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Math, Grade 6, Expressions, Substituting Numbers for Letters

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Overview:
Students express the lengths of trains as algebraic expressions and then substitute numbers for letters to find the actual lengths of the trains.Key ConceptsAn algebraic expression can be written to represent a problem situation. More than one algebraic expression may represent the same problem situation. These algebraic expressions have the same value and are equivalent.To evaluate an algebraic expression, a specific value for each variable is substituted in the expression, and then all the calculations are completed using the order of operations to get a single value.Goals and Learning ObjectivesEvaluate expressions for the given values of the variables.
Subject:
Algebra
Level:
Middle School
Material Type:
Lesson Plan
09/21/2015
Creative Commons Attribution Non-Commercial
Language:
English
Media Format:
Text/HTML