21 terms

Module 4 Vocabulary

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algebra
a mathematical language of symbols, including variables
algebraic expression
a combination of variables, numbers, and at least one operation
associative properties
the way in which numbers are grouped (with parentheses) does not change the sum or product
base
in a power, the number used as a repeated factor
coefficient
the numerical factor of a term that contains a variable
commutative properties
the order in which the numbers are added or multiplied does not change the sum or product
constant
a term without a variable
defining the variable
choosing a variable and deciding what the variable represents
distributive property
to multiply a sum by a number, multiply each addend by the number outside the parentheses
equivalent expressions
expressions that have the same value
evaluate
to find the value of an algebraic expression by replacing variables with numbers
exponent
in a power, the number that tells how many times the base is used as a factor
factor the expression
the process of writing numeric or algebraic expressions as a product of their factors
identity properties
properties that state that the sum of any number and 0 equals the number, and the product of any number and 1 equals the number
like terms
terms that contain the same variable(s) to the power
numerical expression
a combination of numbers and operations
perfect square
numbers with square roots that are whole numbers
powers
numbers expressed using exponents
properties
statements that are true for any number
term
each number in a sequence; each part of an algebraic expression separated by a plus or minus sign
variable
a symbol, usually a letter, used to represent a number