मराठी

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

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प्रश्न

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?
थोडक्यात उत्तर
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उत्तर

  1. In figure A there are 14 complete squares
    In figure B there are 4 complete squares In figure C there are 15 complete squares In figure D there are 10 complete squares.
  2. Figure ‘C’ is the biggest shape.
  3. Figure ‘B’ is the smallest shape.
  4. Measure the boundary of each shape by placing thread along the boundary of each shape.

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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 2. | पृष्ठ १५३

संबंधित प्रश्‍न

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


How much lace will be used in 3 such table cloths?


How much lace will be left in the roll?


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?


Now look for another table.

  1. Is this table bigger than the last table? Yes/No
  2. Make a guess how many Math-Magic books can be kept on this table.
  3. Check if your guess was correct.
    How many Math-Magic books could you keep?
  4. The difference between the sizes of the two tables is ______ books.

  1. How many Math-Magic books can be covered with one sheet of newspaper?
  2. Try covering your Math-Magic book with half a sheet of newspaper.
  3. Can you cover your book with a smaller sheet?
  4. Find the smallest sheet which can cover your book. Check if your friend used a smaller sheet than you.

  1. Which is the biggest leaf in this picture?
  2. Collect some leaves from the
    garden. Place each of them here on this squared sheet. Trace out their edges and check how many squares there are in each leaf.
  3. Which is the biggest leaf?
  4. Which is the smallest leaf?

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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