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# CCSS.Math.Content.HSA.SSE.A.2 - Use the structure of an expression to identify ways to rewrite it. For example, see x4 - y4 as (x2)2 - (y2)2, thus recognizing it as a difference of squares that can be factored as (x2 - y2)(x2 + y2).

Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.HSA.SSE.A.2 Use The Structure Of An Expression To Identify Ways To Rewrite... Seeing Structure in Expressions - High School Algebra Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

(Page last edited 10/08/2017)

1. Algebra I: Rational Expressions - Rational Expressions
2. Algebra I: Rational Expressions - simplifying of rational expressions
3. Evaluating exponential expressions - Evaluating exponential expressions
4. Exponents - Simplify expressions involving exponents
5. Factoring - Factor out a monomial
6. Fractional Exponent Expressions - Fractional Exponent Expressions
7. Fractional Exponent Expressions (2) - Second lesson on Fractional Exponent Expressions
8. Fractional Exponent Expressions (3) - Third lesson on Fractional Exponent Expressions
9. Monomials - Powers of monomials
10. Properties - Simplify variable expressions using properties
12. Radical functions and expressions - Simplify radical expressions with variables II
13. Radical functions and expressions - Simplify radical expressions with variables I
14. Rational exponents - Simplify expressions involving rational exponents II
15. Rational exponents - Simplify expressions involving rational exponents I
16. Rational functions and expressions - Simplify rational expressions
17. Simplifying Expressions - Simplifying Expressions with Exponents
18. Simplifying Expressions - binomial simplification
19. Simplifying Expressions (2) - Second lesson on Simplifying Expressions with Exponents
20. Simplifying Expressions (3) - Third lesson on Simplifying Expressions with Exponents
21. Structure in Expressions - Worksheet 2 - Answer Key - An answer key is provided in PDF form showing answers for the PDF worksheet that tests the student's knowledge of using the structure of an expression to identify ways to rewrite it.
22. Structure in Expressions - Worksheet 2 - Answer Key - 10 problems are presented in a PDF worksheet to test the student's knowledge of using the structure of an expression to identify ways to rewrite it. 5 problems ask to factor using GCF techniques and 5 problems ask to factor a given quadratic.
23. Use the Structure of an Expression to Identify Ways to Rewrite It - Writing mathematical expressions in different ways is incredibly important, especially in algebra. It's not about redundancy; it's about simplicity. Students should be able to convert mathematical expressions to alternative but equivalent forms by factoring.
24. Variable expressions - Simplify variable expressions using properties
25. Variable expressions and equations - Simplify variable expressions involving like terms and the distributive property Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles. 