Algebra I Module 1, Topic B, Overview

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In middle school, students applied the properties of operations to add, subtract, factor, and expand expressions (6.EE.3, 6.EE.4, 7.EE.1, 8.EE.1).  Now, in Topic B, students use the structure of expressions to define what it means for two algebraic expressions to be equivalent.  In doing so, they discern that the commutative, associative, and distributive properties help link each of the expressions in the collection together, even if the expressions look very different themselves (A-SSE.2).  They learn the definition of a polynomial expression and build fluency in identifying and generating polynomial expressions as well as adding, subtracting, and multiplying polynomial expressions (A-APR.1).  The Mid-Module Assessment follows Topic B.

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Common Core Learning Standards

CCLS State Standard
A.SSE.1 Interpret expressions that represent a quantity in terms of its context.
A.SSE.2 Use the structure of an expression to identify ways to rewrite it. For example, see x4 – y4 as (x2)...

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