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6TH GRADE || KNOWING OUR NUMBERS || LARGE NUMBERS

Larger numbers
  • Introduction to larger numbers
  • How to write large numbers - Introduction to comma system.

    Example :

    9,99,999 + 1 = 1000000 ( It is ten lakh )

    Similarly, the greatest 7 digit number gives us the smallest 8 digit number.
    99,99,999 + 1 = 10000000 ( It is one crore )

    Pattern or sequence of numbers :

    9+1=10
    99+1=100
    999+1=1000
    9,999+1=10000
    99,999+1=100000
    9,99,999+1=1000000
    99,99,999+1=10000000

    Indian system to numeration :

    Values of the place in the Indian system of numeration are one's,ten's,hundred's, thousand's,ten thousand's,lakh,ten lakh,crore and so on.....

    Following place value chart can be used to identify the digit in any place in the Indian system.

    PeriodsCroresLakhsThousandsOnes
    PlacesTensOnesTensOnesTensOnesHundredTensOnes

    International system of numeration:

    Values of the places in international system of numeration are one's,ten's, hundred's,thousand's,ten thousand's,hundred thousand's,millions,ten million and so on....

    1 million = 1000 thousands
    1 billion = 1000 millions

    Following place value chart can be used to identify the digit in any place in the international system.

    PeriodsBillionsMillionThousandOnes
    PlacesHundredTensOnesHundredTensOnesHundredTensOnesHundredTensOnes

    Comparison of the Indian and international system of numeration:

    Indian
    numeration
    CroreTen LakhsLakhTen thousandThousandHundredTensOnes
    Numbers100000001000000100000100001000100100
    International
    numeration
    Ten
    millions
    MillionHundred
    Thousands
    Ten
    Thousands
    ThousandHundredTensOnes

 

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