How is the total score calculated, including Part A/Part B multiple choice questions and short answer questions? (Short version)

So, if there are 4 questions, each question is worth 25%. If there are 5 questions, each is worth 20%. 

Short answer questions and multi-select multiple choice questions can have partial scores. If there are 4 questions and 1 is a short answer, that short answer is worth 25%, and a 2 out of 4 on that short answer would equal 12.5% out of a possible 25 percentage points for that short answer question.

Finally, CommonLit only counts Part B questions when the student correctly answers Part A of the question. So, if there are 4 questions and #1 is Part A and #2 is Part B, and the student correctly answers Part A and incorrectly answers Part B (and number 3 and 4 correct), then the student receives a 75%. But if the student incorrectly answers Part A (and 3 and 4 correct), then the student can only receive a 67%. This is because CommonLit only counts questions 1, 3, and 4 towards their total score. CommonLit drops Part B from the total score regardless of whether the student correctly answered the question. 

On the Assignment Report, correct answers are green, incorrect answers are red, and omitted part b results are gray. Yellow multi-select answers mean students got one of the two answers correct. Short answers can be graded on a scale from 0 to 4, and are shown in shades of blue on the Assignment Report.