Did you notice that: Each solid has flat sides called a face. Each solid has edges to connect the faces. Each solid has corners that connect the edges.

If you have these shapes in your classroom, find the shapes that match those in this computer activity.

Click New Shape to select a shape.

Study the shape by rotating it.

Answer the following questions. Use the chart to record what you find for each shape.

 

1. What shape is each face in the solid?

2. How many sides does each face have?

3. How many faces in the solid? Are all of the faces alike?

4. Guess how many edges are in the solid. Explain your thinking.

5. To help count them, press the shift key and click on each edge to color them.

6. How many edges are there?

7. Did your guess match your count of the edges?

8. What do you think about your method of guessing?

9. Guess how many corners are in the solid. Explain your thinking.

10. Hold the shift key and click on each corner to color them.

11. How many corners are there?

12. Did your guess match your count of the corners?

13. What do you think about your method of guessing?