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प्रश्न
How much lace will be left in the roll?
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उत्तर
Total length of lace = 100m
Lace used to make 3 table cloths = 12m
Lace left after making of 3 table cloths = 100m – 12m = 88m
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संबंधित प्रश्न
How much wire did Rahmat give to Ganpat?
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?
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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- 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.
- 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?


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is ______ + ______ + ______ + ______
Can we also say that the boundary is 4 × 1 cm?
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)
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- 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.
- Can you cover your book with a smaller sheet?
- Find the smallest sheet which can cover your book. Check if your friend used a smaller sheet than you.
- 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.
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Raghavan has a piece of land.
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