Difference between revisions of "Circumference of a circle"

From Karnataka Open Educational Resources
Jump to navigation Jump to search
Line 1: Line 1:
Marking circumference. Explain that every point on the circumference is at equidistant from the centre. [[File:circum.jpg|200px|right|link=http://karnatakaeducation.org.in/KOER/en/index.php/File:Circum.jpg]]
+
Measuring circumference to understand it as the perimeter of the shape. [[File:circum.jpg|200px|right|link=]]
 
=== Objectives ===
 
=== Objectives ===
 
#Circumference is the outer boundary of a circle.
 
#Circumference is the outer boundary of a circle.
Line 8: Line 8:
  
 
=== Prerequisites/Instructions, prior preparations, if any ===
 
=== Prerequisites/Instructions, prior preparations, if any ===
 +
Prior knowledge of points, lines and line segments, formation of a circle.
  
 
===Materials/ Resources needed===
 
===Materials/ Resources needed===
white paper, compass and colour pencils
+
Non digital: White paper, compass and colour pencils
  
 
===Process (How to do the activity)===
 
===Process (How to do the activity)===

Revision as of 14:42, 16 May 2019

Measuring circumference to understand it as the perimeter of the shape.

Circum.jpg

Objectives

  1. Circumference is the outer boundary of a circle.
  2. It is equivalent to perimeter.

Estimated Time

10 minutes.

Prerequisites/Instructions, prior preparations, if any

Prior knowledge of points, lines and line segments, formation of a circle.

Materials/ Resources needed

Non digital: White paper, compass and colour pencils

Process (How to do the activity)

Instructions to the teachers:

  1. Ask the children to draw circles.

Instructions for the students

  1. Colour circumference by fitting small colour pencil in compass itself.
  • Evaluation
  1. Observe for the skill in using compass and drawing the circle.
  1. Is the distance between the centre of the circle and its circumference constant ?
  2. What is the distance between the center of a circle and its circumference called?