Monday, February 29, 2016

Two Last Minute Lessons on Leap Year

Today is February 29th. My friend Rod's son is turning sixteen or four depending upon how you look at it. Why? Because there won't be another February 29 for four years. If you have students wondering why February 29th occurs only once every four years, share the following short videos.

The first video addresses the history and evolution of calendars. The second video deals purely with the mathematics of leap year.