हिंदी

Which line is longer? C or D ? Measure each line. How good is your guess?

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प्रश्न

Which line is longer? C or D? Measure each line. How good is your guess?

योग
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उत्तर

I think both lines C and D are of the same measurement.

With the help of a ruler, we get the measurement of 3.2 cm for both lines.

So, our guess was correct.

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अध्याय 10: Tenths and Hundredths - Tenths and Hundredths [पृष्ठ १३७]

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एनसीईआरटी Math - Magic [English] Class 5
अध्याय 10 Tenths and Hundredths
Tenths and Hundredths | Q 4.2 | पृष्ठ १३७

संबंधित प्रश्न

What are the S.I. units of

  1.  mass
  2.  length
  3.  time and
  4.  temperature.

Write their names and symbols.


Fill in the blank.

In the ............ system, length is measured in centimetres.


Exercise


500 gm = ______ kilogram.


Complete the analogy.

Height of a person: cm :: Length of your sharpened pencil lead:______?


Assertion (A): Distance between two celestial bodies is measured in terms of light year.

Reason (R): The distance travelled by the light in one year is one light year.


Guess the lengths to draw these things. Ask your friend to draw the same. After you make the drawing use a scale to measure the length. Whose drawing showed a better guess?

Guess its length
and draw
Measure of
your drawing
Measure of your
friend’s drawing
An ant of length
less than 1 cm
   
Pencil of length
about 7 cm
   
A glass 11 cm high with
water up to 5 cm
   
A bangle of perimeter
20 cm
   
A curly hair of length
16 cm
   

How many stamps are needed to cover the rectangle?


How close was your earlier guess? Discuss.


You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!

  • Which team could make more children stand in their square? How many?

You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!

  • Which team could make more children sit in their square? How many?

There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.

  • How many kilometers long is the actual boundary of lake B?

What formula is used to measure the area of your classroom?


Match the following:

  Prefix   Symbol
a. Centi i. k
b. Nano ii. c
c. Mili iii. n
d. Kilo iv. m

What is the unit of measurements of very small lengths?


The distance between one end and the other end is called ______.


Yard was used as the unit of length.


Mars has approximately half of the earth’s diameter. When it is closest to the earth it is at about 1/2 A.U. from the earth. Calculate what size it will appear when seen through the same telescope.


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