Brick Calculations

Q. A hockey field is 91 metres 40 cm long and 55 metres wide.
How long(in cm) is the boundary of the field?

1. 29280
2. 14640
3. 9140
4. 5500

Q. 1 kg of tomatoes cost ₹100. How much will a quarter kg of tomatoes cost?

1. ₹100
2. ₹75
3. ₹50
4. ₹25

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

Q. The cost of a single brick is Rs. 50. Meenu needs 500 such bricks to build a wall. Find the total cost of the required bricks.

Q. Mental Math: Bhajan Buys Bricks
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? _______________

• Guess what he will pay if he buys 500 old bricks.

Q. Determine the boundary length(in meters) of the following figure.

1. 9
2. 12
3. 21
4. 36

Q. For the construction of a roof, it needs to be supported by 4 iron rods at 4 corners of the room. If the height of the room is twice the height of Sam, find the estimated total length of all the iron rods.
(Height of Sam = 108 cm)

Q. Given that the length of each brick is 10 cm. Affi wants to make a wall 1 metre long. How many bricks will she need to put in a line?

Q. Practice Time
There are 350 bricks in a hand-cart. Binod found the weight of a brick to be 2 kg. What will be the weight of all the bricks?

Q. How many bricks are needed to complete the pyramid?​

1. 1
2. 3
3. 4
4. 2

Q. Find the length (in cm) of the bed.

1. 180
2. 280
3. 380
4. 480

Q. Alex decided to buy new bricks from Bangalore. How much should he pay to buy four thousand bricks?​

Old bricks – ₹1000 for one thousand bricks ​

New bricks from Hyderabad – ₹1600 for one thousand bricks ​

New bricks from Bangalore – ₹1800 for one thousand bricks

Q. a factory has two automatic brick packaging machines. One packs 24000 bricks per hour and the other packs 12000 bricks per hour. How much time will it take to pack a total of 12000 bricks if both the machines are put to use?

Q. Painting this pot requires $\frac{1}{4}$ L of paint. How many millilitres of paint is needed to paint 4 such pots?

1. 4
2. 1
3. 4000
4. 1000

Q. Take one brick and measure it.
(a) How long is it? _____________________
(b) How wide is it? _____________________
(c) How high is it? _____________________