Classifying Solid Figures

David sorted objects into two groups based on number of edges. Which object belongs in Group 2?

• a book

• a pencil

• a light bulb

• a baseball

What is this shape?

• cone

• cube

• pyramid

• sphere

What shape is this?

• Cube

• Triangular Prism

• Rectangular Pyramid

• Cone

The lines where 2 faces meet are called...

• edges

• outside

• faces

• vertices

What is this shape?

• cone

• pyramid

• rectangular prism

• cube

How many faces does a rectangular prism have?

• 6

• 5

• 4

• 8

How many vertices does a rectangular prism have?

• 2

• 4

• 6

• 8

How many faces in this shape?

• 3

• 4

• 5

• 6

How many vertices in this shape?

• 3

• 4

• 5

• 6

How many edges in this shape?

• 2

• 4

• 6

• 8