Module 2 lesson 16

Module 2 Lesson 16.notebook
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Applying the Properties of
Operations to Multiply and Divide
Rational Numbers
Do Now: Lesson 14 Exit Ticket
11/30/15
Module 2, Lesson 16
Homework:
Lesson 16 Problem Set
#1 and 2
Question # 3 is optional
complete as a challenge!

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Exit Ticket from Lesson 14

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-6 x 2 x (-2) x (-5) x (-3)
Example 1: Using the commutative and Associative
Properties to Efficiently Multiply Rational Numbers
a.) Evaluate the expression below.
S.91

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-1 x (-3) x 10 x (-2) x 2
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An Even Number of Negatives ------> Answer will
be Positive
An Odd Number of Negatives ------> Answer will be
Negative.
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Distributive Property:
a(b + c) = ab + ac

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Multiplicative Inverse:
a( ) = 1a
1

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Closing:
How do we determine the sign of expressions that include several
products and quotients?
Name a property of operations, and describe how it is helpful when
multiplying and dividing rational numbers.

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Module 2 lesson 16

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Module 2 lesson 16