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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 :
- How many squares are there in each shape?
- Which shape covers the least number of squares?
- Which shape covers the most number of squares?
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उत्तर
- 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 - Figure A covers the least number of square which is 1.
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The figure C covers the most number of square which is 3.
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संबंधित प्रश्न
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 left in the roll?
Take a 20 centimetre long thread. Make different shapes by joining the ends. Place on the squared sheet on the next page.

find Out :
- How many squares are there in each shape?
- Which is the biggest shape?
- Which is the smallest shape?
- How long is the boundary of each shape?
- Find the length of the boundary of square D.
- 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?


- 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?
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)
- Write your guess here.
- Now check if your guess was right. How many books could you place?
- What is the difference between your guess and the actual number of books?
- 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.
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- Find the smallest sheet which can cover your book. Check if your friend used a smaller sheet than you.
- Guess how many squares of one centimeter can fill this blue rectangle.

Write your guess here. - Check your guess by filling it with small squares.
Look at the picture. Can you divide it into 4 equal pieces? Each piece should have the same number of squares.

