Rounding Off Numbers


Knowing Our Numbers II - Concepts
Class - Navodaya Entrance 6th Subjects
 
 
Concept Explanation
 

Rounding Off Numbers

Rounding off Numbers:

Rounding means making a number simpler but keeping its value close to what it was. The result is less accurate, but easier to use.

Example: 73 rounded to the nearest ten is 70, because 73 is closer to 70 than to 80.

Example: Round 86 to the nearest 10

  • We want to keep the "8"
  • The next digit is "6" which is 5 or more, so increase the "8" by 1 to "9"
  • Answer: 90

    (86 gets "rounded up")

    Sample Questions
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    Question : 1

    The greatest number which on rounding off the nearest thousands gives 6000 , is :

    Right Option : B
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    Explanation
    Question : 2

    When 1787 is rounded off the nearest tens, we get ________________

    Right Option : A
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    Explanation
    Question : 3

    The number 35769 rounded off to the nearest hundred is __________ .

    Right Option : C
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    Explanation
     
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