This website is perfect for keeping students on task and teaching them to manage time...just as long as they concentrate on their work and not too much on the clock! We use them during timed math computation quizzes and to budget prewriting time before writing a first draft, plus parents use it at home to help students to do their homework more quickly. It can be used on a cell phone or iPod too!
Check out Onlinestopwatch.com! Here are just a few options:
Check out my class website for more websites!