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==Concept #7 ARC==
 
==Concept #7 ARC==
 
[[File:arc.jpg|200px|right]]
 
[[File:arc.jpg|200px|right]]
'''DEFINITION:''' part of a circumference of a circle
   
===Learning objectives===
 
===Learning objectives===
*The students should understand that an arc is a part of a circle included between two distinct  points on the circumference of the circle.<br>
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# The students learn that an arc is a part of a circle included between two distinct  points on the circumference of the circle.
*The students should understand the two types of arcs -minor arc and major arc. The larger arc is called a major arc and the smaller one is called minor arc.
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# The students learn that the the larger arc is called major arc and the smaller one is called minor arc.
 
===Notes for teachers===
 
===Notes for teachers===
Explain the concept of arc by drawing a circle and two points on its circumference. The part of the circumference within the two points in either directions are called its arcs. Show the labelling of arcs.
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# Explain the concept of arc by drawing a circle and two points on its circumference. The part of the circumference within the two points in either directions are called its arcs.  
===Activity No # 1===
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# Show the labelling of arcs.  
 
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===Activity No # Arc===
    
{| style="height:10px; float:right; align:center;"
 
{| style="height:10px; float:right; align:center;"
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''[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''' :  
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*Estimated Time : 10 minutes
*Materials/ Resources needed
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*Materials/ Resources needed : White paper, pencil, compass, scale and colour pencils.
 
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*'''Prerequisites/Instructions, if any'''
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'''Instructions to the teacher:'''<br>
     −
 
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*Prerequisites/Instructions, if any
 
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# The students should know to draw a circle using compass.
'''Instructions to the students:'''<br>
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# They should know that arc is part of the circumference.
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Instructions to the teacher:<br>
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Instructions to the students:<br>
 
*Multimedia resources  
 
*Multimedia resources  
 
*Website interactives/ links/ / Geogebra Applets
 
*Website interactives/ links/ / Geogebra Applets
 
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*Process/ Developmental Questions
*'''Process/ Developmental Questions'''
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*Evaluation
*'''Evaluation'''
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*Question Corner:
 
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# What is the longest arc of a circle called?<br>
*'''Question Corner'''
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# What are the arcs called when both major and minor arcs are of same size?
What is the longest arc of a circle which forms the circle called?<br>
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What are the arcs called when both major and minor arcs are of same size?<br>
      
===Activity No # ===
 
===Activity No # ===
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