Worksheet Solutions: Building With Bricks - 1

# Worksheet Solutions: Building With Bricks - 1 - Mathematics for Class 4: NCERT

### Q1: Multiple Choice Questions (MCQs).

(i) Which of the following are the faces of a brick?
(a)

(b)

(c)

(d)

Ans:
(b)

(ii) Circle the longest brick.
(a)

(b)

(c)

(d)

Ans: (b)

(a) Stone
(b) Soil
(c) Wood
(d) Glass

Ans: (b)
Bricks are made from clayand soil.

(iv) There are four very old cave paintings. Which one is oldest?

(a) 4200 years old
(b) 8500 years old
(c) 1500 years old
(d) 5800 years old
Ans:
(b)

(v) Which of these are the faces of a brick which is used for wall construction?
(a)

(b)

(c)

(d)

(e)

Ans:
(c, e)
Faces of a brick are rectangular in shape.

### Q2: Fill in the Blanks.

(i) One hundred thousand bricks = 1 ______ bricks.
Ans:
1 lakh (1,00,000)

(ii) A brick has __________ faces.

Ans: 6
Shape of a brick is like a cuboid having 6 faces.

### Q3: Answer the following Questions.

(i) One brick cost ₹ 15/-
20 bricks cost  ₹

Ans:  20 × 15 = Rs 300

(ii) Muniya wants to make a wall 1 meter long. If the length of a brick is 20 cm then tell how many bricks will she need to put in a line?

Ans: Length of wall in cm = 100 cm
Length of one brick = 20 cm
Therefore, Number of bricks = 100 ÷ 20 =5 cm

(iii) A contractor pays ₹ 5000 for 500 bricks. Find out the cost of 1 brick?
Ans:
Cost of one brick = Rs 5000 ÷ 500 = Rs 10

(iv) 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 2000 for one thousand Bricks.
What is the price of 1000 new bricks from Intapur?
Ans:
Rs 1800

(v) 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 2000 for one thousand Bricks.
Bhajan decided to buy the new bricks from Brickabad. He bought three thousand bricks. How much did he pay?
Ans:
Price of 1000 new bricks from Brickbad = 2000
So, Price of 3000 bricks from Brickbad = 2000 x 3 = 6000

(vi) 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 2000 for one thousand Bricks.
Tell me what he will pay if he buys 2000 new bricks from Intapur.
Ans:
Price of 1000 new bricks from Intapur = Rs 1800
So, price of 2000 new bricks from Intapur = 2 x 1800 = 3600

(vii) Which of the two walls is stronger?
Ans: Wall 1 is stronger than Wall 2 because of the arrangement of bricks.

(viii) If a brick costs ₹ 5/-, then what is the cost of 350 bricks?
Ans:
Cost of 350 bricks = 5 × 350 = Rs 1750

(ix) Draw the smallest face of a brick.
Ans: Smallest face of a brick looks like

(x) Which of the following patterns is/are symmetrical in nature?

Ans: All of the above patterns are symmetrical in natural. Lines of symmetrical can be drawn in each of them.

(xi) In the given wall how many bricks are used?
Ans:
30 bricks

(xii) Is any face a square?
Ans:
No face of a brick is a square.

(xiii) A brick has more than six corners. (Yes/No)
Ans:
Yes
A brick is of the shape of a cuboid which has 8 corners.

The document Worksheet Solutions: Building With Bricks - 1 | Mathematics for Class 4: NCERT is a part of the Class 4 Course Mathematics for Class 4: NCERT.
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## Mathematics for Class 4: NCERT

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## FAQs on Worksheet Solutions: Building With Bricks - 1 - Mathematics for Class 4: NCERT

 1. How to choose the right type of bricks for building?
Ans. To choose the right type of bricks for building, consider factors like the strength required, weather conditions, and the type of project. For example, solid bricks are suitable for load-bearing walls, while hollow bricks are better for non-load-bearing walls. Clay bricks are ideal for areas with high rainfall as they have good water resistance.
 2. What is the average lifespan of a brick building?
Ans. The average lifespan of a brick building can vary depending on various factors such as maintenance, weather conditions, and construction quality. However, with proper care and maintenance, a brick building can last for several decades, even up to a century or more.
 3. How can I ensure the durability of a brick building?
Ans. To ensure the durability of a brick building, it is important to use high-quality bricks, proper mortar, and follow correct construction techniques. Additionally, regular maintenance such as repointing mortar joints, preventing water seepage, and addressing any structural issues promptly can help prolong the lifespan of the building.
 4. Are bricks eco-friendly for construction?
Ans. Bricks can be considered eco-friendly for construction as they are made from natural materials such as clay or shale, which are abundant and renewable. Additionally, bricks have a long lifespan, can be recycled, and have good thermal properties, reducing the need for excessive heating or cooling in buildings.
 5. Can bricks be used for both exterior and interior walls?
Ans. Yes, bricks can be used for both exterior and interior walls. They provide excellent structural strength, fire resistance, and sound insulation. However, for interior walls, there are options like brick veneer or thinner bricks that can be used to save space while still achieving the desired aesthetic.

## Mathematics for Class 4: NCERT

25 videos|84 docs|41 tests

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