Lesson: Comparing 3-Dimensional Shapes

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Lesson Objective

Compare characteristics of 3-dimensional shapes

Lesson Plan

 DO NOW

Distribute 3-D Shapes Poster; tell students to cut and paste 3-D Shapes Poster into Math Journals

Ask students to talk their face partner (the person across form them) about each shape. 

 

OPENING

State today’s objective.

Remind students that shapes can be two dimensional or 3-Dimensional.  Review what 3-D means by going visiting: http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/3d/index.htm


 

TEACHER INPUT

Introduce the following terms to students.

Curved surfaces:  Cylinders, cones and spheres have curved surfaces.

Faces: Cubes, rectangular prisms, cylinders and cones have faces, or flat surface. 

Edge:  An edge of a prism or pyramid is a line segment where two faces meet. 

Vertex, or vertices:  A vertex is a point where two edges meet. 


 

GUIDED PRACTICE

(Note to teacher:  If you do not have a set of geometric shapes, just use real world objects for each shape.  Use paper towel for a cylinder; shoebox for a rectangular prism; dice for cube; birthday hat for a cone; can of soup for a cylinder, etc.)

  • Display a cylinder and a cone shape. Ask how are these to shapes alike?  How are these two shapes different?  Ask students to describe the shapes. 
  • Display a pyramid and a cone.  Ask how are these to shapes alike?  How are these two shapes different?  Ask students to describe the shapes. 
  • Display a pyramid and a rectangular prism.  Ask how are these to shapes alike?  How are these two shapes different?  Ask students to describe the shapes. 
  • Display a cylinder and a rectangular prism.  Ask how are these to shapes alike?  How are these two shapes different?  Ask students to describe the shapes. 
  • Display a cube and a rectangular prism.  Ask how are these to shapes alike?  How are these two shapes different?  Ask students to describe the shapes. 

 

INDEPENDENT PRACTICE

  Explain directions to students.  Distribute an Independent Practice Sheet to each student.

 

CLOSING

Display 2 objects (Object A , a shoebox Object B,  roll of paper towel.  Ask students to record in their math journals the names of the shape of Object A and Object B).

Lesson Resources

Comparing 3 D Shapes IP  
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