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How Much is a Centimetre (cm)?

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Question

The matchstick is 4 centimetres long.

The die is 1 centimetre from every side.

The lizard is 13 centimetres long.

  1. The leaf is ______ centimetres long.
  2. The wax colour is ______ centimetres long.
  3. Now, look at a scale that you find in a geometry box. How many centimetres does it have? ______
One Line Answer
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Solution

  1. The leaf is 4 centimetres long.
  2. The wax colour is 7 centimetres long. 
  3. 15
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Long and Short
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Chapter 4: Long and Short - How Much is a Centimetre (cm)? [Page 48]

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NCERT Math - Magic [English] Class 3
Chapter 4 Long and Short
How Much is a Centimetre (cm)? | Q 1 | Page 48

RELATED QUESTIONS

  1. 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?
  2. Which two dots do you think are farthest from each other? Check your answer.
  3. Which two dots are nearest to each other? Check your answer.

Try This.

Draw a cup 1 cm shorter than this cup.


Imagine-

  1. Could that person pass through the door of your classroom without bending?
  2. Will his head touch the roof of your house if he stands straight?

This is a 100 metre race for girls. Arundhati is nearest the finishing line. She is about 6 metres from it.

Behind her is Rehana. Konkana and Uma are running behind Rehana. Look at the picture. To answer the question below:

How far are Konkana and Uma from the finishing line?


Try to find out:

How high can a kite go? Can it go higher than the Qutab Minar?


In how many steps will Dorji cross the road?


Look for things that are less than 1 cm long.


Compare your measurement with your friends.

  1. Who has the biggest head and who has the smallest head?
  2. Who has the longest hand (from middle finger to wrist)?
  3. Which is longer? Your ear or your nose?
  4. 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  - -
  - -
  - -
  - -

Draw lines to match each picture with how long it can be.

Length of an earthworm

2 kilometres

Height of a child

5 metres

Width of a finger nail

10 centimetres

Length of a Sari

1 centimetre

Distance from home to school

1 metre

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