Uploaded by Franco Maldonado Ruiseco

Note 1

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4/12/2021
Multiplying Using Area Models
Extend: Distributive Property and Associative Property of Multiplication,
Associative Property of Addition
 12 x 3 = 36
Everyone Has
Multiplied
Quantities
 Who Has Used Multiplication
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4/12/2021
Here
3 x 10 = 30
This represents the Product 3 x 10 = 30 and it also
Recall
Multiplication can
Be Represented
By Area
Represents the Area of the 3 by 10 rectangle.
 7 x 34
This Can Be used
to Calculate More
Difficult Problems
34
7
STOP!!
Complete this Problem
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4/12/2021
 Did You get: 238
 You Are Correct
7 x 34 =
 How long did it Take?
7 x 34
( 30 + 4 )
Lets take the 34
and Rewrite it
as a Sum
7
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4/12/2021
Making Use of the
Distributive
Property of
Multiplication
7 x ( 30 + 4 )
( 7 x 30 ) + ( 7 x 4 )
Then Easily
Simple Addition
210 + 28
238
 11 x 35
 Rewrite the Difficult Number
 11 x ( 30 + 5 )
Quick Review
 Distributive Property of Multiplication
 ( 11 x 30 ) + ( 11 x 5 )
 ( 330 ) + ( 55 )
Add
 ( 385 )
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4/12/2021
4 x 24
4 x ( 20 + 4 )
Class Exercise
( 80 ) + ( 16 )
96
How long did it Take You Guys
This Time?
More Simple!!
4 x 24
4 x ( 20 + 4 )
( 4 x 20 ) + ( 4 x 4 )
Class Exercise
( 80 ) + ( 16 )
96
How did you Guys Do?
Was it More Simple?
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4/12/2021
Okay So Lets
Check For
Understanding
6
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