Session 38: Parallel lines

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 (70 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:

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:

Rectangle (2 pairs)

Square (2 pairs)

Parallelogram (2 pairs)

Trapezium (1 pair)

WORKSHEET:-  (10 minutes )

ANGLES  (15 minutes)

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)

Expected Learning  Outcome:

Knowledge building-

• Conceptual understanding

Skill Building-

• Comparing line types

• Problem solving