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# Envision Topic 3

### Numeric and Algebraic Expressions

TermDefinition
prime number whole number greater than one with exactly two factors, 1 and itself
composite number whole number greater than one with two or more factors
numerical expression a mathematical expression phrase that consists of numbers and operational symbols
base the repeated factor of a number written in exponential form
exponent a number that shows how many times a base is used as a factor
power a number expressed using an exponent
prime factorization the number written as a product of prime factors
greatest common factor the greatest number that is a factor of all of the numbers
order of operations order of operations to perform in an expression
variable a letter or symbol that represents an unknown value
algebraic expression mathematical phrase containing variable, numbers and math operation symbols
evaluate find the value
equivalent expressions have the same value
like terms terms that have identical variable parts
Created by: amiller341