·       Sum  
·       Product
·       Difference
·       Quotient

·       Opposite
·       Multiplicative Identity
·       Reciprocal

·       Decimal form
·       Fractional form
·       Percent equivalent

·       Numerator
·       Denominator

·       Absolute value
·       Square root
·       Square

·       Prime number
·       Odd
·       Even
·       Factor
·       Multiple
·       Irrational number
·       Integer

·       Less than
·       Greater than
·       Division by 0
·       Coefficient