6th Grade, Lesson 60: How do we know if two expressions are equivalent?
You CAN determine whether expressions are equivalent by applying properties (distributive and
commutative) to simplify and compare and use substitution to evaluate algebraic expressions to determine equivalence.
Criteria for Success
1. Consistently determining whether a series of expressions are equivalent or nonequivalent.
2. Successfully apply principles of the commutative and distributive property to simplify algebraic
expressions.
3. Use substitution to verify whether a set of expressions are equivalent or not equivalent. Build on prior work with evaluation expressions.
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