LESSON PLANNING OF TRIANGLES

 

LESSON PLANNING OF CONSTRUCTING OF TRIANGLES

Subject Mathematics

Grade 5th

Students` Learning Outcomes

  • Use protractor and straightedge ruler to construct a triangle when two angles and included side are given.
  • Use protractor and straightedge ruler to construct acute-angled triangle, obtuse-angled triangle and right-angled triangles when one angle and adjacent sides are given.

Information for Teachers

  • For example
  • It helps if you draw a rough sketch of the triangle.
  • Use a protractor to draw a line at 500 to one end of the line. 
  • Now do the same with 300 at the other end of the line.
  • Give question to solve
    Consult textbook at each level wherever required.

    Material / Resources 

Writing board, chalk / marker, duster, geometry box, textbook

Introduction

  • Give them some time to recall drawing acute, obtuse and right angle.

CONSTRUCTING OF TRIANGLES

  • With the whole group share the steps with rough sketches as they did the same for complementary and supplementary angles. .

CONSTRUCTING OF TRIANGLES

  • Make sure that students have understood it.

 

  •  

 

 

1 thought on “LESSON PLANNING OF TRIANGLES”

Leave a Comment