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Question
Look at these pictures. Now look for some other things we get in packets or bottles like these. Make your own list.
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| Packet | How many mL or L? |
| Milk | 500 mL |
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Solution
| Packet | How many mL or L? |
| Milk | 500 mL |
| Cold drink | 1000 mL or 1 L |
| Kissan drink | 500 mL |
| Tomato sauce | 970 mL |
| Eye drop | 5 mL |
| Cough syrup | 100 mL |
| Glue | 100 mL |
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What are Naima and Jeetu doing?
Pot B holds 11 glassfuls of water. Pot A holds twice as much water as pot B. How many glasses of water are needed to fill pot A?
Get a 1 litre bottle (can be an empty bottle of water, oil etc.). Now collect some bottles and a mug, jug, glass, bowl, etc. at your house. Use the 1 litre bottle to check which of these holds more than 1 litre and which one holds less than 1 litre. Make a small drawing if you like.
| Less than 1 litre | More than 1 litre |
| bowl | big cooking pot |
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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