According to The Institute of Education Sciences (IES) (source), a branch of the U.S. Department of Education, the top two methods for instruction are:
Recommendation 5b: Use quizzes to re-expose students to information: PDF
Recommendation 7: Help students build explanations by asking and answering deep questions: PDF
Note: Click on a PDF link to learn how to use each Recommendation in your classroom.
If you want to learn how to navigate the site where I retrieved this information, watch the following video: