Unit 4 lesson 4
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Transcript of Unit 4 lesson 4
![Page 1: Unit 4 lesson 4](https://reader030.fdocuments.net/reader030/viewer/2022012400/55a45d001a28ab876f8b4594/html5/thumbnails/1.jpg)
Unit 4 Lesson 4Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
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Let’s review our vocabulary:
• Variable – A letter or symbol that represents a number
• Term-
• Coefficient
• Constant
• Pattern
• Distributive property
• Commutative property
• Expression
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Let’s review the Order of Operations ONE MORE TIME!
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
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4.4
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Distributive Property
http://prezi.com/mqus64kvbhf2/distributive-and-commutative-property/
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
![Page 8: Unit 4 lesson 4](https://reader030.fdocuments.net/reader030/viewer/2022012400/55a45d001a28ab876f8b4594/html5/thumbnails/8.jpg)
7(9+2)=63+14 or 7(11)
Is it okay to do this?
7(9+2)=14+63Turn and
Talk!
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
![Page 9: Unit 4 lesson 4](https://reader030.fdocuments.net/reader030/viewer/2022012400/55a45d001a28ab876f8b4594/html5/thumbnails/9.jpg)
If we get the same answer then it’s totally okay!
It is because of a certain property that we can move the numbers around when multiplying or adding while using the Distributive Property and it will still give us the same answer!
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
![Page 10: Unit 4 lesson 4](https://reader030.fdocuments.net/reader030/viewer/2022012400/55a45d001a28ab876f8b4594/html5/thumbnails/10.jpg)
Let’s look at another equation! First let’s solve them then state the property that was used!
8(3-2)= 24 – 16Answer: 8
8(3-2)= 8(1)Answer: 8
8(3-2)= -16 + 24Answer: 8
Distributive Property
Distributive Property
The Distributive Property including the use of the Commutative Property
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
![Page 11: Unit 4 lesson 4](https://reader030.fdocuments.net/reader030/viewer/2022012400/55a45d001a28ab876f8b4594/html5/thumbnails/11.jpg)
Now you try! Use the commutative property to write the equation that uses the distributive property in a different way!
7(9 + 4) = 63 + 28 7(9+4) = 28 + 63
8(7-2) = 56 - 168(7-2)= -16 + 56
-4(9+3) = -36 +(-12)-4(9+3)= -12 + (-36)
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
![Page 12: Unit 4 lesson 4](https://reader030.fdocuments.net/reader030/viewer/2022012400/55a45d001a28ab876f8b4594/html5/thumbnails/12.jpg)
Are these two equations the same?
7(5-3)= 35-21 7(5-3)= -21+35
Yes, they are because the commutative property allows you to multiply or add numbers in any order and get the same answer!
14 14
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
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Let’s take it one step further…
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a(8+2)= 16 + 4,What’s the value of a?
4
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a(8+2)= 16 + 4,Awe that’s easy, it’s… it’s… it’s… well that’s some question you
got there Frank!
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2a(8+2)= 16 + 4
What times 8will give me +16and what times 2 will give me +4?
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
![Page 18: Unit 4 lesson 4](https://reader030.fdocuments.net/reader030/viewer/2022012400/55a45d001a28ab876f8b4594/html5/thumbnails/18.jpg)
Now you try one!
j(6+4)=18 + 12
j=3
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
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Man, now this is critical thinking!
g(3 +4)= 9 +
g(3a +4)= 9a +
g(3a +4)= 9a+ b
Distributive Property
3(3a +4)= 9a + 12
a=3b=12
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
![Page 20: Unit 4 lesson 4](https://reader030.fdocuments.net/reader030/viewer/2022012400/55a45d001a28ab876f8b4594/html5/thumbnails/20.jpg)
Let’s wrap this all up!
You and your partner use a whiteboard to write this equation using the commutative property
7(3+2)= 21 + 14
You and your partner solve for the following variables
h(2x - 4) = -4h + i
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That’s all folks!
Now let’s do some
independent
practice!
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• Work independently to complete the in-class work on Evaluating Expressions
• Your teacher will monitor your progress while you work
• When you finish, please work on Math Minutes, Complete corrected homework, or Read your choice book
• Do Not raise your hand. Look at your notes for help or skip the question and work on a different question until your teacher comes to your desk.
In-Class assignment…
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property
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Exit Ticket
• What is something that I learned in today’s lesson that I didn’t know how to do that I now know how to do?
• I wonder…
Objective: Today our goal is to use multiple properties to solve equations and solve for missing values using the Distributive and Commutative Property