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Rational Numbers & Equations Blocks 1-4 Vocab.

Here are your new vocabulary words plus the words from the first three lists.

AB
fractiona number that represents a part of a whole number
numeratorthe part of a fraction that tells you how many pieces you have
denominatorthe part of the fraction that tells you how many pieces the whole is divided into
equivalent fractiontwo or more fractions that represent the same value
greatest common factor (GCF)the largest factor that is two or more numbers share
simplest formwhen the numerator and denominator's only common factor is one
mixed numberthe sum of a whole number and a fraction less than one
improper fractiona fraction that has a numerator that is greater or equal to its denominator
least common multiple (LCM)the smallest non-zero multiple that two or more numbers share
reciprocalsa "flip" of a fraction that results in a product of one
least common denominatorthe smallest denominator that two or more fractions share
absolute valuethe distance a number is from zero on the number line
exponentthe raised number that shows the number of times a base is repeated in a power
cubeda base raised to the power of 3
negative numbera number less than zero
order of operationsrules to follow when evaluating an expression with more than one operation
integerthe set of counting numbers, their opposites, and zero
poweran expression which consists of two parts, the base and the exponent
zero pairone positive integer chip paired with one negative integer chip
basethe repeated factor when using powers
squareda base raised to the power of 2
inverse operationsoperations that undo each other
oppositesnumbers that are the same distance from 0 on a number line
compatible numbersnumbers that are easy to compute mentally
rational numbersa number that can be expressed as a fraction of two integers
algebraic expressionan expression that contains numbers, operations, and variables
coefficientthe number multiplied by a variable in a term
constanta term that has no variable
equationa mathematical sentence that contains an equals sign between 2 expressions
equivalent expressionstwo or more expressions that represent the same algebraic expression
evaluateto find the value of an expression
inequalitya mathematical sentence using <, >, ≤, or ≥ to compare two quantities
like termsterms that have the same variable(s)
simplifyto rewrite an expression without parentheses and combine all like terms
solutionany value or values that make an equation true
terma number or the product of a number and variable in an algebraic expression
variablea symbol that represents one or more numbers


7th Grade Math Teacher
Morgan Middle School
Ellensburg, WA

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