Here are some additional practice problems for enzyme kinetics: https://www.khanacademy.org/test-prep/mcat/biomolecules/enzyme-kinetics/e/enzyme-kinetics-questions
If you are in a crunch for time, or you really dislike making flashcards, this is the link of the Quizlet I made for this unit when taking biochemistry:
https://quizlet.com/1146938134/biochem-exam-2-flash-cards/?i=62s45l&x=1jqt