Every June, Birches Elementary School mathematics teacher Judy Rose challenges some of the school’s first, second and third grade students with a “Math Calendar” that they can complete over their ...

When conjuring math problems, images of worksheets next to a calculator and perhaps a ruler on a school table may typically spring to mind … not next to a lamp on a nightstand or on a bed. But that’s ...

NEW YORK (AP) — Leap year. It's a delight for the calendar and math nerds among us. So how did it all begin and why? Have a look at some of the numbers, history and lore behind the (not quite) ...

PORTSMOUTH — Have you ever wondered how other calendars deal with the extra day associated with a leap year? Here's a quick guide to help you sort it all out. The Gregorian calendar The Gregorian ...

How many years’ worth of calendars would need to be kept so that they can be used in the same order over and over again for the same number of years? The calendars should always be valid, meaning that ...