-1 Active recall and spaced repetition really works. To score for quantitative subjects, you really have to practice various types of exam questions to broaden your scope of understanding. If you don’t have the time, try lots of multiple choice questions. Need to attempt mock exams questions that comes with detailed solutions and make sure you fully understand why the other steps or options are incorrect. Usually the level of difficulty in mock exams is similar to the actual ones. The professors often tweak or pivot the questions from the mocks in the actual exam paper. Also important to know your syllabus well before you scope questions!