This "Fast Fact" one-page handout covers everything your students need to understand 2D & 3D Shapes, including: Basic Geometric Shapes: Properties of triangles, quadrilaterals, and circles.Area and Perimeter: Calculating the area and perimeter of various shapes.Volume and Surface Area: Finding the volume and surface area of 3D shapes.You can print it out or share it digitally with your students. It's a great reference sheet and a companion to the large-format posters in the Brain Storm store.