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## Recognize two-dimensional faces of three-dimensional shapes. (0406.4.21)

1. 3-D Object Viewer - Students may explore a variety of 3-D objects and their accompanying 2-D views. or
2. Building Houses with Side View - student constructs a block figure (dynamic, perspective drawing) to match (10 different figures) or
3. Coloring 3-D sides - [UK spelling on this site] Find the red sides shown in a series of 2-D drawings and click on the right face of the 3-D model to color it red. 20 questions or
4. Coloring 2-D sides - Use the colored portion of the 3-D object to color the correct side of the 2-D drawing. or
5. Common 2-D and 3-D shapes - explanation, illustrations, and a quiz
6. Cube - Find out which colors will be on opposite faces of a cube whose faces are shown unfolded.
7. Guess the View - Students are given a 3-D view of an object, and then given a 2-D view of the object. Students must choose which of 6 views is being displayed from a list. and
8. Plot Plans and Silhouettes - from Shape and Space in Geometry - the student task is to come up with plot plans that could match the given silhouettes. Background information is available at another page.
9. Quick Images - In the following Interactive Activity, you'll stretch both your visualization and drawing muscles. (click on Show Shape to begin the activity)
10. Rotating Houses - Students are presented with a 3-D figure created with blocks that can be rotated and flipped using a mouse. The figure must be rotated until it matches a 2-D representation of one of the views. or
11. Shape Database - Use the pop up menus to find the links between sides, faces and shape names. 2D shapes and 3D shapes are listed

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