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Question
Activity 2
Some Class III children have marked a 1 metre height on the wall of their class.
You can also mark 1 metre on your class wall.
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Solution
Do it yourself.
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RELATED QUESTIONS
Try This.
Draw another hair of double the length.

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
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 -
How many centimeters more should Chandra Pal jump to equal the Men's World Record for the high jump?
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 -
How many centimeters higher should Bobby A. jump to reach 2 meters?
[Remember that 1m = 100 cm
Half metre = ?]
The Qutab Minar is 72 meters high.

- About how many meters high is your classroom?
- Guess how many rooms, one on top of the other, will be equal to the Qutab Minar.
- Explain how you made a guess.
Guess and Find Out
How long is the thread in a reel?
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 |
Can you draw a road shorter than these? What is the length of that road?
Which of these will be in centimeters and which will be in meters?
Depth of a well
