notes

1. Module 3 Lesson 1.notebook
1
December 15, 2015
Module 3, Lesson 1
HW:
• Lesson 1 Problem Set
#1-5, 11-14, 17, 18
Do Now:
Distribute new module packet.
AIM: Generating
Equivalent Expressions
12/15/15

2. Module 3 Lesson 1.notebook
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December 15, 2015
S.4

3. Module 3 Lesson 1.notebook
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December 15, 2015
S.4

4. Module 3 Lesson 1.notebook
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December 15, 2015
Anticipatory Set
Philipe is organizing the storerooms at an
athletic club. He finds 3 cases and 2 cans
of tennis balls in one room and 5 cases and
6 cans of tennis balls in another room.
How many cases and cans does he have?

5. Module 3 Lesson 1.notebook
5
December 15, 2015
Anticipatory Set
Philipe is organizing the storerooms at an
athletic club. He finds 3 cases and 2 cans
of tennis balls in one room and 5 cases and
6 cans of tennis balls in another room.
You can also show this situation with
Algebra Tiles.
x 1
3x + 2 + 5x + 6
QUESTION: Why does Philipe need to use two
different types of algebra tiles?
1
1
xx
x
x
x
x
x x
1
1
1
1
1
1

6. Module 3 Lesson 1.notebook
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December 15, 2015
1.) 4x + 2x 2.) 2x + 2 + 3x
x 1
x
x
x
x
x
x
x
x
1
1
x
x
x

7. Module 3 Lesson 1.notebook
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December 15, 2015
x 1
3.) x + 1 + 2x + 4 4.) 3x + 4 + 3x + 2
x
1
x
x1 1
1
1

8. Module 3 Lesson 1.notebook
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December 15, 2015
x
1 ­1
­x
a.) -4x + 1 + 2x - 4
­x
­x
­x
­x1
xx ­1
­1
­1
­1

9. Module 3 Lesson 1.notebook
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December 15, 2015
x
1 ­1
­x
b.) -3 - 5x - 2x + 4
­1
­1
­1
­x
­x
­x
­x
­x
­x
­x
1
1
1
1

10. Module 3 Lesson 1.notebook
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December 15, 2015
S.2

11. Module 3 Lesson 1.notebook
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x 1
S.3
x x xx
xx

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S.3

13. Module 3 Lesson 1.notebook
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December 15, 2015
S.3

14. Module 3 Lesson 1.notebook
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December 15, 2015
Problem Set S.5

15. Module 3 Lesson 1.notebook
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December 15, 2015
Problem Set S.6

16. Module 3 Lesson 1.notebook
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December 15, 2015
Closing:
1.) We found that we can use any order, any grouping of terms in a
sum, or of factors in a product. Why?
2.) Can we use any order, any grouping when subtracting
expressions? Explain.
3.) Why can't we use any order, any grouping in addition and
multiplication at the same time?