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प्रश्न
Tanu is making a stage with matchboxes.
She first puts 14 matchboxes like this in the first layer.

She makes 4 such layers and her stage looks like this.
- Which has more volume — your Math-Magic book or Tanu’s platform?
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उत्तर
The volume of the Math-Magic book is 540 cm cubes, whereas the volume of the platform is 560 cm cubes.
Thus, Tanu’s platform has more volume as compared to the Math-Magic book.
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संबंधित प्रश्न
Now make a guess. Do you think the volume of 10 five-rupee coins will be more than that of 10 marbles?
Guess the volume of these:

- A ball is nearly _________ marbles.
- An eraser is nearly _________ marbles.
- A lemon is nearly __________ marbles.
- A pencil is nearly __________ marbles.
- A potato is nearly __________ marbles.
Now make your own measuring glass using 35 marbles.
Take a glass of water and mark the level of the water as 0. Then put in 5 marbles and mark the level of the water as 5 M.
Again drop 5 marbles and mark the level of the water as 10 M. Likewise make the markings for 15 M, 20 M, 25 M, 30 M, and 35 M.
Now put each thing in the measuring glass and check your guess.
Try with different things like a matchbox, a stone, etc., and fill the table.
| Name of the thing | Its volume (nearly how many marbles?) |
Guess how many litres of water your body will push up?!
Make deep drawings of the platforms you have made
Use your measuring bottle to find out:
- What is the volume of 16 one-rupee coins? _________ mL.
Use your measuring bottle to find out:
- The volume of 24 marbles is _________ mL.
Use your measuring bottle to find out:
Mollie puts some five-rupee coins in the measuring bottle. How many coins has she put in it:
- if 30 mL water is pushed up?
- if 60 mL water is pushed up?
Guess the volume of these things in cm cubes.
- An eraser is about __________ cm cubes.
Tanu is making a stage with matchboxes.
She first puts 14 matchboxes like this in the first layer.

She makes 4 such layers and her stage looks like this.
- If all these cubes are arranged in a line, how long will that line be? _________ cm.
Mohan arranged his matchboxes like this.

- How many matchboxes did he use to make it? What is its volume in matchboxes? ________ matchboxes.
