This document outlines notes from a math lesson on writing expressions as sums and products. It includes examples of writing expressions using the distributive property and factoring expressions. The lesson covers writing expressions as sums and products, using the distributive property, factoring expressions, and identifying missing values in expressions. For homework, students are assigned problems 1, 3, 4, 5, and 6 from the lesson problem set.

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AIM: Writing products
as sums and sums as
products.
12/18/15Module 3, Lesson 4
HW: Lesson 4 Problem Set
#1, 3, 4, 5, 6
Do Now:
Complete Page S.17

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OR

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OR

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Write equivalent expressions using the distributive property
for a-d, then try to "go backwards" for e-h.
1.) What is happening when you "go backwards"?
2.) What are the terms divided by?
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Write an expression equivalent to 8x + 4.
Question: Would it be incorrect to factor out a 2 instead of
a 4?

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What are the missing values and how do you know?
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Closing:
1.) Describe the process you used to write an expression in
the form of the sum of terms as an equivalent expression in the
form of a product of factors.
3x + 9 = 3(x + 3)

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