Students explore the concept of Roman numerals. They investigate the seven basic numerals and the symbols that are used in the Roman numeral system and their values. Students practice converting Roman numerals.

Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...

Students explore counting methods of the ancient Maya, and practice identifying Maya number glyphs.

Students examine how ancient Maya counted, and practice addition and subtraction using Maya number glyphs.

Students use a zipcode map to locate earthquake experiences based on the Modified Mercalli Scale. They discuss the difference of the magnitude of an earthquake compared to the intensity of the shaking it causes.