Shapes Around Us – Class 2 Maths Chapter 2 Notes & NCERT PDF

Class 2MathematicsChapter 2NCERT book: Joyful Mathematics - Class 2

Notes and a simple summary of Chapter 2 of the NCERT Class 2 Mathematics book, with the official chapter PDF, flashcards, an MCQ quiz and an AI tutor for your doubts.

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Chapter 2: Shapes Around Us

Introduction

Shapes Around Us helps Class 2 children notice solid (3D) shapes in things they see every day. It begins with musical instruments — a drum, a matka, a shehnai, a harmonium — and asks which ones look alike. Children then learn about the faces, edges and corners of objects through a story about decorating a gift box.

What's in this Chapter

Musical instruments and shapes: children circle instruments shaped like a drum, tick those shaped like a matka, find the shape of a shehnai, and compare how a harmonium is different from a drum. The teacher's note explains that a drum and tabla are played by beating, a guitar and sitar with strings, and a shehnai and flute by blowing air.

Match with solid shapes: instruments and objects are matched with a cube, cuboid, cone, cylinder or sphere.

Heena and Atif's gift box: they want to decorate a box for a friend's birthday. They put one star on each face — "It has 6 faces so we need 6 stars." They put a ribbon on each edge — they need 12 ribbons, some short and some long. They put pompom balls on the 8 corners.

Let us Do / Let us Think: children count how many stars (faces), ribbon stripes (edges) and pompom balls (corners) other shapes would need, and fill a table for cube, cuboid, cone, cylinder and sphere.

Touch and Tell — Who am I? A blindfolded child picks an object from clues such as "an object with one corner".

Name the objects that have no corners, one corner, three corners and so on.

Project Work: make an object with four faces from cardboard, and try to make an object with one face.

Key Ideas

Things around us have shapes such as cube, cuboid, cylinder, cone and sphere.

A face is a flat or curved surface of an object.

An edge is where two faces meet.

A corner is a point where edges meet.

A box (cuboid) has 6 faces, 12 edges and 8 corners; a ball (sphere) has no corners and no edges.

Activities from the Book

Matching musical instruments with solid shapes.

Counting stars, ribbons and pompoms needed to decorate different shapes.

The blindfold "Touch and Tell" game.

Making shapes with clay or dough that have one, two, three or no corners.

Words to Learn

Shape (आकार)

Face (फलक / सतह)

Edge (किनारा)

Corner (कोना)

Cube (घन) — like a dice

Cuboid (घनाभ) — like a chalk box

Cylinder (बेलन) — like a drum

Cone (शंकु) — like a party cap

Sphere (गोला) — like a ball

Matka (मटका) — a clay pot

Tips for Parents & Teachers

Let children touch the surfaces, edges and corners of a chalk box, duster and chalk, as the book suggests.

Collect kitchen items (a tin, a ball, a box, an ice-cream cone) and sort them by shape.

Wrap a small box and let the child stick one sticker on each face and count them.

Talk about local musical instruments and how they are played.

Common Mistakes

Calling a solid box a "rectangle" — a rectangle is flat; a box is a cuboid.

Counting only the faces that can be seen and forgetting the bottom and back faces.

Thinking a ball has one corner — a sphere has no corners at all.

💡 Key Learning Points

✓Recognise solid shapes — cube, cuboid, cylinder, cone and sphere — in everyday objects.
✓Find faces, edges and corners of objects by touching and counting.
✓Know that a box has 6 faces, 12 edges and 8 corners.
✓Compare objects by their shapes, e.g. a drum and a harmonium.
✓Sort objects by the number of corners they have.

👨‍🏫 Teaching Tips

→Start with real musical instruments or pictures and ask which ones look alike.
→Let children feel the surfaces, edges and corners of a chalk box, duster and chalk.
→Act out the gift-box story with a real box, stars, ribbons and pompoms.
→Play the blindfold Touch and Tell game with objects of different shapes.
→Ask children to make shapes with clay or dough that have one, two, three or no corners.
→Discuss locally available instruments and how they are played — beating, strings or blowing.
→Use the project work: make a four-faced object from a cardboard sheet.

📋 Assessment Questions

Can the child name a cube, cuboid, cylinder, cone and sphere from real objects?
Can the child count the faces, edges and corners of a box correctly?
Can the child name objects with no corners and with one corner?
Can the child explain how a drum is different in shape from a harmonium?

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