You can add an existing quiz or a create a new quiz in a course module. When creating a new quiz, you can select the New Quizzes or Classic Quizzes quiz engine.
When you add items to a module, please be aware that the status of the module overrides the state of the individual module items. You may want to consider leaving all module items in an unpublished state until you are ready to publish the entire module. Learn more about publishing or unpublishing a module.
Note: Numerous module items may affect performance. Modules supports up to 100 module items in the student progress page.