मराठी

Find out the length of the boundary of these shapes. (Hint: You can use a thread)

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प्रश्न

Find out the length of the boundary of these shapes. (Hint: You can use a thread)

Now count the squares to find out : 

  1. How many squares are there in each shape?
  2. Which shape covers the least number of squares?
  3. Which shape covers the most number of squares?
थोडक्यात उत्तर
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उत्तर

  1. The number of complete square in figure - A = 1
    The number of complete square in figure - B = 2
    The number of complete square in figure - C = 3
    The number of complete square in figure - D = 2
  2. Figure A covers the least number of square which is 1.
  3.  The figure C covers the most number of square which is 3.

     
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Fields and Fences
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Fields and Fences - Exercises [पृष्ठ १५३]

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एनसीईआरटी Math - Magic [English] Class 4
पाठ 13 Fields and Fences
Exercises | Q 1. | पृष्ठ १५३

संबंधित प्रश्‍न

How much wire did Rahmat give to Ganpat?


How much more wire will Ganpat need for his field?


Here are pictures of some more fields. Find out which one has the longest boundary?




  1. Boundary = ______ metre


  2. Boundary = ______ metre


  3. Boundary = ______ metre


  4. Boundary = ______ metre

Chandu’s father is called the ‘young  old man’ in his village. At 70 years of age, he is fully fit. Do you know his secret? He goes for a walk around the field every morning. Everyday he takes four rounds of Chandu’s field.

What is the total distance he covers?

4 × ______ = ______ m = ______ km


Take a 20 centimetre long thread. Make different shapes by joining the ends. Place on the squared sheet on the next page. 

find Out :

  1. How many squares are there in each shape?
  2. Which is the biggest shape?
  3. Which is the smallest shape?
  4. How long is the boundary of each shape?

  1. How many different shapes can you make by joining two squares? Draw them on the squared sheet given below. How long is the boundary of each shape?
  2. Try this activity with three squares also.

  1. Find the length of the boundary of square D.
  2. 8 squares of side 1 cm are cut out of the square D. Now it looks like shape E. What is the length of the boundary of shape E?
     
  3. The boundary of this    is ______ + ______ + ______ + ______
    Can we also say that the boundary is 4 × 1 cm?

A hockey held is 91 metres 40 cm long and 55 metres wide. How long is the boundary of the held?


How will Neetu find out if the two gardens are equally big?


Raghavan has a piece of land.

There are 4 houses on his land and in the middle there is a well. He wants to divide this land equally among his four children. Each should get one house and be able to use the well without entering the, other’s land. Can you help him divide the land?

Give different colours to each one’s share.


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