Grading There will be three 1-hour exams, and a 3-hour final exam. You can drop the lowest hour exam grade... alternatively, you can count the final less.   exam 1    exam 2    exam 3    final       20%       20%       20%       40%         0%       25%       25%       50%       25%         0%       25%       50%       25%       25%         0%       50%