In my new free ebook Google Documents for Teachers I included directions for using the Flubaroo script to grade multiple choice quizzes. The Flubaroo website offers a good video that will walk you through the process too. The video is embedded below.
Applications for Education
If you use multiple choice quizzes for any purpose in your classroom, administering those quizzes through Google Documents and grading them with Flubaroo can save you a lot of time. That's time that you can use for other things like delivering more instruction or building better relationships with students.