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Numbers and place values

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    Numbers and place values Numbers and place values Presentation Transcript

    • Numbers and Place values
      Mathematics
      1º ESO
      IES Granadilla de Abona
    • 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
    • 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
    • 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
    • 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
    • WELL DONE!