Difference between revisions of "Concentric circles"

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#What determines the size of the circle ?
 
#What determines the size of the circle ?
 
#Give examples for objects similar to concentric circles.
 
#Give examples for objects similar to concentric circles.
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[[Category:Circles]]

Latest revision as of 10:55, 30 October 2019

Drawing concentric circles, with this hands on activity circle as a shape and variations in it is explored.

Conc circles.jpg

Objectives

The students learn that concentric circles are circles with same centre but different radii.

Estimated Time

15 minutes

Prerequisites/Instructions, prior preparations, if any

The students should have the skill of drawing circles accurately for given radius.

Materials/ Resources needed

White paper, compass, pencil, colour pencils, scale

Process (How to do the activity)

  1. What is the centre for differrent circles.
  • Evaluation:
  1. Are the students able to understand that the centre is same for concentric circles.
  • Question Corner:
  1. What are equal circles (congruent)?
  2. What determines the size of the circle ?
  3. Give examples for objects similar to concentric circles.