Final answer:
Speed drills benefit students needing practice with quick recall in various subjects and grade levels.
Step-by-step explanation:
Speed drills can be beneficial for students needing practice with quick recall. These drills help improve a student's ability to quickly retrieve information from memory, which can be useful in various subjects such as Mathematics, History, Science, and even language learning. Students who struggle with comprehension may not necessarily benefit the most from speed drills, as these drills primarily focus on quick recall rather than understanding.