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From Karnataka Open Educational Resources
→Concept #
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+
+
*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;">
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|}
|}
*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 # ===
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*Evaluation
*Evaluation
*Question Corner
*Question Corner
−= Hints for difficult problems =
= Hints for difficult problems =
