MR / Schenectady, NY / .Yates Arts in Education Magnet School / urban public elementary school / Grade 5.Boy (12, African-American) raises hand after whole-class lesson on volumetric shapes. Adding three dimensional (3D) shape concepts to traditional 2D concepts is of increasing importance in the development of math curriculum..MR: AD-g5a Dan4..© Ellen B. Senisi
©Ellen B. Senisi