MusicTheory.net

These tools are well worth exploring for homework, revision, and online learning. They are clear and simple, as well as very customisable.

The "Exercise Customizer" tool allows teachers to set the parameters of the task, and creates a custom URL. Challenge mode turns the task into a quiz with a limited number of questions.

After completing the task, students are asked to "Sign" their attempt, which then creates a code linked to their answers. This code allows the teacher to check student answers with the "Code Checker" teacher tool.