The objective of this unit study is to help students understand 3D geometry and area, perimeter and volume concepts; to improve their spatial reasoning and problem – solving skills, their ability to visualize. About this unit study: - it includes activities like: draw top, front and side views of objects; find area, perimeter, volume; build 3D models; learn how to draw 3D models and 2D plans; learn how to draw layers - it helps the students visualize, analyze, solve problems, practice and lear