Difference between revisions of "Congruent circles"
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===Materials/ Resources needed=== | ===Materials/ Resources needed=== | ||
− | #Laptop, video link. | + | #DIgital: Laptop, video link. |
− | #Cardboard, a stick, nails, scale, pencil.{{#Widget:YouTube|id=XWH3ysrfrjM}} | + | #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)=== |
Revision as of 08:27, 16 May 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 ?