1. Learning Objectives (अधिगम उद्देश्य)
By the end of this lesson, students will be able to:
English
Students will:
- Understand the meaning of geometry.
- Identify basic 2D and 3D shapes.
- Identify sides, corners (vertices), and curved surfaces.
- Draw simple geometric shapes.
- Recognize shapes in their surroundings.
- Compare shapes based on their properties.
हिन्दी
विद्यार्थी:
- ज्यामिति का अर्थ समझ सकेंगे।
- समतल (2D) तथा ठोस (3D) आकृतियों की पहचान कर सकेंगे।
- भुजाएँ, कोने (शीर्ष) तथा वक्र सतह पहचान सकेंगे।
- सरल ज्यामितीय आकृतियाँ बना सकेंगे।
- अपने आसपास की वस्तुओं में आकृतियों की पहचान कर सकेंगे।
- आकृतियों की विशेषताओं की तुलना कर सकेंगे।
2. Previous Knowledge (पूर्व ज्ञान)
Students already know:
English
- Basic drawing
- Numbers
- Objects around them
हिन्दी
- चित्र बनाना
- संख्या ज्ञान
- दैनिक जीवन की वस्तुएँ
3. Teaching Learning Materials (शिक्षण सामग्री)
- Shape flash cards
- Wooden blocks
- Ball
- Dice
- Cube
- Cylinder
- Cone
- Chart paper
- Colour papers
- Scale
- Blackboard
- Worksheets
4. Vocabulary (शब्दावली)
English
हिन्दी
Geometry
ज्यामिति
Shape
आकृति
Side
भुजा
Corner (Vertex)
कोना / शीर्ष
Line
रेखा
Curve
वक्र
Circle
वृत्त
Square
वर्ग
Rectangle
आयत
Triangle
त्रिभुज
Cube
घन
Cuboid
घनाभ
Sphere
गोला
Cylinder
बेलन
Cone
शंकु
DAY 1 – Introduction to Geometry (ज्यामिति का परिचय)
Learning Objective
Students will understand what geometry is and identify common shapes around them.
Introduction Activity (प्रस्तावना)
Teacher shows:
📘 Book
⚽ Ball
📦 Box
🪙 Coin
Ask:
- What is the shape of the book?
- What is the shape of the coin?
- Which object is round?
Study Material
What is Geometry? (ज्यामिति क्या है?)
English
Geometry is the branch of Mathematics that deals with shapes, sizes and positions of objects.
Everything around us has a shape.
Examples:
- Coin → Circle
- Door → Rectangle
- Window → Square
- Ice cream cone → Cone
- Football → Sphere
हिन्दी
ज्यामिति गणित की वह शाखा है जिसमें आकृतियों, उनके आकार तथा उनकी स्थिति का अध्ययन किया जाता है।
हमारे आसपास की प्रत्येक वस्तु की कोई न कोई आकृति होती है।
उदाहरण:
- सिक्का → वृत्त
- दरवाज़ा → आयत
- खिड़की → वर्ग
- आइसक्रीम कोन → शंकु
- गेंद → गोला
Activity
Students look around the classroom and list objects with different shapes.
DAY 2 – 2D Shapes (समतल आकृतियाँ)
Concept Explanation
Circle (वृत्त)
- No sides
- No corners
Example:
Clock, Coin
Triangle (त्रिभुज)
- 3 sides
- 3 corners
Example:
Traffic sign
Square (वर्ग)
- 4 equal sides
- 4 corners
Example:
Chessboard
Rectangle (आयत)
- 4 sides
- Opposite sides are equal
Example:
Door
Summary Table
Shape
Sides
Corners
Circle
0
0
Triangle
3
3
Square
4
4
Rectangle
4
4
हिन्दी
आकृति
भुजाएँ
कोने
वृत्त
0
0
त्रिभुज
3
3
वर्ग
4
4
आयत
4
4
Activity
Draw different shapes using coloured paper.
Practice
Draw:
- Circle
- Triangle
- Square
- Rectangle
Write number of sides and corners.
DAY 3 – 3D Shapes (ठोस आकृतियाँ)
Study Material
Cube (घन)
Example:
Dice
Faces = 6
Cuboid (घनाभ)
Example:
Book, Brick
Sphere (गोला)
Example:
Ball
No edges
Cylinder (बेलन)
Example:
Water bottle
Cone (शंकु)
Example:
Ice cream cone
हिन्दी
घन
उदाहरण:
पासा
घनाभ
उदाहरण:
पुस्तक
गोला
उदाहरण:
गेंद
बेलन
उदाहरण:
डिब्बा
शंकु
उदाहरण:
आइसक्रीम कोन
Activity
Students observe classroom objects and identify their 3D shapes.
DAY 4 – Sides, Corners and Lines
Concept Explanation
Side (भुजा)
A straight boundary of a shape.
Corner (Vertex)
The point where two sides meet.
Line (रेखा)
A straight path extending in both directions.
Curved Line (वक्र रेखा)
A bent line without sharp corners.
Activity
Identify:
- Straight lines
- Curved lines
- Corners
using classroom objects.
Practice
Count:
- Sides of a triangle
- Corners of a square
- Sides of a rectangle
DAY 5 – Geometry Around Us
Real-Life Applications
Object
Shape
Coin
Circle
Door
Rectangle
Window
Square
Ball
Sphere
Dice
Cube
Brick
Cuboid
Ice Cream Cone
Cone
Tin Can
Cylinder
Classroom Activities
Activity 1 – Shape Hunt
Students find objects of different shapes in the classroom.
Activity 2 – Draw and Colour
Draw:
- Circle
- Triangle
- Square
- Rectangle
Colour them.
Activity 3 – Match the Shape
Match:
Ball → Sphere
Book → Cuboid
Coin → Circle
Dice → Cube
Worksheet
A. Fill in the Blanks
- A triangle has _____ sides.
- A square has _____ equal sides.
- A circle has _____ corners.
- A rectangle has _____ corners.
- A ball is a _____.
B. Match
Object
Shape
Coin
Circle
Dice
Cube
Ball
Sphere
Book
Cuboid
Bottle
Cylinder
C. Write the Number of Sides and Corners
Shape
Sides
Corners
Triangle
____
____
Square
____
____
Rectangle
____
____
Circle
____
____
D. Draw
- Circle
- Square
- Triangle
- Rectangle
E. Word Questions
- Which shape has no corners?
- Which shape has three sides?
- Which object looks like a cylinder?
- Name two objects shaped like a sphere.
Homework (गृहकार्य)
- Draw and colour:
- Circle
- Square
- Rectangle
- Triangle
- Write five objects found at home and mention their shapes.
- Collect pictures of five objects and paste them according to their shapes.
- Make a shape chart using coloured paper.
Assessment (मूल्यांकन)
Oral Questions
- What is Geometry?
- Name any four 2D shapes.
- Name any three 3D shapes.
- How many sides does a square have?
- Which shape has no corners?
Learning Outcome Checklist
Skill
Achieved
Identifies 2D shapes
☐
Identifies 3D shapes
☐
Counts sides and corners correctly
☐
Relates shapes to real-life objects
☐
Draws basic geometric shapes neatly
☐
Teacher Reflection
Students actively participated in identifying shapes around them and enjoyed the shape hunt and drawing activities. Most learners could distinguish between 2D and 3D shapes, identify sides and corners, and relate geometric shapes to everyday objects. Additional hands-on activities with models and shape sorting will be provided for learners who require further support.