Grading
Flubaroo
Flubaroo is a free add-on to Google Sheets that helps you quickly grade multiple-choice or fill-in-blank assignments that you create in Google Forms. More than just a grading tool, Flubaroo also:
Computes average assignment score.
Computes average score per question, and flags low-scoring questions.
Shows you a grade distribution graph.
Gives you the option to email each student their grade, and an answer key.
Lets you send individualized feedback to each student.