Difference between revisions of "Linear pair axiom : If a ray stands on a line, then the sum of two adjacent angles so formed is 180 degrees"

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(Created page with "===Name of the activity=== Brief blurb describing what the activity. If this has been borrowed from some external web site (for example, a non OER or OER site which had this...")
 
 
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===Name of the activity===
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Two adjacent angles are said to be form a linear pair of angles, if their non-common arms are two opposite rays. Linear pair axiom of theorems are if a ray stands on a line , then the sum of two adjacent angles so formed is 180 degree
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Brief blurb describing what the activity. If this has been borrowed from some external web site (for example, a non OER or OER site which had this idea and based on which the activity was developed)
 
  
 
=== Objectives ===
 
=== Objectives ===
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Content objectives - what content areas
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Introduce children to linear pair of angles
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Skill objectives - what specific skills
 
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Classroom objectives - to demo peer learning, to make a classroom resource, etc -
 
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All these kinds of objectives need not be there for every activity.  And no need to list them as different headings.  This is only for our reference when we are developing activities.
 
  
 
===Estimated Time===
 
===Estimated Time===
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30 minutes
  
 
=== Prerequisites/Instructions, prior preparations, if any ===
 
=== Prerequisites/Instructions, prior preparations, if any ===
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Prior knowledge of point, lines, angles
  
 
===Materials/ Resources needed===
 
===Materials/ Resources needed===
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* Digital - Computer, geogebra application, projector.
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* Non digital -worksheet and pencil.
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* Geogebra files : “[https://ggbm.at/xzyjb3q4 Linear pair axiom - ray on a line.ggb]”
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{{Geogebra|xzyjb3q4}}
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===Process (How to do the activity)===
 
===Process (How to do the activity)===
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How to do the different steps of the activity?
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* Prior hands on activity
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* Start with coinciding point C with the point B
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What kinds of questions you can ask for that activity
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* What is the angle formed by the line
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* Move point C above and slowly rotate around point 0
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* How many angles do you notice
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* Name the angles formed : what are their measure
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* Do the two angles together form a 180<sup>o</sup> angle
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* Do the two angles form a linear pair
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* Record the values of the two angles for various positions of point C
  
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What are the student follow-up activities/ questions you can give?
 
  
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Categories: (Subject) (Topic) (Sub-concept/topic) (Class 6) (Resource format)
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: {| class="wikitable"
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|Sl No.
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|∠BOA
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|∠BOC
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|∠COA
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|∠BOC + ∠COA
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|Dothe angles form a linear pair
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|-
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|.
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|
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|
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|
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|
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|
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|}
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* '''Evaluation at the end of the activity'''
  
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Example -  (Mathematics) (Triangle) (Area) (Perimeter) (Class 6) (Class 8) (Geogebra) (Video)
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[[Category:Lines and Angles]]

Latest revision as of 16:03, 4 November 2019

Two adjacent angles are said to be form a linear pair of angles, if their non-common arms are two opposite rays. Linear pair axiom of theorems are if a ray stands on a line , then the sum of two adjacent angles so formed is 180 degree

Objectives

Introduce children to linear pair of angles

Estimated Time

30 minutes

Prerequisites/Instructions, prior preparations, if any

Prior knowledge of point, lines, angles

Materials/ Resources needed


Download this geogebra file from this link.


Process (How to do the activity)

  • Prior hands on activity
  • Start with coinciding point C with the point B
  • What is the angle formed by the line
  • Move point C above and slowly rotate around point 0
  • How many angles do you notice
  • Name the angles formed : what are their measure
  • Do the two angles together form a 180o angle
  • Do the two angles form a linear pair
  • Record the values of the two angles for various positions of point C


Sl No. ∠BOA ∠BOC ∠COA ∠BOC + ∠COA Dothe angles form a linear pair
.
  • Evaluation at the end of the activity
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