Why shouldn’t classroom time be treated the same way? In his second book, Lemov describes the modern devices that can be used, including “an overhead stopwatch — one of those LCD clocks you ...

Chrome: Timer Tab is a free extension for Google Chrome that combines the functions of a countdown timer, alarm clock, and stopwatch, and has the ability to notify the user when an alarm goes off.

PHILADELPHIA (CBS) -- Step into an elementary school classroom and you know ... And in time, how to tell time. From working 'round the clock to figuring out the big and little hands, to drawing ...