LessonnotesGH

JHS3 Mathematics · Term 3, Week 5

Position and Transformation

Lesson notes

Learning Objectives

Indicator: B9.3.3.1.1 - Know examples of situations in everyday life that depict enlargement situations in everyday life.

By the end of the lesson, learners can:

  1. Identify at least five everyday situations in Ghana that involve enlargement and state what is being enlarged.
  2. Distinguish between enlargement that happens vertically, horizontally, and in both directions at once.
  3. Explain the nature of movement (direction and size change) in at least three enlargement situations from daily life.
  4. Use digital tools or visual aids to capture and describe an enlargement situation they observe around them.
  5. Sort given everyday examples into “enlargement” and “not enlargement” categories with correct justification.

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Curriculum details

Strand
Geometry and Measurement (Strand 3)
Sub-strand
Position and Transformation (3.3)
Content standard
B9.3.3.1 - Demonstrate understanding of how to perform an enlargement on a geometrical shape given a scale factor and describe the properties of the image under the transformation (i.e. congruence, similarity, etc.)
Indicator
B9.3.3.1.1 - Know examples of situations in everyday life that depict enlargement situations in everyday life.
Suggested placement
Term 3, Week 5 (Week 29 of the year)

Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.

Curriculum reference
Mathematics, Common Core Programme (JHS1-JHS3), 2023, p. 209

Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum) 

E.g. 1. Know examples of situations that relate to enlargement situations in everyday life and the nature of movements - vertical and horizontal.
Cluster of wooden figures casts the enlarged shadow of a raised hand beside a newspaper clipping, illustrating...
A cluster of wooden figures casts the enlarged shadow of a raised hand beside a newspaper clipping, illustrating enlargement in everyday contexts. Visible labels, values, and notation include: robabiy ate cruer; in, who nonethe; metis ai merh finlerm fosher dik et; çuanawonishir; the early 2000%; «ESEIKTOTiS; BESS; arocrecy; NLD's leadersa; ppostion led by; otries was deadiockea; cured Othees w; Nonoetie Oedit; gous. 

            
        
          
              

                Magnifying glass enlarges part of an outdoor scene, and binoculars enlarge a distant cargo ship. Visible labels,...
                

                  A magnifying glass enlarges part of an outdoor scene, and binoculars enlarge a distant cargo ship. Visible labels, values, and notation include: BSH MARU.
                

              

          
        
      

    

  


  

    
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