Difference between revisions of "Congruent circles"
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− | + | Equal circles are circles with same radius is a concepts that is introduced in this activity.[[File:cong.jpg|right|link=]] | |
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=== Objectives === | === Objectives === | ||
− | + | #The students learn that congruent circles are the circles that have same radius but different centres. | |
− | + | #Congruent circles can also be called as equal circles. | |
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===Estimated Time=== | ===Estimated Time=== | ||
+ | 3 minutes for video and 30 minutes to actually cut. | ||
=== Prerequisites/Instructions, prior preparations, if any === | === Prerequisites/Instructions, prior preparations, if any === | ||
+ | The students should know what are congruent circles. | ||
===Materials/ Resources needed=== | ===Materials/ Resources needed=== | ||
+ | #DIgital: Laptop, video link. | ||
+ | #Non digital: Cardboard, a stick, nails, scale, pencil. | ||
+ | #Video : {{#Widget:YouTube|id=XWH3ysrfrjM}} | ||
+ | |||
===Process (How to do the activity)=== | ===Process (How to do the activity)=== | ||
− | + | #Ask the students to watch the youtube clip | |
− | + | #Was the compass used here? | |
− | What | + | #What types of circles did he cut? |
− | + | #What type of stick can be used ? (straight) | |
− | What are | + | #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 | ||
+ | #Were the students able to conclude that there are alternatives for compass? | ||
+ | #Can you suggest some more methods of getting a circle? | ||
− | + | #Find out which methods are used while drawing circles in rangoli designs ? | |
− | + | [[Category:Circles]] |
Latest revision as of 16:46, 30 October 2019
Equal circles are circles with same radius is a concepts that is introduced in this activity.
Objectives
- The students learn that congruent circles are the circles that have same radius but different centres.
- Congruent circles can also be called as equal circles.
Estimated Time
3 minutes for video and 30 minutes to actually cut.
Prerequisites/Instructions, prior preparations, if any
The students should know what are congruent circles.
Materials/ Resources needed
- DIgital: Laptop, video link.
- Non digital: Cardboard, a stick, nails, scale, pencil.
- Video :
Process (How to do the activity)
- Ask the students to watch the youtube clip
- Was the compass used here?
- 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
- Were the students able to conclude that there are alternatives for compass?
- Can you suggest some more methods of getting a circle?
- Find out which methods are used while drawing circles in rangoli designs ?