Pre-Algebra Lesson 1-1 Vocabulary
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evaluate
substitute a given number(s) for any variable(s), then use the order of operations to find the value of the resulting numerical expression.
variable
a letter that represents a value that can change or vary.
expression
a mathematical phrase that contains operations, numbers, and/or variables.
algebraic expression
an expression that contains one or more variables
numerical expression
an expressions that does not contain variables.
