4 77-79   C+ (2.33)                 73-76   C  (2.00)  Fair For class participation & Group Work Activities: 70-72   C -  (1.67)                  A  (4) = maximum effort & correct responses 67-69   D+ (1.33)                 B  (3) = good effort & correct responses 63-66   D  (1.00)  Poor             C (2) = average effort & correct responses 60-62   D -  (0.67)                  D (1) = minimun effort & correct responses      0-59   F   (0.00) Fail             F  (0)  = no effort, absent Homework & impromptu compositions: c = credit  (work done well) 1/2 credit  (work done partially) nc              (work not done or not done well [e.g., did not answer]) NB: homework assignments become letter grades when they become cumulative, i.e., if a student completed 10 out of 10 homework assignments, s/he gets an A, if 9, a B, if 8 a C, if 7 a D, etc. NB:  Extra credit is also possible (to be defined according to circumstances)