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Question
How much do we use at a time?
| Eye drops | We use less than 1 mL at a time. |
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Solution
| Eye drops | We use less than 1 mL at a time. |
| Cough syrup | We use 5 mL at a time. |
| Tea | We use about 40 mL at a time. |
| Milk | We take about 200 mL at a time. |
| Water | We drink about 250 mL at a time. |
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RELATED QUESTIONS
List things we use more than one litre at a time.
- Water for taking bath.
- __________________
- __________________
- __________________
How much water do you think we waste through a leaking tap?

Naima thinks she will have to pour around 3 glasses of water to fill the jug. What do you think?

Naseem had to fill her bottle 16 times from the tap. But Abdul had to fill his bottle only 8 times.
Why did Naseem go more times than Abdul?

Naseem's bottle can hold ______ as much water as Abdul's bottle.

Mark A, B, C on the right hole in the picture.
There is a fair in Chaitra's village. Chaitra, Nazim and Aneesh want to put up a stall to sell lemon drink. They make a
bucket full of lemon drink.
They use two
different sizes of glasses.

Nazim found that two big
glasses fill the
jug.
Shabnam wants to buy one
jug full of lemon drink.
How much does she need to pay?
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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Find out how much water (in mugs or buckets) is used in your house for each of the following.
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| ______ | ______ | ______ | ______ |







