Advertisements
Advertisements
प्रश्न
How much wire did Rahmat give to Ganpat?
Advertisements
उत्तर
The total length of wire = 70 m
Wire used by Rahmat for boundary = 54 m
Wire left = 70 m – 54 m = 16 m
So, Rahmat gave 16 m wire to Ganpat.
APPEARS IN
संबंधित प्रश्न
Rahmat needs to find the length of the boundary of the field.

Can you find it from this picture? See the length of each side written near it.
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.

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?
- 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?

- Try this activity with three squares also.
A square has a boundary of 12 cm.
- 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.
- If you cut a 1 cm square to get shape C, what will be the length of the boundary of C?
![]() |
![]() |
![]() |
![]() |
| Square | New 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?
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 small squares of size 1 cm are there in this big green square?

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




