What are segments, rays and lines?

Objectives

• Introduce children to the concept of segments, ray and lines.

Prerequisites/Instructions, prior preparations, if any

Please go through chapter - "Basic geometrical ideas".

Resources

videos and any other additional materials

Process

Download this geogebra file from this link.

Students work:

Step 1: First click on check box 1

• What you observed? What is EF here?

Step 2:Click on check box 2

• What you observed? What is AB here?

Step 3:Click on check box 3

• What you observed? What is CD here?

• What do you notice among these pictures/objects?

• Move the window screen by holding left-click on the mouse and move towards right or left.
• Do you find any difference?

Step 4: Click on check box named as 'definitions'

Think about the following questions:

1. Do you think you can draw a complete picture of a line? Why?
2. Can you measure the line?
3. A minimum of how many points are required to fix a line?
4. How many points can be plotted on a line?
5. How many segments can be on a line?
6. Give examples for points, rays, segments and lines in our day-to-day life.
7. How to represent line segments, rays and lines symbolically?

Click here to access the material for this chapter.

Practice work

Solve the given Worksheet

Questions if any?

Please write your questions here.