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IGHS Winkels

Pre-Algebra Chapter 3 Vocabulary

variable a letter that represents a number
variable expression an expression containing operations with variables or with variables and numbers
terms parts of an expression separated by a + or - sign
constant a term that is a number
coefficient a number that multiplies a variable
like terms numbers or terms that have the same variables with the same exponent
simplify a variable expression combine like terms
combine like terms add or subtract the coefficients of the variables
substitute replace a variable with a number
evaluate a variable expression find the value by substituting numbers for the variables
volume the number of cubes needed to fill a space
Created by: Winkels