04 Maths Ncert CH 01 Building With Bricks Ques
04 Maths Ncert CH 01 Building With Bricks Ques
04 Maths Ncert CH 01 Building With Bricks Ques
Read the following passage and answer the questions that follow:
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Q2. In which pattern can you show mirror halves? Draw a line.
Ans. In pattern h. we can show mirror halves. Dotted line in the figure shows the mirror
line.
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Q1. In one photo we can see only one face of the brick. In the other we can see three
faces. Circle the photo showing three faces.
Q8. Can you make a drawing of a brick which shows 4 of its faces. ?
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Q2. Now match the photo of each wall with the correct drawing in the books:
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Q1. How many different ‘jaali’ patterns can you see in these two photos?
Ans. Five different ‘jaali’ patterns can be seen in these two photos.
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Q2. Now draw some jhorokha patterns on the wall here. You can shade it black.
Ans.
Find Out
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Q1. Look for other arches around you and draw them.
Ans. Yes, the jaali of this window is beautiful. Yes, I have seen thin brick in some very old
buildings and forts.
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Ans. Bricks 1 and 2 from the top left have curved edges.
Q3. Is there any brick which has more than six faces?
Ans. Yes, there is a brick having more than six faces. It has a broken part which increase the
number of faces.
Q2. Muniya wants to make a wall I meter long. How many bricks will she beed to put in
a line?
Ans. She needs more than 4 bricks but less than 5 bricks to make a wall 1 metre long.
Q1. Ganesh and Sahiba live near a kiln where bricks are made.
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Q. 1 Here are four pictures form the brick kiln. These pictures are jumbled up. Look at
them carfully.
Ans. The correct order in which a brick is made out of soil dug form the earth is : C, D, B and
A.
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Q1. Have you seen a brick kiln? Did you try to guess the number of bricks kept there?
Ans. Yes, I have seen a brick kiln. There may be more than one lakh bricks kept in brick kiln.
Find Out
Q1. Look at these photos (given in book) and guess how many brick are carried by this
truck.
Q2. Also find out form a truck driver how many bricks they can carry in one truck.
Ans. A truck driver tells that he carries nearly five thousand bricks in his truck.
Q3. Bhajan decided to buy the new bricks form Brickabad. He bought three thousand
bricks. How much did pay ?
Ans. Bhajan has to pay (2.000 X 3) = Rs. 6,000 for three thousand new bricks.