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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.
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उत्तर
To make a balance, I took a strong stick of suitable length, two pans, and strong thread. Pans are tied on both the end of the stick. A hole is made in the middle of the stick and it is tied with a thread. Now my balance is ready.
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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.
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.
Make groups of three things. For example - eraser, ball and paper. Use the balance to arrange them in order of weight-the lightest, the one with in-between weight, the heaviest.
Complete the table with at least five examples.
| Lightest | In-between weight | Heaviest |
| Paper | Eraser | Ball |
Is the weight on any of the pans equal to 1 kilogram? Mark it.
How many grams are there in 1 kg?
Guess and write the weight of each thing he bought - in g or kg.
| Items | Weight |
| Rice | 5 |
| Sugar | 1 |
| Mustard seeds | 10 |
| Wheat | 3 |
| Dal | 500 |
| Tea | 250 |
| Pepper | 25 |
Which is the heaviest thing you have seen?
Have you ever been to a post office?
What different things do people go there for?
| Postal Rates |
| Postal Items | Postal Rates (in Rs.) |
| Single Post Card | 0.50 |
| Printed Post Card | 6.00 |
| Inland Letter | 2.50 |
|
Letter weighing - i) 20 grams or less ii) For every additional 20 grams |
5.00 2.00 |
|
Parcel weighing - i) 50 grams or less ii) For every additional 50 grams |
5.00
3.00 |
How much will you have to pay for stamps on a letter weighing 50 grams?
