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→Concept #1 What is a triangle
#Triangle is a polygon
#Triangle is a polygon
#Sides and angles determine the type of triangle
#Sides and angles determine the type of triangle
#The relationship between sides and angles of triangle
===Notes for teachers===
===Notes for teachers===
''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''
''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''
* '''Question Corner'''
* '''Question Corner'''
===Activity No # ===
===Activity No # 2 - Types of triangles - Identifying and naming ===
{| style="height:10px; float:right; align:center;"
{| style="height:10px; float:right; align:center;"
|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">
|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
|}
|}
* '''Estimated Time'''
*'''Estimated time''' - 20 minutes
* '''Materials/ Resources needed'''
* '''Materials/ Resources needed'''
* '''Prerequisites/Instructions, if any'''
* '''Prerequisites/Instructions, if any'''
* '''Multimedia resources'''
* '''Multimedia resources'''
[[Image:KOER%20Triangles_html_m27d3a9c5.png]]
* '''Website interactives/ links/ Geogebra Applets'''
* '''Website interactives/ links/ Geogebra Applets'''
* '''Process (How to do the activity)'''
* '''Process (How to do the activity)'''
* '''Developmental Questions (What discussion questions)'''
Identify and name the triangles in the above figure.
* '''Evaluation (Questions for assessment of the child)'''
*'''Evaluation'''
* '''Question Corner'''
# Is it possible to construct a triangle with 3 collinear points?
# Is it possible to construct a triangle whose sides are 3cm, 4cm and 9cm. Why?.
*'''Estimated time''' - 20 minutes
* '''Materials/ Resources needed'''
* '''Prerequisites/Instructions, if any'''
* '''Multimedia resources'''
Look at the following images below
{|class="wikitable"
|-
|[[Image:KOER%20Triangles_html_m7d1c3f58.png|Equilateral Triangle]]
|[[Image:KOER%20Triangles_html_28f84d5e.png|Isosceles triangle]]
|[[Image:KOER%20Triangles_html_36280b0d.png|Scalene triangle]]
|-
|[[Image:KOER%20Triangles_html_21013b99.png|Right triangle]]
|[[Image:KOER%20Triangles_html_4b875456.png|Obtuse triangle]]
|[[Image:KOER%20Triangles_html_5c56ee05.png|Acute triangle]]
|}
* '''Website interactives/ links/ Geogebra Applets'''
* '''Process (How to do the activity)'''
Identify and name the triangles in the above figure.
*'''Evaluation'''
# Can a scalene triangle also be a right-angled triangle ? If yes can you draw one ?
==Concept #==
==Concept #==