Students identify both two and three-dimensional shapes. In this geometric shapes lesson, students listen to a teacher led lesson about the island of Puerto Rico. They look at the symbols and shapes on "Puerto Rico Quarter Reverse" on a...

Students create entries for the Architects of America contest, including a model of a futuristic structure, blueprints, a list of all plane and solid shapes in the structure, a persuasive argument paper that describes why the structure...

Pupils use their county's information page to gather information about their community. Using the information, they create graphs from the tables provided and interpret the data. They write a paragraph showing their interpretation of the...

Fourth graders review their prior knowledge on the concept of pi. Using broken pieces of pottery, they calculate the circumference from a section of the circle. In teams, they compete against one another to get the most accurate...

Eighth graders study the cultural and architectural history of San Diego. After study they create a design of a home based of features from historical and modern homes found in their research.

Discusses the evolution of ideas about the cosmos, from the Magic Cosmology of the Neolithic age to the stage of Mythical Cosmology, to the Geometric Cosmology of the ancient Greeks. The third stage advocated a rational approach to...

An extensive discussion of the Elements, which contains all the geometrical knowledge available in the Hellenistic period.