Difference between revisions of "Concentric circles"

From Karnataka Open Educational Resources
Jump to navigation Jump to search
m (added Category:Circles using HotCat)
 
(One intermediate revision by one other user not shown)
Line 1: Line 1:
Drawing concentric circles[[File:conc_circles.jpg|200px|right|link=http://karnatakaeducation.org.in/KOER/en/index.php/File:Conc_circles.jpg]]
+
Drawing concentric circles, with this hands on activity circle as a shape and variations in it is explored.[[File:conc_circles.jpg|200px|right|link=]]
 
=== Objectives ===
 
=== Objectives ===
#The students learn that concentric circles are circles with same centre but different radii.
+
The students learn that concentric circles are circles with same centre but different radii.
 +
 
 
===Estimated Time===
 
===Estimated Time===
 
15 minutes
 
15 minutes
Line 20: Line 21:
 
#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.
 +
 +
[[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.