3D Figures: Edges, Faces, and Vertices

In this video, Mr. J introduces fifth-grade students to 3D figures, focusing on key vocabulary such as faces, edges, and vertices. The video explains these concepts using a cube and a rectangular pyramid, demonstrating how to count each element on these figures. The tutorial concludes with a brief summary and a link to a mastery check for students to practice independently.

What are the three key vocabulary words introduced in the video related to 3D figures?

• Edges, Faces, and Vertices

• Height, Width, and Depth

• Shapes, Sizes, and Dimensions

• Lines, Angles, and Points

How many faces does a cube have?

• 5

• 4

• 8

• 6

What is a face in the context of 3D figures?

• A point where edges meet

• A flat surface on a 3D figure

• A line segment where two faces meet

• The interior of a 3D figure

How many edges does a cube have?

• 8

• 10

• 14

• 12

What is an edge in a 3D figure?

• A flat surface

• A point where edges meet

• A line segment where two faces meet

• The interior of a 3D figure

How many vertices does a cube have?

• 12

• 6

• 10

• 8

What is a vertex in a 3D figure?

• The interior of a 3D figure

• A point where edges meet

• A line segment where two faces meet

• A flat surface

How many faces does a rectangular pyramid have?

• 6

• 5

• 4

• 3

How many edges does a rectangular pyramid have?

• 9

• 8

• 7

• 6

How many vertices does a rectangular pyramid have?

• 5

• 4

• 7

• 6