Circumference of a circle

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

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?