Warm Up
Put the expression in expanded form using the  distributive property.
1.  3(x + ­8) 2.  2(4x + 5)
3.  (2x ­ 9)3 4.  5y(3x ­ 4)
Put the expression in factored form using the  distributive property.
5.  3x + 15 6.  14x
2
­ 21x
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Equivalent Expressions
Mathematical phrases  that give the same
2k + 6 = 2(K + 3) results for every value of  a variable.
3r + 2 = 2 + 3r
Vocab
Book
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Work in small groups to complete #1-8 multiply then add: add then multiply:
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Investigation 1.3.2
Did we meet our objectives?
Content Objective:
WWBAT see that there are two different ways to write an  expression.
Language Objective:
WWBAT explain why a situation is represented by an  expression.
Assignments 1.3B page 63  mild/spicy#4a, 5­9, & 29
Due______________
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Expand (Expanded Form)
The removing of  the distributive property.
distributing papers passing out Halloween candy
Vocab
Book
= 16x + 32 expanded form
Factor (Factored Form) Vocab
Book
The putting in of  parentheses when using the distributive  property.
factoring 6 is 6 = 2(3) factoring 5x + 10 is
5x + 10 =5(1x + 2) factored form everyone returning the
same thing
Recall
Factors ­2 numbers  that are multiplied
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