Advertisements
Advertisements
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.
Advertisements
उत्तर
Length of the boundary
= 9 metre + 15 metre + 21 metre + 9 metre
= 54 metre
APPEARS IN
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?
Here are pictures of some more fields. Find out which one has the longest boundary?

Boundary = ______ metre
Boundary = ______ metre
Boundary = ______ metre
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 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 hockey held is 91 metres 40 cm long and 55 metres wide. How long is the boundary of the held?
Usha and Valsamma are running a race. Usha is running on the inner circle. Valsamma is running on the outer circle.
- Valsamma runs faster than Usha. But still she loses the race. Can you guess why?
- Have you seen any race where runners start from different places – like in this picture? Guess why?
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?
Now look for another table.
- Is this table bigger than the last table? Yes/No
- Make a guess how many Math-Magic books can be kept on this table.
- Check if your guess was correct.
How many Math-Magic books could you keep? - The difference between the sizes of the two tables is ______ books.
- 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.
