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प्रश्न
- Guess the distance between any two dots. How many centimetres is it? Now measure it with the help of a scale. Did you guess right?
- Which two dots do you think are farthest from each other? Check your answer.
- Which two dots are nearest to each other? Check your answer.
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उत्तर
(1) The guess distance between any two dots are:
| A to B = 3 cm | A to C = 3 cm | A to D = 4.5 cm | A to E = 3.5 cm | A to F = 4.5 cm | A to G = 5 cm |
| B to C = 5 cm | B to D = 2 cm | B to E = 5 cm | B to F = 7.5 cm | B to G = 3 cm | B to H = 7 cm |
| C to D = 7 cm | C to E = 5.5 cm | C to F = 2.5 cm | C to G = 8 cm | C to H = 5 cm | C to I = 4.5 cm |
(2) Dots M and O are farthest from each other. The distance between M and O is 10
cm.
(3) The dots D and O are nearest to each other. The distance between D and O is 1 cm.
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संबंधित प्रश्न
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| Sports | World Record | Indian Record |
| High Jump (Men) | Javier S. (2m 45 cm) | Chandra Pal (2m 17 cm) |
| Long Jump (Men) | Mike P. (8m 95 cm) | Amrit Pal (8m 8 cm) |
| High Jump (Women) | Stefka K. (2m 9 cm) | Bobby A. (1m 91 cm) |
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Find out from the table -
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Guess and Find Out
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- Take a metre rod and a rope.
- Make a knot at one end of the rope.
- Keep the metre rod with the rope.
- Mark 1 metre on the rope and make a knot there.
- Now the length between the two knots is 1 metre. This is your metre-rope.
If you don't get a metre rod use a measuring-tape and mark 100 centimetres on the rope. 100 centimetres are equal to a metre, so you get the metre-rope.
Activity 1
- Find some things that look 1 metre long.
- Use your metre-rope to find which of these things are more or less than 1 metre.
| Name of the thing | More than 1 metre | Less than 1 metre |
| Length of table | - | - |
| Width of table | - | - |
| Width of door | - | - |
| Length of door | - | - |
| - | - | |
| - | - | |
| - | - |
Which of these will be in centimetres and which will be in metres?
Width of computer screen
Which of these will be in centimetres and which will be in metres?
Height of a 1-year old child
Which of these will be in centimeters and which will be in meters?
Depth of a well
