University of Vienna (Austria)
University of Vienna: Polynomials and Their Order
Given an unsimplified polynomial, this matching assessment will test your understanding of degrees (referred to as "order" by the website) of polynomials.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Degree of a Polynomial
Find a quick, concise explanation of how to find the degree of a polynomial. Examples are given and clearly explained for how to find the degree of both a monomial and polynomial after it has been simplified.