Rounding Off Numbers


Knowing Our Numbers II - Concepts
Class - 6th CBSE 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
    (More Questions for each concept available in Login)
    Question : 1

    Check that the following round off numbers to the nearest hundred are correct or not :

    1. 841 - 800

    2. 168 - 200

    3. 9870 - 9800

    4. 5750 - 5800

    Right Option : C
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    Explanation
    Question : 2

    Round 889 nearest to hundred.

    Right Option : B
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    Explanation
    Question : 3

    Which of the following is/are correct ?

    (a) 86 rounded  to the nearest ten is 80.

    (b) 54 rounded to the nearest ten is 50.

    (c) 63 rounded  to the nearest ten is 60.

    Right Option : B
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    Explanation
     
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