Good answers here will focus on consistency and self-reflection, to some extent. Show the interviewer that you're not a lenient teacher and expect students to be responsible.
"My homework philosophy is: do it to the best of your ability. If there's a problem you can't solve, work halfway through it, show your work, and mark it so you can bring your questions to class. If there are answers in the book and they're asked to check, I do expect them to check and go through their work again so we can use class time efficiently and so students can keep track of their own progress."