Summary In this lesson students are introduced to the idea of 2 - D representational nets of 3 - D figures and characteristics of 3 - D figures and horizontal slices of 3 - D figures. (foundry10.org)
A Bright Bunch: These images, from a 2005 study in Cognitive Brain Research, show horizontal slices in the brains of adolescent boys, as measured while they were doing a spatial math problem. (edutopia.org)