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प्रश्न
Guess the volume of these things in cm cubes.
- An eraser is about __________ cm cubes.
उत्तर
Length = 2 cm
Breadth = 1 cm
And height = 1 cm
Volume = length x breadth x height
= 2 x 1 x 1
= 2 cm cubes.
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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?) |
First guess and then use your measuring bottle to find out the volume in mL of some other things.
| Thing | Its volume (in mL) |
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.
- She used ________ matchboxes to make this stage.
Make deep drawings of the platforms you have made
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.
- The volume of one matchbox is the same as 10 cm cubes. Then the volume of this stage is the same as ________ 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.
Hey, my math-magic book is about ___ cm long. So______ cubes will fit along its length.
Now if all these cubes are arranged in one line then how long will that line be?______cm
