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प्रश्न
Make pairs of different things and use the balance to decide which is heavier. First guess which thing will take the pan down and then check with your balance.
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उत्तर
The pairs are :
- Socks and trouser - Trouser is heavier.
- Toothbrush and toothpaste - toothpaste is heavier.
- Glass and spoon - Glass is heavier.
- Dictionary and notebook - Dictionary is heavier
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संबंधित प्रश्न
Now, you also make your own balance. Write down how you made it. Also draw a picture of your balance in the box below.
Take a small plastic packet.
Put it in one pan of the balance. Put the soap in the other pan. Slowly add sand to the packet till the pans are balanced.
Close the packet with a rubber band or string. Now stick a strip of paper and write ‘ g’ on it.
Which pan of the balance will go down? Show by drawing an arrow.
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Ritu is weighing her toys. She wants to know if her tractor is heavier than her car. How would you help her to find out quickly?
Now imagine what happened next and complete the story. Discuss with your friends how Vaidika’s daughter found the weight of the elephant.
Anamika wants to weigh this chair using the weighing machine. Can you suggest a way for doing this?
What different things do people go there for?
Akash wants to send a parcel of the Math Magic textbook to his friend Rani in Chennai. The book weighs 200 g. See the chart to find the cost of posting the book.
Rahul needs stamps of Rupees 25 for his parcel. He went to the post office. Only stamps of Rs 1, Rs 2, Rs 5 and Rs 10 were there at that time. Using those stamps in how many different ways can he make Rs 25?
Can you show five different ways? What is the heaviest parcel he can send using stamps of Rs 25?
The chart shows the height and weight of children between 6 and 10 years old.
| Name | Age | Height | Weight |
| Temshula | 6 | 3 feet, 7 inches | 16 kg |
| Sreekunth | 10 | 4 feet, 3 inches | 23 kg |
| Rabiya | 6 | 3 feet, 10 inches | 17 kg |
| Vineet | 8 | 3 feet, 11 inches | 19.5 kg |
| Kavita | 9 | 3 feet, 10 inches | 20 kg |
Now, you also fill the table by finding out the age, height and weight of any five friends.
