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| ===Notes for teachers=== | | ===Notes for teachers=== |
− | ===Activity No # 1=== | + | ===Activity No # Cutting congruent circles without using compass=== |
| {| 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;"> |
| ''[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: 10 minutes | + | *Estimated Time: 3 minutes for video and 30 minutes to actually cut. |
− | *Materials/ Resources needed : Laptop, video link. | + | *Materials/ Resources needed : |
| + | # Laptop, video link. |
| + | # Cardboard, a stick, nails, scale, pencil. |
| *Prerequisites/Instructions, if any | | *Prerequisites/Instructions, if any |
| + | # The students should know what are congruent circles. |
| *Multimedia resources | | *Multimedia resources |
| *Website interactives/ links/ / Geogebra Applets | | *Website interactives/ links/ / Geogebra Applets |
| {{#Widget:YouTube|id=XWH3ysrfrjM}} | | {{#Widget:YouTube|id=XWH3ysrfrjM}} |
| *Process/ Developmental Questions: | | *Process/ Developmental Questions: |
− | #Ask the students to watch the youtube clip | + | # Ask the students to watch the youtube clip |
− | #Was the compass used here? | + | # Was the compass used here? |
− | #what types of circles did he cut? | + | # What types of circles did he cut? |
| + | # What type of stick can be used ? (straight) |
| + | # How many nails are fixed to the stick and for what purpose ? |
| + | # What does the fixed nail depict ? |
| + | # What is the trace made by moving line called ? |
| *Evaluation | | *Evaluation |
| # Were the students able to conclude that there are alternatives for compass? | | # Were the students able to conclude that there are alternatives for compass? |
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| *Question Corner | | *Question Corner |
| + | # Find out which methods are used while drawing circles in rangoli designs ? |
| | | |
| ===Activity No # === | | ===Activity No # === |