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From Karnataka Open Educational Resources
→Concept #
*Question Corner
*Question Corner
==Concept #==
==Concept #2 diameter==
===Learning objectives===
===Learning objectives===
to draw circle<br>
to draw a diamter
use of geometrical instruments
===Notes for teachers===
===Notes for teachers===
===Activity No # ===
explain the concepts using requisite diagrams. Conduct this activity.
===Activity No #1 ===
{| 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;">
|}
|}
*Estimated Time
*Estimated Time
20 minutes
*Materials/ Resources needed
*Materials/ Resources needed
*Prerequisites/Instructions, if any
different coloured circular cutouts
*Prerequisites/Instructions, if any <br>
#The student should have knowledge of circles.
#The student should have skill of paper folding
*Multimedia resources
*Multimedia resources
*Website interactives/ links/ / Geogebra Applets
*Website interactives/ links/ / Geogebra Applets
*Process/ Developmental Questions
*Process/ Developmental Questions
''instructions to the teacher:''<br>
The teacher distributes the paper cut outs to all the students.<br>
Ask every student to make 2 equal parts by folding.<br>
What happens if it is folded again to get equal parts?<br>
Ask the students to identify the folded lines/marks<br>
''instructions to the student:''<br>
fold the paper cut out as per instructions<br>
observe and mark the folded line.<br>
Identity the diameter and radius.<br>
*Evaluation
*Evaluation
#Was the student successful in marking radius and diamter?<br>
#Was the student successful in folding and marking?<br>
#Was the student able to relate radius and diameter.<br>
*Question Corner
*Question Corner
how many such radii and diameters can be drawn to a given circle?
===Activity No # ===
===Activity No # ===
*Evaluation
*Evaluation
*Question Corner
*Question Corner
= Hints for difficult problems =
= Hints for difficult problems =
