मराठी

How many Math-Magic books can be covered with one sheet of newspaper? Try covering your Math-Magic book with half a sheet of newspaper. Can you cover your book with a smaller sheet? Find the smalles

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प्रश्न

  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.
थोडक्यात उत्तर
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उत्तर

  1. 4
  2. Do it yourself.
  3. Yes
  4. Do it yourself.
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Fields and Fences
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Fields and Fences - Exercises [पृष्ठ १५८]

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एनसीईआरटी Math - Magic [English] Class 4
पाठ 13 Fields and Fences
Exercises | Q 3. | पृष्ठ १५८

संबंधित प्रश्‍न

How much wire did Rahmat give to Ganpat?


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?


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?

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


  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?

  1. How many small squares of size 1 cm are there in this big green square?


  2. Can you think of a faster way to know the total number of small squares without counting each.

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