Dear John: What can you tell me about the clock in the attached pictures? The clock was in my rural Ohio schoolroom back in the 1940s. The label on the back indicates it was manufactured by ...

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 ...

Children can go on a clock hunt and find different clocks around the school and at home. Take photographs of these and cut out pictures of clocks and watches out of magazines to make a display.