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Session 26: Polygons

Session Title

Polygons 

Objective
    • Identify and describe key characteristics of lines, triangle, square, rectangle, pentagon, and hexagon.
    • Recognize and find these shapes in the environment.
    • Construct basic 2D shapes using various materials.

Concept

To understand what is line, triangle, rectangle, square, pentagon and hexagon.

Materials Required
    1. Chart paper/whiteboard and markers
    2. Shape flashcards
    3. Popsicle sticks, pipe cleaners, yarn, glue
    4. Paper cutouts of shapes
    5. Construction paper, scissors, glue sticks
    6. Crayons/markers

Methodology

Learning through activity

Session Duration

12090 Minutes

  

 

Intro  Activity (30 min)


Teacher asks the students,Havehave you ever seen train tracks or the edge of a ruler? Those are straight and go on and on. That's what a line looks like in math!”



You can also show things like:


A laser beam in cartoons


A tightrope



So, line is  straight and endless in both directions (introduce this simply


Show lines in the classroom (edge of table, window frames)


Draw this on the board:


<-------------------------->

         A                 B


Say:


> “This is a line. The arrows mean it keeps going forever. Even though we see just a part of it, imagine it neverObjectivenever objective

Draw examples: straight line, curved line, zigzag line.


Then use flashcards to introduce each shape:  triangle, square, rectangle, pentagon, hexagon


For each shape:


Show shape visually.


Count sides and corners.


Ask: “What does it remind you of?” (Ex: “A triangle looks like a slice of pizza.”)      

            

Draw examples from real life (windows, stop signs, etc.)



Mini Activity: Ask students to find one object in the classroom that matches one of the shapes.



Main Topic/ Activity


Build-a-Shape with Lines (35 minutes)


From Lines to Shapes” Group Challenge


Students work in small teams.


Provide materials: sticks, pipe cleaners, or yarn for lines; clay balls or stickers for corners.


Task: Use lines to build these shapes:


Triangle (3 lines)


Square (4 equal lines)


Rectangle (2 short, 2 long lines)


Pentagon (5 lines)


Hexagon (6 lines)


Group Roles


Connector (adds clay/sticker)


Shape Checker (counts sides)


After each shape, pause and reflect:


“How did your group work together?”


“What made this shape different from the one before?”




Shape Collage & Self-Expression (30 minutes)

My Shape World


Students create a drawing or collage using at least 4 different shapes to make a scene (e.g. robot, house, city, animal).


Encourage labeling each shape and writing how many sides it has.


Gallery Walk & Wrap-Up Discussion (15 minutes)


Students walk around, observe others’ creations, and leave a kind sticky note (“I love your triangle sun!”).


Expected Learning  Outcome:

Knowledge building-


  • Define and identify a line.


  • Understand that 2D shapes are made of lines connected at points.


  • Recognize and build basic 2D shapes using lines.


Skill Building-


  • Creative thinking

  • Emotional awareness 

  • Teamwork

  • Empathy


Review Questions/Assessment/Tasks 


Follow up Tasks(10 min)


Find and draw 1 item at home that looks like each of these shapes:


Triangle: __________________ (Draw it)


Rectangle: ________________


Square: ___________________


Pentagon: ________________


Hexagon: _________________

 
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