denominator
the bottom number of a fraction
improper fraction
a fraction whose numerator is greater than or equal to the denominator
numerator
the top number of a fraction
rational number
a number that can be written as the ratio of two integers
reciprocal
two numbers whose product is one
repeating decimal
a decimal that has a pattern that repeats
terminating decimal
a decimal that ends
whole numbers
the numbers 0,1,2,3,4,...