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Question
Use your measuring bottle to find out:
- The volume of 32 one-rupee coins? _________ mL.
Solution
The volume of 32 one-rupee coins is 36 mL.
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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?!
A stage (platform) is made with 5 Math-Magic books. The volume of this stage is the same as ______ cm cubes.
Guess the volume of these things in cm cubes.
- A matchbox is about __________ cm cubes.
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.
- Which has more volume — your Math-Magic book or Tanu’s platform?
Hey, my math-magic book is about ___ cm long. So______ cubes will fit along its length.
And it is about ______ cm wide. So ______ cubes will fit along the width.
So total ______ cm cubes will fit n the Math-Magic book.
