This is a digital Christmas themed practice/quiz/review/digital task cards on derivatives and their application. Students are provided with 12 various challenging problems as there are 4 slides/cards and 3 problems per slide/card. Students are asked to find 1 problem) the first derivative of a given function 2 problem) the second derivative of a function 3) the derivative of a function at a given point 4) critical points of a function 5) intervals of monotonicity of a function 6) relative extrem