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# CCSS.Math.Content.6.EE.A.4 - Identify when two expressions are equivalent (i.e., when the two expressions name the same number regardless of which value is substituted into them). For example, the expressions y + y + y and 3y are equivalent because they name the same number regardless of which number y stands for.

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

Title: CCSS.Math.Content.6.EE.A.4 Identify When Two Expressions Are Equivalent (i.e.,... Expressions and Equations - 6th Grade 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. Equivalent Expression Cards - Each of the expressions in the right column is equivalent to the expressions on the row.
2. Equivalent Expressions - Look at twelve pairs of expressions and decide if they are equivalent or not.
3. Equivalent Expressions - Make the appropriate changes in the tiles as you work through each of the steps in the solution.
4. Equivalent Expressions - Pre-Algebra lesson plan with several attached documents
5. Equivalent Expressions - Set of video lessons explaining this standard
6. Equivalent Expressions - Distributive Property - Explore the relationship between two different formulas, a(b+c) and a(b) + c.
7. How to Make Equivalent Expressions Using Division - Make equivalent expressions using division with help from an MIT Masters Candidate in Aero/Astro Engineering in this free video clip.
8. Simplifying Expressions - Three types of ways to simplify equations
9. Word Problems: Equivalent Expressions - A how-to explanation from Hot Math tutors

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