Concentric circles

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

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.