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Session 38: Parallel lines

Session Title

Parallel Palooza

Objective

By the end of the lesson, students will be able to:


  1. Define parallel lines

  2. Identify and draw parallel lines

  3. Distinguish between parallel and non-parallel lines in everyday objects

Concept

Parallel lines -Geometry

Materials Required

  1. Whiteboard and markers

  2. Ruler and pencil for each student

  3. Chart paper with visuals [Real-life objects (books, railway track images, notebook lines)]

  4. Worksheets for practice

Methodology

Activity oriented

Session Duration

 90 Minutes

Intro  Activity  (20 minutes )

GAME TIME : "Parallel or Not?"

How to Play:

Step 1: Human Lines

Divide students into groups of 4–5.

Ask each group to form two straight lines of students standing side by side, facing the same direction.

Say: "Pretend you are lines on the ground. Are you standing the same distance apart all the way? If yes, you’re parallel lines!"

Step 2: Line Detective

Now change it up! Ask one line to slant slightly or move closer at one end.

Ask the class: "Are they still parallel?"

Encourage students to explain why or why not.

Step 3: Rapid Fire Round

Show quick drawings or hold up objects (e.g., a notebook, scissors, a triangle).

Students shout "Parallel!" or "Not Parallel!"

Main Activity (7065 minutes)

Explanation    (15 minutes)

Definition and Properties:

    Parallel lines are lines in a plane that never meet, no matter how far they are extended.

    They are always the same distance apart.

    Use a whiteboard to draw examples and non-examples.

    Types of  Lines ( 10 minutes )

    Teach students the difference:difference

      Parallel lines : never meet.

      Perpendicular line: will cross to make right angle 

      Intersecting lines:  cross at one point, but do not make right angle

      Shapes with Parallel Lines  (10 minutes )

      Basic intro to 2D shapes that have parallel lines:lines

        Rectangle (2 pairs)

        Square (2 pairs)

        Parallelogram (2 pairs)

        Trapezium (1 pair)

        WORKSHEET:-  (10 minutes )

        AD_4nXeVHN8upoJ4YGWg2y_9mJXhD27npfaF3HqiFA36NItUfokX_vzrJeFfjcKnyZqp_SdKfjxUF7S5p0Ro9vtCoPTHpTKeC-2M3LHcIb5IPSU5xD8dndhBYyaNLYfr8sbiOeoFxxHMVg?key=5tHYEeYgzWIaUf5ySDFZk6dN

        ANGLES  (15 minutes)

        AD_4nXcUIAO3c1tKHbogtwOP42ns9GFNcGM5RAwzit4e5c3KZqB37g-y3GI9zqmPwXpvD2U0s-p_xPfB2w8ymHmavH0NiIzduVlw3cdWCoYvl1xdFNzLGYHVN_TE4SU7GWch8bR4R11w?key=5tHYEeYgzWIaUf5ySDFZk6dN

        Review Questions (5 minutes)

          What are parallel lines?
          Which of the following are examples of parallel lines?
          a) Railway tracks
          b) The sides of a triangle
          c) Clock hands at 3 o’clock
          Lines that never meet, no matter how far they are extended, are called ____ lines.

          Follow up Tasks (5 minutes)

            What is the symbol used to show that two lines are parallel?
            (Hint: It's like two short straight lines) Can parallel lines exist in three-dimensional space? How can you tell if two lines are parallel using a ruler or set square?

            Expected Learning  Outcome:

            Knowledge building-

            • Conceptual understanding

            Skill Building-

            • Comparing line types

            • Problem solving


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