University of St. Andrews (UK)
University of St. Andrews: Mac Tutor History of Mathematics Archive
The University of St. Andrews, Scotland, presents hundreds of biographies of famous mathematicians, histories of math in various cultures, and interesting facts on the development of important math concepts. This is a huge reference....
Scholastic
Scholastic Internet Field Trip: Calendars & Time Measure
Study the math and history involved in the development of the 12 month calendar. There are lots of links to informative time and calendar websites to assist you.
Curated OER
Image Figure 21 Tikal North Acropolis Click on Image to Enlarge
Short history of the Tikal site. Check under the Research link for a Teacher Guide that could be used to study Mayan math and writing. Note that this site can also be viewed in Spanish.
Curated OER
Image Stela 16 Click on Image to Enlarge
Short history of the Tikal site. Check under the Research link for a Teacher Guide that could be used to study Mayan math and writing. Note that this site can also be viewed in Spanish.