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प्रश्न
- 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.
उत्तर
- The shapes made by joining two squares are shown here :
There are four types of shapes that can be made by joining two squares. - Following types of shapes can be made by joining three squares.
Seven types of shapes can be made by joining three squares.
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संबंधित प्रश्न
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?
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.
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?
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?
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?
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.
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- Which is the biggest leaf in this picture?
- Collect some leaves from the
garden. Place each of them here on this squared sheet. Trace out their edges and check how many squares there are in each leaf. - Which is the biggest leaf?
- Which is the smallest leaf?
- 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.
