NCERT Solutions for Class 2 Maths Chapter 1

1. What is Long, what is Round?

Team A says pencil

Do you also think so? Now you think of a different answer for Uncle Meeku's question

Ans: Yes, I think the pencil is the right answer because pencils, pens, lipsticks, and crayons have a pipe-like shape with one end pointed and other end flats.

2. A child from team A puts his hand in the bag. Others in team A have to guess. Can you help them?

Ans: An object with no corners can be a spherical body like a ball or a lemon.

3. Now you play this game in your class. Take turns to name two things-one long and one round. Do not repeat things that others have named.

Ans: Tennis balls, tomato, beads, eggs, marbles and orange are round things.

Candle, battery chalk, wickets, and container are long things.

4. Look at the things around you

Write below

Ans:

5. Does a coin roll? Does it slide? Try.

Ans: Yes, a coin can slide as well as roll.

6: Can you make a 1- rupee coin stand like this?

(Image will be uploaded soon)

Ans: No, I cannot make a 1- rupee coin stand as shown in the picture.

NCERT Solutions for Class 2 Maths Chapter 1 What is Long

A Few Glimpses of Class 2 Maths Chapter 1 – What is Long, What is Round,

Class 2 Maths Chapter 1 – What is Long, What is Round, is about the concept of shapes and the features or properties of shapes. The chapter explains about the length and circular shapes.

There are many shapes and sizes of objects that we see around us all the time. Some are long and some are round. There are many other shapes and sizes but for now we will discuss long and round only. 

Example: A cricket bat is long and a ball is round. 

Let us list out some more objects that are long and round in our surroundings.

Certain shapes can roll and slide. Shapes that roll, are circular and shapes that cannot roll have slides.

Example:   

A Wheel rolls

A Ball rolls

Book Slides

Paper slides

Wheels and balls can roll because they are circular in shape whereas books and papers are slide because they are not circular in shape. They are flat in shape. They are long in shape and they have edges.

You can play a game with your friends. You can tie your eyes with a piece of cloth turn by turn and guess the shapes of the objects around you. 

The Physical Properties of Long Things and Round Things

• Long things are flat.

• Long things have corners.

• Long things have edges.

• Long things have faces.

• Round things have no corner.

• Round things are circular.

• Round things have no edges

• Round things have only one face.

Examples: A matchbox has sharp edges. It cannot roll. It can only slide. A plate is flat and can roll.

Some objects can both roll and slide. 

Example: CD, bottle cap, buttons, pencils, etc. These objects can both roll and slide because these objects have both circular faces as well as flat faces. 

Stacking

Stacking means to organize objects on top of one another. It is an orderly pile of objects. 

Some objects can be stacked easily because they have a smooth surface. For example: coins, whereas rounded objects cannot be stacked on one another. If the objects don’t have a smooth surface they cannot be stacked. For example: apple. 

You can look around and see which objects are long or round and which can be stacked or cannot be stacked. 

Conclusion

In this lesson, children will learn to observe and identify objects of different shapes and sizes. Students will now be able to describe the physical properties of shape and similarities and dissimilarities between the shapes. We also learn that objects that have a broader base are more stable and can be stacked properly. This concept will help students to build a foundation for geometrical shape in higher classes.