The ancient Mayans had a complex calendar and number system with a rich history. In fact, the date 12/21/2012 was the center of much controversy as to whether or not it was the end of time. It wasn't the end of time, but...

In this sinusoidal model worksheet, students use the sinusoidal model to solve word problems about the hours of daylight in Anchorage, Alaska. Students complete 5 problems.