English

What is Dinesh’s height in metres? _____ m _____ cm.

Advertisements
Advertisements

Question

What is Dinesh’s height in metres? _____ m _____ cm.

Fill in the Blanks
Advertisements

Solution

  • it is given that
    = 2 m - 45 m
  • we can write it as
    = 200 cm - 45 cm
  • on further calculation
    = 155 cm
    = 1 m 55 cm.
shaalaa.com
  Is there an error in this question or solution?
Chapter 10: Tenths and Hundredths - Tenths and Hundredths [Page 142]

APPEARS IN

NCERT Math - Magic [English] Class 5
Chapter 10 Tenths and Hundredths
Tenths and Hundredths | Q B) | Page 142

RELATED QUESTIONS

The farthest objects in our Universe discovered by modern astronomers are so distant that light emitted by them takes billions of years to reach the Earth. These objects (known as quasars) have many puzzling features, which have not yet been satisfactorily explained. What is the distance in km of a quasar from which light takes 3.0 billion years to reach us?


The nearest star to our solar system is 4.29 light years away. How much is this distance in terms of parsecs? How much parallax would this star (named Alpha Centauri) show when viewed from two locations of the Earth six months apart in its orbit around the Sun?


Solve the numerical example.

When the planet Jupiter is at a distance of 824.7 million kilometers from the Earth, its angular diameter is measured to be 35.72'' of arc. Calculate the diameter of Jupiter.


A hand span is a reliable measure of length.


Find the answer for the following questions within the grid.

  1. 10-3 is one ______
  2. SI Unit of time is ______
  3. Cross view of reading a measurement leads to ______
  4. ______ is the one what a clock reads.
  5. ______ is the amount of substance present in an object.
  6. ______ can be taken to get the final reading of the recordings of different students for a single measurement.
  7. ______ is a fundamental quantity.
  8. ______ shows the distance covered by an automobile
  9. A tailor uses ______ to take measurements to stitch the cloth.
  10. Liquids are measured with this physical quantity.

What is the length of a 100 rupee note? Guess. Now measure it using a scale.


Now guess the length and width of many other things. Measure and find the difference between your measure and your guess.

Size of Your guess in cm Your measure in cm
  Length Width Length Width
100 Rupee note        
10 Rupee note        
20 Rupee note        
5 Rupee note        
Post card        
Math-Magic book        

Now cut strips of equal sizes out of it. Using tape join the strips, end to end, to make a belt.

How long is your belt? _________


Can you think of how to cut a postcard so that you can pass through it?


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!

  • How many of you can sit in one square meter?

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 A?

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.

  • A longer boundary around the lake will help more birds to lay their eggs. So which lake should be kept for birds? Which lake should be used for boats?

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?


What is the unit of length?


Length is ______.


To measure the distance of a planet from the earth, ______ method is used.


The radius of atom is of the order of 1 Å and the radius of nucleus is of the order of fermi. How many magnitudes higher is the volume of atom as compared to the volume of nucleus?


Consider a sunlike star at a distance of 2 parsecs. When it is seen through a telescope with 100 magnification, what should be the angular size of the star? Sun appears to be (1/2)° from the earth. Due to atmospheric fluctuations, eye can’t resolve objects smaller than 1 arc minute.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×