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प्रश्न
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?
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उत्तर
This can be done by keeping one of the toys in a pan and the other toy in another pan of the balance.
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संबंधित प्रश्न
Mannu and Jaiju put a pencil and geometry box in the two pans of the balance. Which pan will go down? Why? Draw a picture to show it.
Can you find your own weight using this balance?
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.
If you put the soap and the weight you just made together in a pan, how many grams will both these weigh?
Is the weight on any of the pans equal to 1 kilogram? Mark it.
How many grams are there in 1 kg?
Name 5 things that we usually buy -
| In Grams | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 |
| In Kilograms | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 |
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?
A frog was struggling to escape from the mouth of a crow. How can I escape? The frog thought. Suddenly a trick came to his mind. He asked the crow-Are you good at arithmetic? If yes, then I will ask you a problem.
Your weight is 650 g and I am only 145 g. How much do we weigh together? The crow was good at mathematics, so he happily opened his beak to answer.
What happened after that? So what was the answer the crow wanted to give?
