ગુણોત્સવ ૨.0 ખુબજ મહત્વની pdf ફાઈલ Gunotsav 2.0 All information in one file

STD 4 MATHS: 

EKAM: 1 INTO NI IMARAT

એકમ: 1 ઇંટોની ઇમારત

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NCERT Class 4 Maths Chapter 1 Building with Brick Solutions

NCERT book Page No: 2

Question: 1

Which floor pattern do you like the most?

Answer: Pattern 5 looks familiar, so I like pattern 5.

Question: 2

Have you seen such patterns anywhere?

Answer: Yes, I have seen this type of pattern in mosques.

NCERT book Page No: 3

Question: 3

Which pattern is made in a circle?

Answer: Pattern J is made in a circle

NCERT book Page No: 4

Question: 4

How to draw a brick?

Answer: Drawing a brick is shown below

Question: 5

How many faces in all does a brick have?

Answer: There are six faces in a brick.

Question: 6

Is any face of a brick a square?

Answer: No, a face of a brick has no square face.

Question: 7

Draw the smallest face of the brick.

Answer: The smallest face of the brick is being drawn below

Question: 8

Which of these are the faces of a brick? Mark a (Right)

Answer:

Question: 9

Which of these is a drawing of a brick? Mark a (Right)

Question: 10

Make a drawing of this box to show 3 of its faces.

Answer: Drawing of this box to show 3 of its faces is shown below

Question: 11

Can you make a drawing of a brick which shows 4 of its faces?

Answer: No, we cannot draw a brick which shows 4 of its faces.

NCERT book Page No: 5

Question: 12

What do you think? Which wall will be stronger?

Answer: The wall made by Zainab will be stronger than Muniya

NCERT book Page No: 6

Looking through a Brick ‘jaali’

The masons who built Jagriti School had also made different ‘jaali’ patterns on the walls.

Question: 13

How many different ‘jaali’ patterns can you see in these two photos?

Answer: There are five jaali patterns in the given two photos

NCERT book Page No: 9

Question: 14

Have you seen arches in a bridge?

Answer: Yes, have seen arches in a bridge

Question: 15

Where else have you seen an arch?

Answer: I saw arches in old bridges. In Jaunpur, one of such bridges is situated on the river Saryu.

Question: 16

Isn’t the ‘jaali’ of this window beautiful? It is made of thin bricks. Have you ever seen thin bricks? Look around

Answer: The ‘jaali’ of the window is very beautiful. Yes, I have seen thin bricks. These thin bricks are used in Red Fort situated in Delhi.

NCERT book Page No: 10

Question: 17

Which of these bricks have curved edges?

Answer: The bricks 1 and 2 from top left have curved edges in the given figure

Question: 18

How many faces do you see of the longest brick?

Answer: Only one face of the longest brick can be seen in the given figure

Question: 19

Is there any brick which has more than six faces?

Answer: No, there is no bricks with more than six faces in the given figure.

Question: 20

Have you seen bricks of different sizes?

Take one brick and measure it.

(a) How long is it?

Answer: It is 10 inches in length

(b) How wide it is?

Answer: It is 4 and half inches wide

(c) How high is it?

Answer: It is 3 inches in height

Question: 21

Muniya wants to make a wall 1 metre long. How many bricks will she need to put in a line?

Answer: She needs 4 bricks to make a wall 1 metre long

Question: 22

Can you guess how high is the chimney here? Is it:

(a) about 5 metres?

(b) about 15 metres?

(c) about 50 metres?

Answer: The chimney is about 50 metres high in the given figure

NCERT book Page No: 11

Question: 23

Here are four pictures from the brick kiln. These pictures are jumbled up. Look at them carefully. Write the correct order

Answer: The correct order of the given figure is C, D, B and A i.e

NCERT book Page No: 12

Question: 24

Have you seen a brick kiln? Did you try to guess the number of bricks kept there?

Answer: Yes, I saw a brick kiln. There may be more than one lakh bricks kept in brick kiln.

Question: 25

Can you write the number one lakh?

Answer: One lakh is written as 100000

Question: 26

Look at these photos and guess how many bricks are carried by this truck.

Also find out from a truck driver how many bricks they can carry in one truck.

Answer: According to truck driver, he can carry 4000 bricks in a truck.

Bhajan went to buy bricks. The price was given for one thousand bricks. The prices were also different for different types of bricks.

Old bricks – Rs 1200 for one thousand bricks

New bricks from Intapur – Rs 1800 for one thousand bricks

New bricks from Brickabad – Rs 1200 for one thousand bricks

Question: 27

Bhajan decided to buy the new bricks from Brickabad. He bought three thousand bricks. How much did he pay?

Answer: Bhajan has to pay Rs 3600 for three thousand bricks

Question: 28

Guess what he will pay if he buys 500 old bricks

Answer: Bhajan pays Rs 600, if he buys 500 old bricks

Frequently Asked Questions on NCERT Solutions for Class 4 Maths Chapter 1

Describe the brick patterns present in the old tomb of Murshid Kuli Khan as in Chapter 1 of NCERT Solutions for Class 4 Maths.

The old tomb of Murshid Kuli Khan has a big floor with about two thousand beautiful brick patterns. These were made by masons long back – about three hundred years ago. There were patterns made in circles, square, rectangles and also patterns having showing mirror halves.

How to draw a brick as described in Chapter 1 of NCERT Solutions for Class 4 Maths?

To draw a brick, we need to have 2 different photos. One photo showing one face of the brick, and the other showing three faces of the brick. So, now having the length, breadth and height of the brick, students can draw a 3-dimensional representation of the brick, a cuboid.

What is the size of a brick as discussed in Chapter 1 of NCERT Solutions for Class 4 Maths?

The standard modular size of common building brick is 190 mm x 90 mm x 90 mm (length x width x height). There are different kinds of bricks having curved edges, flat long faces and more than six faces.