What are segments, rays and lines?

Objectives:

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

Prerequisites/Instructions, prior preparations, if any

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 for 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.