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From Karnataka Open Educational Resources
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, 10:48, 6 December 2013
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| | # Would it be possible to understand pi without understanding circles ? | | # Would it be possible to understand pi without understanding circles ? |
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| − | ===Activity No #2. Circle of varying radius using Geogebra ===
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| − | {| style="height:10px; float:right; align:center;"
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| − | |<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;">
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| − | ''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
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| − | |}
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| − | *Estimated Time: 20 mins
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| − | *Materials/ Resources needed: Laptop, geogebra,projector and a pointer
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| − | *Prerequisites/Instructions, if any:
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| − | #The students should know a circle
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| − | #They should know the meaning of radius .
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| − | #They should know to measure radius using compass
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| − | #They should know to draw a circle of given radius using compass.
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| − | *Multimedia resources: Laptop
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| − | *Website interactives/ links/ / Geogebra Applets:
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| − | <ggb_applet width="1280" height="600" version="4.0" ggbBase64="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" enableRightClick="false" showAlgebraInput="false" enableShiftDragZoom="false" showMenuBar="false" showToolBar="false" showToolBarHelp="true" enableLabelDrags="false" showResetIcon="false" />
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| − | *Process:
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| − | #Review the terms plane closed figures, circle and radius.
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| − | #Show them how to measure radius on the compass
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| − | #Show them to draw a circle.
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| − | #Project the geogebra and let them view the changing size of the circle with changing radius.
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| − | *Developmental Questions:
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| − | # What is a circle ?
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| − | # Which point is the centre of the circle ?
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| − | # What is the radius of this circle ?
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| − | # How do you name the radius ?
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| − | *Evaluation:
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| − | #By what parameter is the size of a circle defined ?
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| − | #Bigger the radius, _____________ is the size of the circle.
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| − | *Question Corner:
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| − | # How do you name a circle ?
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| − | # Can you draw a circle without knowing the radius ?
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| | ==Concept # Measurements in circles == | | ==Concept # Measurements in circles == |
