Chapter 16.5 (Mathematics 5)

Pyramid

Identifying pyramids in the environment

Group Activity 5

In groups:

  1. Name the shape of the faces of a packet of milk as the one shown. 
  1. Count the number of:
    1. edges 
    2. faces 
    3. corners 
  2. Explain:
    1. How the edges are formed.
    2. How the corner is formed.
  1. Discuss and share your results with other groups.
  2. Place the packet of milk on the table. Name the shape of the bottom or base of the packet of milk. 

Note

  1. The packet of milk is the shape of a triangular base pyramid.
  2. Other types of pyramids are:
    • Square base pyramid.
    • Rectangular base pyramids. 
Triangular base pyramid
Square base pyramid
Rectangular base pyramids

Exercise E

Pyramid

Number of faces

Number of corners

Number of edges

Triangular base pyramid

Square base pyramid

Rectangular base pyramid