English

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

Advertisements
Advertisements

Question

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?
Answer in Brief
Advertisements

Solution

  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.

     
shaalaa.com
Fields and Fences
  Is there an error in this question or solution?
Chapter 13: Fields and Fences - Exercises [Page 153]

APPEARS IN

NCERT Math - Magic [English] Class 4
Chapter 13 Fields and Fences
Exercises | Q 1. | Page 153

RELATED QUESTIONS

Ganpat thanked Rahmat and started fencing his own field. But he needed to get more wire.

How long is the boundary of Ganpat’s field?


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

Ganpat’s wife works in a tailor’s shop. She has to fix lace around a table cloth.

She bought a 100 metre roll of lace.

Look at the picture of the table cloth and tell how much lace is used for one table cloth.


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


How much lace will be left in the roll?


A square has a boundary of 12 cm.

  1. From the corner of this square, a small square of side 1 cm is cut off. Will the boundary of B be less or more? Find its length.
  2. If you cut a 1 cm square to get shape C, what will be the length of the boundary of C?
Square New shape

Look at the table in your classroom. Guess how many Math-Magic books you can place on it.
(Remember-The books should not overlap. Do not leave gaps between the books)

  1. Write your guess here.
  2. Now check if your guess was right. How many books could you place?
  3. What is the difference between your guess and the actual number of books?

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.

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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×