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7th grade math chap. 1

AB
FactorsTwo or more numbers that are multiplied together.
Exponentthe number that tell how many times the base is used as a factor.
BaseThe number used as a factor.
PowersNumbers expressed usinf exponents.
SquaredThe product of a number and itself.
CubedThe product in which a number is a factor three times.
EvaluateTo find the vaule of an expression.
Standard FormsNumbers written without exponents.
Exponential FormNumbers written with exponents.
SquareThe product of a number and itself.
Perfect SquaresNumbers with square roots tha are whole numbers.
Square RootsOne of the two equal factors of a number.
Radical SignThe symbol used to indicate a nonnegative square root.
Numerical ExpressionA combination of numbers and operations
Order of OperationsThe rules to follow when more that one operation is used in a numerial expression.
VariableIt is a symbol tha represents an unknown quanity.
AlgebraThe branch of mathematics that involes expression with varibles.
Algebraic ExpressionA combination of variables, numbers and at least one operation
CoefficentThe numerial factor of a term that contains a variable.


Lugoff-Elgin Middle School

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