geometry! solid geometric figures cari czarnecki
TRANSCRIPT
GEOMETRY!Solid Geometric Figures
Cari Czarnecki
KEY WORDS!
• Faces are the surfaces of a geometric shape.
• Edges are where 2 faces meet.• Vertices are the point where 3 or more
faces meet.• Base is the flat surface of a shape.
FACEEDGE
VERTEX
CUBES!
• A cube has…– 6 faces (all squares)– 12 edges– 8 vertices
• Examples of cubes…– Ice cubes, tissue box, dice
6 FACES
12 EDGES
8 VERTICES
RECTANGULAR PRISMS!
• A rectangular prism has…– 6 faces– 12 edges– 8 vertices
• Examples of rectangular prisms…– Juice box, radio, buildings
Rectangle Base
Rectangular Faces
CUBE VS RECTANGULAR PRISM!
• Can you name some differences between a cube and a rectangular prism?
PYRAMID!
• A pyramid has…– 5 faces (4 triangles, 1 shape)– 8 edges– 5 vertices
• Examples of pyramids…– Egyptian pyramids!
Base
TriangleFace
CYLINDERS!
• A cylinder has…– 2 faces (circles)– No edges or vertices– Curved surface
• Examples of cylinders…– Can of tuna, penny, can of soda
Circle Base
Curved Surface
CONES!
• A cone has…– 1 face (base)– 1 vertex
• Examples of a cone…– Ice cream cone, traffic cone, funnel
Base
Vertex
SPHERES!
• A sphere has…– No faces– No edges– No vertices
• Some examples of spheres are…– Ball, marble, globe
Can you find any examples of these
shapes in the room?