Third graders are introduced to the use of glyphs and relief carving by Mesoamerican cultures. They complete worksheets, view PowerPoint presentations, participate in a Webquest and create an original glyph carving in sandstone.

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.

History and mathematics merge in this lesson that explores the origin of the calendar. Learn how it all got started in this detailed lesson that includes a simple months of the year game and a more challenging time conversion game. Both...