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प्रश्न
Think - How will you know the number of centimetres if you measure with a rope, shoe-string, thread etc.?
| My measurement | My friend's measurement | |
| Nose | ______ centimetres | ______ centimetres |
| Around the wrist | ______ centimetres | ______ centimetres |
| Around the head | ______ centimetres | ______ centimetres |
| Ear | ______ centimetres | ______ centimetres |
| Hand (tip of middle finger to wrist) | ______ centimetres | ______ centimetres |
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उत्तर
This can be done by first measuring with a rope, shoe string, thread, etc. and then comparing with the scale.
| My measurement | My friend's measurement | |
| Nose | 3 centimetres | 3 centimetres |
| Around the wrist | 12 centimetres | 11 centimetres |
| Around the head | 36 centimetres | 35 centimetres |
| Ear | 5 centimetres | 5 centimetres |
| Hand (tip of middle finger to wrist) | 12 centimetres | 11 centimetres |
APPEARS IN
संबंधित प्रश्न
The Long and Short of Your Family!
- Who is the tallest in your family? _____
- Who is the shortest in your family? _____
- What is the difference between their heights? _____
Have you heard about marathon races in which people have to run about 40 kilometres? People run marathons on roads because the track of a stadium is only 400 metres.
10 rounds of a stadium track = _____ km
Have you heard about marathon races in which people have to run about 40 kilometres? People run marathons on roads because the track of a stadium is only 400 metres.
So, if you run a marathon on a stadium track, you will have to complete ______ rounds!
This is the long jump for boys.
Dhanu has the longest jump of 3 metres 40 cm. Gurjeet is second. His jump is 20 cm less than Dhanu's. Gopi comes third. His jump is only 5 cm less than Gurjeet's jump.
- How long are Gurjeet's and Gopi's jumps?
- Try and see how far you can jump.
- How far can you throw a ball?
- Look for a big ball, like a football or volleyball. How far can you kick it?
Here are the Indian Records and World Records for some jumps.
| 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) |
| Long Jump (Women) | Galina C. (7m 52 cm) | Anju G. (6m 83 cm) |
Find out from the table -
Whose high jump is very close to two and a half meters?
How many cups can be placed in a line on this table?
Compare your measurement with your friends.
- Who has the biggest head and who has the smallest head?
- Who has the longest hand (from middle finger to wrist)?
- Which is longer? Your ear or your nose?
- Is any of your nails more than 1 centimetre long?
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 | - | - |
| - | - | |
| - | - | |
| - | - |
Now make a chart of the heights of your friends. To measure the centimetres, you can use your small scale.
| Name | Taller/Shorter/Equal to 1 metre | How many centimetres more or less than a metre |
| Shambhu | Taller | 4 centimetres |
| ______ | ______ | ______ |
| ______ | ______ | ______ |
| ______ | ______ | ______ |
| ______ | ______ | ______ |
Which of these will be in centimetres and which will be in metres?
Width of computer screen
