Triangles

OER

 * Web resources:
 * Wikipedia, the free encyclopedia : The website gives a comprehensive information on triangles from basics to in depth understanding of the topic.
 * cbsemathstudy.blogspot.com : The website gives worksheets for the chapters that can be downloaded. Worksheets for other chapters can also be searched for which are listed based on class.


 * Books and journals
 * Textbooks
 * NCERT Textbooks – Class 9
 * Karnataka Govt Text book – Class 8


 * Syllabus documents

Non-OER

 * Web resources:
 * Bright hub education : The website describes a lesson plan for introducing triangles and lists classroom problems at the end of the lesson that can be solved for better understanding.
 * CPALMS : The website gives lesson plan, activities and worksheets associated with triangles.


 * Books and journals
 * Textbooks
 * Syllabus documents (CBSE, ICSE, IGCSE etc)

Learning Objectives

 * Identifying a triangle and understanding its formation
 * Recognizing all parameters related to triangles
 * Understanding formation of triangles based on sides and angles
 * Establishing relationship between parameters associated with triangles

Concept 1: Formation of a triangle, elements of a triangle and its measures
Formation of a geometric shape with minimum number of lines is introduced.The key geometric concepts that are associated with it and its properties are elaborated.

Concept 2: Types of triangles based on sides and angles
Triangles can be based on its elements such as sides and angles. Students are able to recognize these formations.

Concept 3: Theorems and properties
Properties of triangles are logically proved by deductive method. Relations ships between angles of a triangle when a triangle is formed are recognized and understood.