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Decimal Review

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Transcript

  • 1.  
  • 2.
    • A decimal is a fractional number and is indicated by digits after a period which is called a decimal point.
  • 3.
    • Line up the decimals.
    • Fill in the empty spaces with zeroes.
    • Compare from the left.
  • 4.
    • Find the rounding place.
    • Look to the right of the rounding place.
    • If the number is five or greater, round up.
    • If the number is less than five, your rounding place stays the same.
    • Numbers behind the rounding place turn to zeroes in FRONT of the decimal.
    • Numbers behind the rounding place fall into the water BEHIND the decimal
  • 5.
    • Line up the decimal points.
    • Fill in any empty spaces with zeroes.
    • Add or subtract like you would whole numbers.
    • Bring the decimal point down.
  • 6.
    • Line up the numbers.
    • Count the number of digits behind a decimal point
    • Multiply the numbers like you would whole numbers
    • Put the decimal at the end of the answer and move it the number of places you counted in step two.
  • 7.
    • Move the decimal to the end of the outside number.
    • Move the decimal the same number of places on the inside number.
    • Put the decimal on the roof.
    • Divide like you would with whole numbers.
    • If you have a remainder, add zeroes behind the decimal and continue dividing.
  • 8.  
  • 9.