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Numbers and place values

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  • 1. Numbers and Place values
    Mathematics
    1º ESO
    IES Granadilla de Abona
  • 2. The Whole numbers are the “counting numbers” when 0 is included.
    0, 1, 2, 3, 4, 5, 6, 7, …
    The numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9have one digit and the numbers 10, 11, 12, 13, … have two digits.
    The Whole numbers
  • 3. Whole numbers are made up from units, tens, hundreds, thousands and so on.
    For example:
    3.759.238
    Place value
    Observe that in Spain we use the decimal point every three digits, while in England they use a comma:
    3,759,238
    MILLIONS
    HUNDRED THOUSANDS
    TEN THOUSANDS
    THOUSANDS
    HUNDREDS
    TENS
    UNITS
  • 4. 2.457.987
    Can you read this number?
    two million four hundred and fifty-seven thousand nine hundred and eighty-six.
    How many digits does it have?
    It has seven digits.
    What number is in the tens place?
    What number is in the ten thousands place?
    What number is in the hundreds place?
    Let’s practise
    8
    5
    9
  • 5. 589.345
    Can you read this number?
    Five hundred and eighty –nine thousand three hundred and forty-five.
    How many digits does it have?
    It has six digits.
    What number is in the tens place?
    What number is in the thousands place?
    What number is in the units place?
    More practise!
    4
    9
    5
  • 6. WELL DONE!