2.+Drawings,+Nets,+and+Other+Models

=Drawings, Nets, and Other Models= Objective: To make isometric and orthographic drawings and to draw nets for three dimensional figures.

Visit Standards page to identify numbers. NCTM Standards: 3 CT Mathematics Standards: 3.1
 * Standards **

You will study both two-dimensional and three-dimensional figures in geometry. To review the difference between two-dimensional and three-dimensional, please visit Dr. Math at [].

In Greek, //isos// means "equal" and //metron// means "measure." In an //isometric drawing//, all 3-D measurements are scaled equally. We will use special isometric dot paper for our isometric drawings. You can print out isometric dot paper at []. To learn about isometric drawings, please try this activity at [].

We will make orthographic and foundation drawings from our isometric drawings. To view examples of these drawings, visit [].

Groups will find examples of orthographic and foundation drawings online and insert links here.

A //net// is a two-dimensional pattern that you can fold to from a three-dimensional figure. A net shows all of the surfaces in one view. Here is a good activity to learn about prisms and nets: []

Please go to [] and print out three different nets. Cut out and assemble the nets with glue or tape. Next, draw a net from a three dimensional figure that you find, making sure to label the net with its dimensions. Take pictures of your nets and put them below.