During a unit on integers, a math teacher administers a quiz to assess her students. A large proportion of students receive a failing grade. What is the best strategy the teacher should implement to correct this issue?

• A. Move on to harder material to challenge students.
• B. Provide no reteaching to avoid embarrassment.
• C. The teacher should look at the quizzes to see what common mistakes were made, and work on reteaching the material to the students.
• D. Increase homework without feedback.

Answer: (C)