Assignment: 05-Solid Figures
Nets: 06-Solid Figure Nets
Cube – 6 sided figure, all sides are squares, all 90 degree angles
Rectangular Prism – 6 sided figure, all sides are rectangles, all 90 degree angles
Rectangular Pyramid – Rectangle base with four triangle steadily leaning toward one vertex at the top
Cylinder – Top and bottom are circles, with a rectangle wrapped around the edges
Cone – Bottom is a circle, edge steadily moves to a single point at the top
Sphere – a three-dimensional circle; a ball
There are just a few vocabulary words I would like to make sure we are familiar with.
Vertices (s. Vertex) – the corners of a three dimensional shape. When we name vertices, we usually just use the letter that is labeling it to name it.
Edges – the line between two vertices. Edges are usually identified by listing the two vertices that are connected.
Faces – the two-dimensional figures creating the sides of a three-dimensional figure. Faces are usually named by listing the vertices that make that face.
Take a look at the figure below:
This polyhedron (many sides figure) above is a square pyramid, a form of a rectangular pyramid. Remember, a square is just a special type of rectangle. If we were to name all of the parts of this, it might look like this:
Vertices – H, I, J, K, L
Edges – HI, IJ, LJ, HL, HK, IK, LK, JK
Faces – HIK, IJK, JKL, HKL, (The four trangles), and HIJL (the square)
We will also be building some of the figures. Specifically, we will build a cube, a rectangular prism, a triangular prism, and a square pyramid. I will have a few others they can build in their free time if they want, but those are four we are going to focus on. Here is a copy of those four Nets.