Practicing with exam like questions is critical for your exam success. 

Below is a list of resources. Follow the order as shown in the table: 

Material Location / Notes
IFT Study Session QuizzesIFT website (Item Set & Essay Practice Quizzes)
Examples from the CurriculumLevel III curriculum
EOC Questions from CurriculumLevel III curriculum (End of Chapter Questions after each Reading)
CFA Institute Portal Questions / QuizzesCFA Institute website (candidate resources)
IFT Essay Exam Solution VideosIFT website (Practice relevant past essay questions & then watch the IFT solution)
CFA Institute Mock ExamCFA Institute website (candidate resources)
IFT Mock ExamsIFT website
IFT Level III Completion PortfolioIFT website
Past CFA Institute ExamsCFA Institute website (candidate resources)

In your preparation schedule, you should follow the order above. i.e. first practice at the Reading level, then the Topic level then the Exam level.