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प्रश्न
Have you seen a one-liter water bottle?
Collect a 1-liter bottle and some other small bottles. Guess how many times you have to pour from each of the small bottles to fill the liter bottle.
Check if your guess is correct and fill the table.
| Bottles | My guess | My measure |
| Bottle 1 | ||
| Bottle 2 | ||
| Bottle 3 | ||
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उत्तर
Yes. I have seen water bottle of one liter.
| Bottles | My guess | My measure |
| Bottle 1 | 100 mL | 100 mL |
| Bottle 2 | 500 mL | 500 mL |
| Bottle 3 | 1 L | 970 L |
| Bottle 4 | 2 L | 2 L |
| Bottle 5 | 1.5 L | 1.5 L |
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संबंधित प्रश्न
Look at the buckets, mugs, glasses and other things in your house. Guess how much water each can hold. Check if your guess is right by using your measuring bottle.
| My Guess | My Measure | |
| Mug | ||
| Glass | ||
| Pot | ||
Neetu has to take 3 injections a day for 5 days. One injection gives 5 mL of the medicine to your body.
- How much medicine will she need for one day?
- How much medicine in all for 5 days?
Radha's grandma was ill. The doctor gave her a bottle with 200 mL of medicine. She has to take the medicine every morning for 10 days.
How many milliliters of medicine does she have to take every morning?
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What are Naima and Jeetu doing?
Mark A, B, C on the right hole in the picture.
If jugs are used, hole A gets filled with 5 jugs. How many jugs of pebbles are needed to fill hole B?
Select the one which holds more water.
Do you want to know how the water in the 
pitcher came up?
Take two 
glasses of the same size.
Fill half of each glass with water.
You have to put tamarind (imli) seeds in the first glass to raise the
water to the top. Guess how many seeds you will need to put in.
Now, do it. Count the number of seeds used.
Now put the same number of marbles in the second glass.
What happens?
Repeat it with stones.
What happens now? Why?
Talk about it in the class.
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 |
 |
Guess and then find out:
How many mugs of water fill one bucket?
Chirpy crow was very thirsty. It looked everywhere but could not find water. Suddenly it saw a 
pitcher (matka). When it tried to drink water, it found there was very little water in the 
pitcher.
It saw 
pebbles lying nearby.
It put the pebbles into the pitcher one by one.
The water came up 
.
Chirpy drank water and flew away.
What will you do if you were at the crow's place?
