please/Parenthesis
9 (42 10) + 8
9 (16 10) + 8
9 (6) + 8
We want to perform the operation in red first. We do the exponent first, then subtract
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Example 1 9 (42 10) + 8
11
E/Excuse/Exponents
MD/My Dear/Mult./Div.
AS/Aunt Sally/Add./Sub.9 6 + 8=
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Example 21) Simplify:
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P/Please/Parenthesis
2 (5 3)2 10 2
E/Excuse/Exponents
2 22 10 2
We want to perform the operation in red first.
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Example 2
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MD/My Dear/Mult./Div.
2 4 10 2
AS/Aunt Sally/Add./Sub.8 5=
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You are going to try some problems on your own.
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Your Turn!Evaluate:
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One More!Evaluate:
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Pg 12 #711 odd, 2127 odd, 3640 even
Homework!
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